7335( 5) - 02/09/99 15:59 - [ 1] PROPOSAL FOR HUBBLE SPACE TELESCOPE OBSERVATIONS ST ScI Use Only ID: 7335 Version: 5 Check-in Date: 09-Feb-1999 15:57:41 1.Proposal Title: Deep Survey for CVs and Compact Binaries in the Collapsed Core Cluster NGC6397 ------------------------------------------------------------------------------------ 2. Proposal For 3. Cycle GO 7 ------------------------------------------------------------------------------------ 4. Investigators Contact? PI: Jonathan Grindlay Harvard Smithsonian Center for Astrophysics CoI: Adrienne Cool San Francisco State University N CoI: Charles Bailyn Yale University N CoI: Haldan Cohn Indiana University N CoI: Phyllis Lugger Indiana University N ------------------------------------------------------------------------------------ 5. Abstract The ultimate test for the total number and characteristics of cataclysmic variables (CVs) and compact binaries in the core of a globular cluster can best be conducted on the closest collapsed core cluster, NGC 6397. We propose to use our proven successful method of deep H Alpha (F656N) and R (F675W) imaging with WFPC2 to identify essentially all CV candidates down to M_V ~ 12. This extends our WFPC1 discovery of emission line candidates in NGC6397, confirmed as CVs with FOS spectra, to virtually the entire CV luminosity function including the faintest magnetic systems which our FOS results suggest may be dominant in globulars. With interwoven V and I frames, we shall also constrain the CV disk vs. secondary star colors and thus masses of the secondary star and WD (lower limit), allow for short-term variability searches, and constrain the (primordial) main sequence binary population for direct comparison with other clusters (e.g. NGC 6752). Comparison with our deep ROSAT HRI image will identify still fainter dim x-ray sources as well as provide the optical identification data for our planned GTO observations of NGC 6397 with AXAF. ------------------------------------------------------------------------------------ 7335( 5) - 02/09/99 15:59 - [ 2] Observations Description ------------------------ We are using the F555W (V), F675W (R), F814W (I), and F656N (HAlpha) filters to image the central regions of the globular cluster NGC 6397. The bulk of the observing time will be devoted to imaging with the HAlpha filter, as the primary aim of the program is to identify HAlpha excess stars in the cluster, and this narrow-band filter is by far the least efficient of the four. Sufficient R exposure will be obtained to insure that the combined R image from the complete data set will reach stars at least 1 mag fainter than in the combined HAlpha image. The total V and I exposure will be comparable, but somewhat less, than the R exposure. All the exposures must be taken at approximately the same position and orientation that were used in as a previous WFPC2 observation of the cluster (GO-5929). That data set contains a large amount of U and B data (11 orbits) that will provide vital information on the U and B colors of HAlpha-bright stars that are the primary target of the present program. The RA and Dec specified here for PC1-FIX are identical to those specified in the 5929 program, and the ORIENT (the position of the U3 axis) we have specified is 266.9 +/- 2.5 deg, in order to match the 5929 image orientation, for which PA_V3 = 86.94 deg. The narrow range of possible orientations (+/- 2 deg) is due in part to the need for maximal overlap, but also to insure that an X-ray source that is covered by the corner of the PC1 chip in the 5929 program will also be covered in the present program. The 15 orbits are divided into 2 visits due to constraints imposed by the SAA. Both visits must be done with the same WFPC2 orientation, as the goal is to detect the faintest possible stars from the full 15-orbit data set. In each of the 15 orbits we will take a CR-split F656N exposure of approximatety 1800s-2000s. The CR-splitting will allow us to identify and remove the majority of cosmic rays in a given pair of HAlpha images. The remaining CRs will be identified by comparing to HAlpha exposures taken in other orbits (which are not at integral pixel offsets--see below). In 11 of the orbits, the remainder of the available time will be used for 2x40s V, 2x40s I, and 3x40s R exposures. The 40s exposure time is a compromise between the need to limit saturation of bright stars and the need to maximize observing efficiency. Slightly more total exposure time will be devoted to R than to V and I because it provides the key comparison to the HAlpha data. In 3 of the orbits, we will take shorter V, R, or I exposures (2x1s, 2x8s) together with 2 or 3 40s images in one of the filters. The 1s and 8s exposures will be used to correct for saturation in the 40s exposures taken in the same orbit. PSFs will be constructed from these saturation-corrected images. In 1 orbit we will obtain 2 medium-length HAlpha exposures (140s) which will similarly be used for correcting saturation and constructing PSFs. The order in which exposures in the various filters are taken in each orbit have been varied in order to minimize aliasing in studies of possible variable stars in the cluster. The exposures in each orbit will be taken at slightly different positions, in a 4x4 dither pattern. The starting position is specified using POS TARG +1.0,-4.0. This will insure that the error circle of a known X-ray source ("source B") (with newly revised coordinates) will land within the PC1 field of view (in the upper left corner, at low x, high y pixel values). The varying positions for subsequent orbits are specified using the POS TARG special requirement, and are in a direction (+x, -y) that will help to increase coverage of the X-ray source near the corner of PC1. POS TARG is executed between orbits and so does not cost observing time. The POS TARG shifts have been chosen to provide non-integral shifts in both the WF and PC chips. In particular, we choose 0.125", 0.250", and 0.375" shifts, which produces roughly 1.25, 2.50, and 3.75 pix shifts in the WFs and 2.74, 5.49, and 8.23 pix shifts in the PC1. The order of the dither pattern produces full quarter-pixel sampling in both x and y during each visit. This ensures that each visit will independently have good subpixel sampling. Thus, we do not asume that subsequent visits will align with subpixel accuracy. Real Time Justification ----------------------- Calibration Justification ------------------------- Additional Comments ------------------- ------------------------------------------------------------------------------------ 7335( 5) - 02/09/99 15:59 - [ 3] Data Distribution Paper Products: Media: ELECTRONIC Blocking Factor: 10 Ship To: PI_Address Ship Via: Email: ------------------------------------------------------------------------------------ 7335( 5) - 02/09/99 15:59 - [ 4] TARGET LIST a) Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC6397 STELLAR CLUSTER RA=17H 40M 42.17S +/- 0.5", DEC= 2000 V = 5.25 -53D 40' 23.7" +/- 0.5" B-V = 0.73 E(B-V) = 0.18 SURF(V) = 13.45 Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2000.0 0.0 0.0 0 7335( 5) - 02/09/99 15:59 - [ 5] Visit: 01 Visit Priority: Visit Requirements: ORIENT 264.4D TO 269.4D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 11 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.0000, -4.0000 ------------------------------------------------------------------------------------------------------------------------------------ 12 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.0000, -4.0000 ------------------------------------------------------------------------------------------------------------------------------------ 13 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.0000, -4.0000 ------------------------------------------------------------------------------------------------------------------------------------ 14 NGC6397 WFPC2 IMAGE PC1-FIX F656N CR-SPLIT=NO ,ATD-GAIN=7 1 140 S POS TARG +1.0000, -4.0000 ------------------------------------------------------------------------------------------------------------------------------------ 15 NGC6397 WFPC2 IMAGE PC1-FIX F656N CR-SPLIT=NO ,ATD-GAIN=7 1 140 S POS TARG +1.0000, -4.0000 ------------------------------------------------------------------------------------------------------------------------------------ 16 NGC6397 WFPC2 IMAGE PC1-FIX F656N ATD-GAIN=7 ,CR-TOLERANCE=1 1 1600 S POS TARG +1.0000, -4.0000 EXPAND MIN DUR 1600S MAX DUR 3000S END ORBIT ------------------------------------------------------------------------------------------------------------------------------------ 21 NGC6397 WFPC2 IMAGE PC1-FIX F656N ATD-GAIN=7 ,CR-TOLERANCE=1 1 1800 S POS TARG +1.2500, -4.2500 EXPAND MIN DUR 1600S MAX DUR 3000S ------------------------------------------------------------------------------------------------------------------------------------ 22 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 1 S POS TARG +1.2500, -4.2500 ------------------------------------------------------------------------------------------------------------------------------------ 23 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 8 S POS TARG +1.2500, -4.2500 ------------------------------------------------------------------------------------------------------------------------------------ 24 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.2500, -4.2500 ------------------------------------------------------------------------------------------------------------------------------------ 25 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 1 S POS TARG +1.2500, -4.2500 ------------------------------------------------------------------------------------------------------------------------------------ 26 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 8 S POS TARG +1.2500, -4.2500 ------------------------------------------------------------------------------------------------------------------------------------ 27 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.2500, -4.2500 ------------------------------------------------------------------------------------------------------------------------------------ 31 NGC6397 WFPC2 IMAGE PC1-FIX F555W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.3750, -4.1250 ------------------------------------------------------------------------------------------------------------------------------------ 32 NGC6397 WFPC2 IMAGE PC1-FIX F555W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.3750, -4.1250 ------------------------------------------------------------------------------------------------------------------------------------ 33 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.3750, -4.1250 ------------------------------------------------------------------------------------------------------------------------------------ 34 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.3750, -4.1250 ------------------------------------------------------------------------------------------------------------------------------------ 35 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.3750, -4.1250 ------------------------------------------------------------------------------------------------------------------------------------ 36 NGC6397 WFPC2 IMAGE PC1-FIX F814W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.3750, -4.1250 ------------------------------------------------------------------------------------------------------------------------------------ 37 NGC6397 WFPC2 IMAGE PC1-FIX F814W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.3750, -4.1250 ------------------------------------------------------------------------------------------------------------------------------------ 7335( 5) - 02/09/99 15:59 - [ 6] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 38 NGC6397 WFPC2 IMAGE PC1-FIX F656N ATD-GAIN=7 ,CR-TOLERANCE=1 1 1600 S POS TARG +1.3750, -4.1250 EXPAND MIN DUR 1400S MAX DUR 2000S END ORBIT ------------------------------------------------------------------------------------------------------------------------------------ 41 NGC6397 WFPC2 IMAGE PC1-FIX F814W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.1250, -4.3750 ------------------------------------------------------------------------------------------------------------------------------------ 42 NGC6397 WFPC2 IMAGE PC1-FIX F814W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.1250, -4.3750 ------------------------------------------------------------------------------------------------------------------------------------ 43 NGC6397 WFPC2 IMAGE PC1-FIX F555W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.1250, -4.3750 ------------------------------------------------------------------------------------------------------------------------------------ 44 NGC6397 WFPC2 IMAGE PC1-FIX F555W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.1250, -4.3750 ------------------------------------------------------------------------------------------------------------------------------------ 45 NGC6397 WFPC2 IMAGE PC1-FIX F656N ATD-GAIN=7 ,CR-TOLERANCE=1 1 1400 S POS TARG +1.1250, -4.3750 EXPAND MIN DUR 1200S MAX DUR 1800S ------------------------------------------------------------------------------------------------------------------------------------ 46 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.1250, -4.3750 ------------------------------------------------------------------------------------------------------------------------------------ 47 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.1250, -4.3750 ------------------------------------------------------------------------------------------------------------------------------------ 48 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.1250, -4.3750 END ORBIT ------------------------------------------------------------------------------------------------------------------------------------ 7335( 5) - 02/09/99 15:59 - [ 7] Visit: 02 Visit Priority: Visit Requirements: SAME ORIENT AS 1 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 51 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.1250, -4.0000 ------------------------------------------------------------------------------------------------------------------------------------ 52 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.1250, -4.0000 ------------------------------------------------------------------------------------------------------------------------------------ 53 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.1250, -4.0000 ------------------------------------------------------------------------------------------------------------------------------------ 54 NGC6397 WFPC2 IMAGE PC1-FIX F555W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.1250, -4.0000 ------------------------------------------------------------------------------------------------------------------------------------ 55 NGC6397 WFPC2 IMAGE PC1-FIX F555W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.1250, -4.0000 ------------------------------------------------------------------------------------------------------------------------------------ 56 NGC6397 WFPC2 IMAGE PC1-FIX F814W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.1250, -4.0000 ------------------------------------------------------------------------------------------------------------------------------------ 57 NGC6397 WFPC2 IMAGE PC1-FIX F814W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.1250, -4.0000 ------------------------------------------------------------------------------------------------------------------------------------ 58 NGC6397 WFPC2 IMAGE PC1-FIX F656N ATD-GAIN=7 ,CR-TOLERANCE=1 1 1400 S POS TARG +1.1250, -4.0000 EXPAND MIN DUR 1200S MAX DUR 1800S END ORBIT ------------------------------------------------------------------------------------------------------------------------------------ 61 NGC6397 WFPC2 IMAGE PC1-FIX F656N ATD-GAIN=7 ,CR-TOLERANCE=1 1 1800 S POS TARG +1.0000, -4.1250 EXPAND MIN DUR 1600S MAX DUR 2000S ------------------------------------------------------------------------------------------------------------------------------------ 62 NGC6397 WFPC2 IMAGE PC1-FIX F555W CR-SPLIT=NO ,ATD-GAIN=7 1 1 S POS TARG +1.0000, -4.1250 ------------------------------------------------------------------------------------------------------------------------------------ 63 NGC6397 WFPC2 IMAGE PC1-FIX F555W CR-SPLIT=NO ,ATD-GAIN=7 1 8 S POS TARG +1.0000, -4.1250 ------------------------------------------------------------------------------------------------------------------------------------ 64 NGC6397 WFPC2 IMAGE PC1-FIX F555W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.0000, -4.1250 ------------------------------------------------------------------------------------------------------------------------------------ 65 NGC6397 WFPC2 IMAGE PC1-FIX F555W CR-SPLIT=NO ,ATD-GAIN=7 1 1 S POS TARG +1.0000, -4.1250 ------------------------------------------------------------------------------------------------------------------------------------ 66 NGC6397 WFPC2 IMAGE PC1-FIX F555W CR-SPLIT=NO ,ATD-GAIN=7 1 8 S POS TARG +1.0000, -4.1250 ------------------------------------------------------------------------------------------------------------------------------------ 67 NGC6397 WFPC2 IMAGE PC1-FIX F555W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.0000, -4.1250 END ORBIT ------------------------------------------------------------------------------------------------------------------------------------ 71 NGC6397 WFPC2 IMAGE PC1-FIX F555W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.3750, -4.2500 ------------------------------------------------------------------------------------------------------------------------------------ 72 NGC6397 WFPC2 IMAGE PC1-FIX F555W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.3750, -4.2500 ------------------------------------------------------------------------------------------------------------------------------------ 73 NGC6397 WFPC2 IMAGE PC1-FIX F814W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.3750, -4.2500 ------------------------------------------------------------------------------------------------------------------------------------ 74 NGC6397 WFPC2 IMAGE PC1-FIX F814W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.3750, -4.2500 ------------------------------------------------------------------------------------------------------------------------------------ 75 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.3750, -4.2500 ------------------------------------------------------------------------------------------------------------------------------------ 7335( 5) - 02/09/99 15:59 - [ 8] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 76 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.3750, -4.2500 ------------------------------------------------------------------------------------------------------------------------------------ 77 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.3750, -4.2500 ------------------------------------------------------------------------------------------------------------------------------------ 78 NGC6397 WFPC2 IMAGE PC1-FIX F656N ATD-GAIN=7 ,CR-TOLERANCE=1 1 1600 S POS TARG +1.3750, -4.2500 EXPAND MIN DUR 1400S MAX DUR 2000S END ORBIT ------------------------------------------------------------------------------------------------------------------------------------ 81 NGC6397 WFPC2 IMAGE PC1-FIX F814W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.2500, -4.3750 ------------------------------------------------------------------------------------------------------------------------------------ 82 NGC6397 WFPC2 IMAGE PC1-FIX F814W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.2500, -4.3750 ------------------------------------------------------------------------------------------------------------------------------------ 83 NGC6397 WFPC2 IMAGE PC1-FIX F555W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.2500, -4.3750 ------------------------------------------------------------------------------------------------------------------------------------ 84 NGC6397 WFPC2 IMAGE PC1-FIX F555W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.2500, -4.3750 ------------------------------------------------------------------------------------------------------------------------------------ 85 NGC6397 WFPC2 IMAGE PC1-FIX F656N ATD-GAIN=7 ,CR-TOLERANCE=1 1 1400 S POS TARG +1.2500, -4.3750 EXPAND MIN DUR 1200S MAX DUR 1800S ------------------------------------------------------------------------------------------------------------------------------------ 86 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.2500, -4.3750 ------------------------------------------------------------------------------------------------------------------------------------ 87 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.2500, -4.3750 ------------------------------------------------------------------------------------------------------------------------------------ 88 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.2500, -4.3750 END ORBIT ------------------------------------------------------------------------------------------------------------------------------------ 7335( 5) - 02/09/99 15:59 - [ 9] Visit: 03 Visit Priority: Visit Requirements: SAME ORIENT AS 1 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 91 NGC6397 WFPC2 IMAGE PC1-FIX F555W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.2500, -4.0000 ------------------------------------------------------------------------------------------------------------------------------------ 92 NGC6397 WFPC2 IMAGE PC1-FIX F555W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.2500, -4.0000 ------------------------------------------------------------------------------------------------------------------------------------ 93 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.2500, -4.0000 ------------------------------------------------------------------------------------------------------------------------------------ 94 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.2500, -4.0000 ------------------------------------------------------------------------------------------------------------------------------------ 95 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.2500, -4.0000 ------------------------------------------------------------------------------------------------------------------------------------ 96 NGC6397 WFPC2 IMAGE PC1-FIX F814W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.2500, -4.0000 ------------------------------------------------------------------------------------------------------------------------------------ 97 NGC6397 WFPC2 IMAGE PC1-FIX F814W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.2500, -4.0000 ------------------------------------------------------------------------------------------------------------------------------------ 98 NGC6397 WFPC2 IMAGE PC1-FIX F656N ATD-GAIN=7 ,CR-TOLERANCE=1 1 1400 S POS TARG +1.2500, -4.0000 EXPAND MIN DUR 1200S MAX DUR 2000S END ORBIT ------------------------------------------------------------------------------------------------------------------------------------ 101 NGC6397 WFPC2 IMAGE PC1-FIX F656N ATD-GAIN=7 ,CR-TOLERANCE=1 1 1600 S POS TARG +1.1250, -4.1250 EXPAND MIN DUR 1400S MAX DUR 2000S ------------------------------------------------------------------------------------------------------------------------------------ 102 NGC6397 WFPC2 IMAGE PC1-FIX F814W CR-SPLIT=NO ,ATD-GAIN=7 1 1 S POS TARG +1.1250, -4.1250 ------------------------------------------------------------------------------------------------------------------------------------ 103 NGC6397 WFPC2 IMAGE PC1-FIX F814W CR-SPLIT=NO ,ATD-GAIN=7 1 8 S POS TARG +1.1250, -4.1250 ------------------------------------------------------------------------------------------------------------------------------------ 104 NGC6397 WFPC2 IMAGE PC1-FIX F814W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.1250, -4.1250 ------------------------------------------------------------------------------------------------------------------------------------ 105 NGC6397 WFPC2 IMAGE PC1-FIX F814W CR-SPLIT=NO ,ATD-GAIN=7 1 1 S POS TARG +1.1250, -4.1250 ------------------------------------------------------------------------------------------------------------------------------------ 106 NGC6397 WFPC2 IMAGE PC1-FIX F814W CR-SPLIT=NO ,ATD-GAIN=7 1 8 S POS TARG +1.1250, -4.1250 ------------------------------------------------------------------------------------------------------------------------------------ 107 NGC6397 WFPC2 IMAGE PC1-FIX F814W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.1250, -4.1250 END ORBIT ------------------------------------------------------------------------------------------------------------------------------------ 111 NGC6397 WFPC2 IMAGE PC1-FIX F814W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.0000, -4.2500 ------------------------------------------------------------------------------------------------------------------------------------ 112 NGC6397 WFPC2 IMAGE PC1-FIX F814W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.0000, -4.2500 ------------------------------------------------------------------------------------------------------------------------------------ 113 NGC6397 WFPC2 IMAGE PC1-FIX F555W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.0000, -4.2500 ------------------------------------------------------------------------------------------------------------------------------------ 114 NGC6397 WFPC2 IMAGE PC1-FIX F555W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.0000, -4.2500 ------------------------------------------------------------------------------------------------------------------------------------ 115 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.0000, -4.2500 ------------------------------------------------------------------------------------------------------------------------------------ 7335( 5) - 02/09/99 15:59 - [ 10] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 116 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.0000, -4.2500 ------------------------------------------------------------------------------------------------------------------------------------ 117 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.0000, -4.2500 ------------------------------------------------------------------------------------------------------------------------------------ 118 NGC6397 WFPC2 IMAGE PC1-FIX F656N ATD-GAIN=7 ,CR-TOLERANCE=1 1 1600 S POS TARG +1.0000, -4.2500 EXPAND MIN DUR 1400S MAX DUR 2000S END ORBIT ------------------------------------------------------------------------------------------------------------------------------------ 121 NGC6397 WFPC2 IMAGE PC1-FIX F555W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.3750, -4.3750 ------------------------------------------------------------------------------------------------------------------------------------ 122 NGC6397 WFPC2 IMAGE PC1-FIX F555W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.3750, -4.3750 ------------------------------------------------------------------------------------------------------------------------------------ 123 NGC6397 WFPC2 IMAGE PC1-FIX F814W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.3750, -4.3750 ------------------------------------------------------------------------------------------------------------------------------------ 124 NGC6397 WFPC2 IMAGE PC1-FIX F814W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.3750, -4.3750 ------------------------------------------------------------------------------------------------------------------------------------ 125 NGC6397 WFPC2 IMAGE PC1-FIX F656N ATD-GAIN=7 ,CR-TOLERANCE=1 1 1400 S POS TARG +1.3750, -4.3750 EXPAND MIN DUR 1200S MAX DUR 2000S ------------------------------------------------------------------------------------------------------------------------------------ 126 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.3750, -4.3750 ------------------------------------------------------------------------------------------------------------------------------------ 127 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.3750, -4.3750 ------------------------------------------------------------------------------------------------------------------------------------ 128 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.3750, -4.3750 END ORBIT ------------------------------------------------------------------------------------------------------------------------------------ 7335( 5) - 02/09/99 15:59 - [ 11] Visit: 04 Visit Priority: Visit Requirements: SAME ORIENT AS 1 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 131 NGC6397 WFPC2 IMAGE PC1-FIX F555W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.3750, -4.0000 ------------------------------------------------------------------------------------------------------------------------------------ 132 NGC6397 WFPC2 IMAGE PC1-FIX F555W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.3750, -4.0000 ------------------------------------------------------------------------------------------------------------------------------------ 133 NGC6397 WFPC2 IMAGE PC1-FIX F814W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.3750, -4.0000 ------------------------------------------------------------------------------------------------------------------------------------ 134 NGC6397 WFPC2 IMAGE PC1-FIX F814W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.3750, -4.0000 ------------------------------------------------------------------------------------------------------------------------------------ 135 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.3750, -4.0000 ------------------------------------------------------------------------------------------------------------------------------------ 136 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.3750, -4.0000 ------------------------------------------------------------------------------------------------------------------------------------ 137 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.3750, -4.0000 ------------------------------------------------------------------------------------------------------------------------------------ 138 NGC6397 WFPC2 IMAGE PC1-FIX F656N ATD-GAIN=7 ,CR-TOLERANCE=1 1 1400 S POS TARG +1.3750, -4.0000 EXPAND MIN DUR 1200S MAX DUR 2000S END ORBIT ------------------------------------------------------------------------------------------------------------------------------------ 141 NGC6397 WFPC2 IMAGE PC1-FIX F814W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.2500, -4.1250 ------------------------------------------------------------------------------------------------------------------------------------ 142 NGC6397 WFPC2 IMAGE PC1-FIX F814W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.2500, -4.1250 ------------------------------------------------------------------------------------------------------------------------------------ 143 NGC6397 WFPC2 IMAGE PC1-FIX F555W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.2500, -4.1250 ------------------------------------------------------------------------------------------------------------------------------------ 144 NGC6397 WFPC2 IMAGE PC1-FIX F555W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.2500, -4.1250 ------------------------------------------------------------------------------------------------------------------------------------ 145 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.2500, -4.1250 ------------------------------------------------------------------------------------------------------------------------------------ 146 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.2500, -4.1250 ------------------------------------------------------------------------------------------------------------------------------------ 147 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.2500, -4.1250 ------------------------------------------------------------------------------------------------------------------------------------ 148 NGC6397 WFPC2 IMAGE PC1-FIX F656N ATD-GAIN=7 ,CR-TOLERANCE=1 1 1600 S POS TARG +1.2500, -4.1250 EXPAND MIN DUR 1400S MAX DUR 2000S END ORBIT ------------------------------------------------------------------------------------------------------------------------------------ 151 NGC6397 WFPC2 IMAGE PC1-FIX F814W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.1250, -4.2500 ------------------------------------------------------------------------------------------------------------------------------------ 152 NGC6397 WFPC2 IMAGE PC1-FIX F814W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.1250, -4.2500 ------------------------------------------------------------------------------------------------------------------------------------ 153 NGC6397 WFPC2 IMAGE PC1-FIX F555W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.1250, -4.2500 ------------------------------------------------------------------------------------------------------------------------------------ 154 NGC6397 WFPC2 IMAGE PC1-FIX F555W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.1250, -4.2500 ------------------------------------------------------------------------------------------------------------------------------------ 7335( 5) - 02/09/99 15:59 - [ 12] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 155 NGC6397 WFPC2 IMAGE PC1-FIX F656N ATD-GAIN=7 ,CR-TOLERANCE=1 1 1400 S POS TARG +1.1250, -4.2500 EXPAND MIN DUR 1200S MAX DUR 2000S ------------------------------------------------------------------------------------------------------------------------------------ 156 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.1250, -4.2500 ------------------------------------------------------------------------------------------------------------------------------------ 157 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.1250, -4.2500 ------------------------------------------------------------------------------------------------------------------------------------ 158 NGC6397 WFPC2 IMAGE PC1-FIX F675W CR-SPLIT=NO ,ATD-GAIN=7 1 40 S POS TARG +1.1250, -4.2500 END ORBIT ------------------------------------------------------------------------------------------------------------------------------------ 7335( 5) - 02/09/99 15:59 - [ 13] Summary Form for Proposal 7335 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures PC1-FIX ------------------------------------------------------------------------------------------------------------------------------------ Configurations WFPC2 ------------------------------------------------------------------------------------------------------------------------------------ Opmodes IMAGE ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters CR-SPLIT=NO ATD-GAIN=7 CR-TOLERANCE=1 ------------------------------------------------------------------------------------------------------------------------------------ Proposal Category GO ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements ORIENT 264.4D TO 269.4D POS TARG +1.0000, -4.0000 POS TARG +1.0000, -4.0000 EXPAND MIN DUR 1600S MAX DUR 3000S END ORBIT POS TARG +1.2500, -4.2500 EXPAND MIN DUR 1600S MAX DUR 3000S POS TARG +1.2500, -4.2500 POS TARG +1.3750, -4.1250 POS TARG +1.3750, -4.1250 EXPAND MIN DUR 1400S MAX DUR 2000S END ORBIT POS TARG +1.1250, -4.3750 POS TARG +1.1250, -4.3750 EXPAND MIN DUR 1200S MAX DUR 1800S POS TARG +1.1250, -4.3750 END ORBIT SAME ORIENT AS 1 POS TARG +1.1250, -4.0000 POS TARG +1.1250, -4.0000 EXPAND MIN DUR 1200S MAX DUR 1800S END ORBIT POS TARG +1.0000, -4.1250 EXPAND MIN DUR 1600S MAX DUR 2000S POS TARG +1.0000, -4.1250 POS TARG +1.0000, -4.1250 END ORBIT POS TARG +1.3750, -4.2500 POS TARG +1.3750, -4.2500 EXPAND MIN DUR 1400S MAX DUR 2000S END ORBIT POS TARG +1.2500, -4.3750 POS TARG +1.2500, -4.3750 EXPAND MIN DUR 1200S MAX DUR 1800S POS TARG +1.2500, -4.3750 END ORBIT POS TARG +1.2500, -4.0000 POS TARG +1.2500, -4.0000 EXPAND MIN DUR 1200S MAX DUR 2000S END ORBIT POS TARG +1.1250, -4.1250 EXPAND MIN DUR 1400S MAX DUR 2000S POS TARG +1.1250, -4.1250 POS TARG +1.1250, -4.1250 END ORBIT POS TARG +1.0000, -4.2500 POS TARG +1.0000, -4.2500 EXPAND MIN DUR 1400S MAX DUR 2000S END ORBIT POS TARG +1.3750, -4.3750 POS TARG +1.3750, -4.3750 EXPAND MIN DUR 1200S MAX DUR 2000S POS TARG +1.3750, -4.3750 END ORBIT POS TARG +1.3750, -4.0000 POS TARG +1.3750, -4.0000 EXPAND MIN DUR 1200S MAX DUR 2000S END ORBIT POS TARG +1.2500, -4.1250 POS TARG +1.2500, -4.1250 EXPAND MIN DUR 1400S MAX DUR 2000S END ORBIT POS TARG +1.1250, -4.2500 POS TARG +1.1250, -4.2500 EXPAND MIN DUR 1200S MAX DUR 2000S POS TARG +1.1250, -4.2500 END ORBIT ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F675W F656N F555W F814W ------------------------------------------------------------------------------------------------------------------------------------ Target Names NGC6397 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