17527( 4) - 26-Nov-2024 22:09:16 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 17527 Version: 4 Check-in Time: 26-Nov-2024 22:09:16 STScI Edit Number: 0 Title Weighing the Most Massive Binary ------------------------------------------------------------------------------------ Type Cycle GO 31 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Philip Louis Massey Lowell Observatory Y CoI: Dr. Laura Penny College of Charleston N CoI: Dr. Nidia Morrell Carnegie Institution of Washington N CoI: Dr. Kathryn Neugent N CoI: Ms. Sarah Bodansky University of Massachusetts - Amherst N ------------------------------------------------------------------------------------ Abstract Understanding massive star evolution requires understanding massive binaries, as many massive stars are members of binary systems. In addition, orbit solutions provide the one direct measurement of a star's most fundamental property, its mass. We are proposing to measure accurate masses for NGC3603-A1, the most massive binary known, and the most luminous star in its rich cluster. Although identified as an eclipsing binary in 1984, the extreme crowding in the center of the cluster has made follow-up work difficult. An orbit using AO in the NIR on the VLT found masses of 116 Mo and 89 Mo for the two components. If correct, the primary would have a mass 50% larger than that of any other directly measured unevolved star. However, the uncertainties on these masses are quite large as the spectral features are mainly very broad, blended emission lines. An attempt to get better velocities was carried out by a competing group in Cycle 19, but the data were never published. We have analyzed these spectra, discovering that the upper Balmer lines are in absorption, and that at orbital phases near quadrature, the lines are readily resolved into two components: one from the primary and one from the secondary. Only two of their observations were taken at such phases, and the data have poor S/N. Here we propose to obtain much better data on the upper Balmer lines taken at times where we know the two components will be well resolved. This provides an efficient way to obtain accurate orbital parameters and masses for the most massive binary known. Such a system is the unevolved progenitor of the sort of merging massive black hole pairs indicated by recent gravitational wave detections. ------------------------------------------------------------------------------------ Observations Description ------------------------ The goal of this program is to obtain high S/N (~100) sspectrum of the star NGC 3601-A1, two at phase ~0.25, and two at a phase of 0.75. The star is crowded, and so the observing plan is to do the ACQ on a nearby (20" sepaeration) offset star. A SAM then takes us to A1, where we perform a peakup with the 52x0.1E1 aperture. We then do a 7-point dither-along-slit centered on the 52x0.1E1. Special requirements include the timing given the 3.8 day orbital period of the binary, and the need to have ORIENT angles that avoid nearby bright stars from contaminating our spectrum. 17527( 4) - 26-Nov-2024 22:09:16 - [ 2] ------------------------------------------------------------------------------------ 17527( 4) - 26-Nov-2024 22:09:16 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC3603-A1-O STAR, B0-B2 III-I RA=11H15M7.6261S +/- 0.003", J2000 V = 12.23 +/- 0.03 B-V=1.42 FFSET DEC=-61D15'17.56" +/- 0.003" Reference Frame: ICRS Extended: NO Comments: Proper motion has been applied to bring the coordinates to circa Cycle 31 from Gaia 2016 epoch. ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC3603-A1 STAR, EMISSION LINE RA=11H15M7.2765S +/- 0.003", J2000 V = 11.18 +/- 0.03 B-V=1.03 STAR, SUPERGIANT O, DEC=-61D15'38.39" +/- 0.003" WOLF RAYET - WN Reference Frame: ICRS Extended: NO Comments: Positions have been measured on numerous HST/STIS images as the Gaia position is affected by crowded. Similarly the Gaia proper motion cannot be trusted. Instead, the average cluster proper motion has been adopted and applied to the Cycle 31 time frame. V-band magnitude measured from ACS/HRC frame J9EU05040 taken at phase 0.25, i.e., out of eclipse, and thus a good representation of the brightness for our observations here. ------------------------------------------------------------------------------------------------------------------------------------ 17527( 4) - 26-Nov-2024 22:09:16 - [ 4] Patterns ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 1 Primary_Pattern Secondary_Pattern Pattern_Type STIS-ALONG-SLIT Pattern_Purpose DITHER Number_Of_Points 7 Point_Spacing 0.50 Line_Spacing Coordinate_Frame POS-TARG Pattern_Orient 90.0 Angle_Between_Sides Center_Pattern YES ------------------------------------------------------------------------------------------------------------------------------------ 17527( 4) - 26-Nov-2024 22:09:16 - [ 5] Visit: 01 (Visit1Phase25A) Visit Requirements: ORIENT 61D TO 103 D; ORIENT 176D TO 182 D; ORIENT 249D TO 292 D; ORIENT 346D TO 11 D; Period 3.77298 D AND ZERO-PHASE HJD2456161.3650 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC3603-A1- STIS/CCD ACQ F28X50LP MIRROR ACQTYPE=POINT 1 0.1 S (0.1 PHASE 0.20 TO 0.30 OFFSET S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC3603-A1 STIS/CCD ACQ/PEA 52X0.1E1 MIRROR 1 0.1 S (0.1 K S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC3603-A1 STIS/CCD ACCUM 52X0.1E1 G430M 3843 CR-SPLIT=2 1 165 S PATTERN 1 3 see below (1505 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ NGC3603-A1-OFFSET 1 STIS/CCD ACQ F28X50LP MIRROR none none none none 1 N/A NGC3603-A1 2 STIS/CCD ACQ/PEA 52X0.1E1 MIRROR none none none none 1 N/A K NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 1 none none 1 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 1 none none 2 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 2 none none 1 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 2 none none 2 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 3 none none 1 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 3 none none 2 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 4 none none 1 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 4 none none 2 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 5 none none 1 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 5 none none 2 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 6 none none 1 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 6 none none 2 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 7 none none 1 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 7 none none 2 1 107.5 S 17527( 4) - 26-Nov-2024 22:09:16 - [ 6] Visit: 02 (Visit2Phase25B) Visit Requirements: ORIENT 61D TO 103 D; ORIENT 176D TO 182 D; ORIENT 249D TO 292 D; ORIENT 346D TO 11 D; AFTER 01 BY 3 D TO 500 D; Period 3.77298 D AND ZERO-PHASE HJD2456161.3650 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC3603-A1- STIS/CCD ACQ F28X50LP MIRROR ACQTYPE=POINT 1 0.1 S (0.1 PHASE 0.20 TO 0.30 OFFSET S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC3603-A1 STIS/CCD ACQ/PEA 52X0.1E1 MIRROR 1 0.1 S (0.1 K S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC3603-A1 STIS/CCD ACCUM 52X0.1E1 G430M 3843 CR-SPLIT=2 1 165 S PATTERN 1 3 see below (1505 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ NGC3603-A1-OFFSET 1 STIS/CCD ACQ F28X50LP MIRROR none none none none 1 N/A NGC3603-A1 2 STIS/CCD ACQ/PEA 52X0.1E1 MIRROR none none none none 1 N/A K NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 1 none none 1 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 1 none none 2 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 2 none none 1 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 2 none none 2 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 3 none none 1 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 3 none none 2 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 4 none none 1 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 4 none none 2 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 5 none none 1 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 5 none none 2 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 6 none none 1 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 6 none none 2 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 7 none none 1 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 7 none none 2 1 107.5 S 17527( 4) - 26-Nov-2024 22:09:16 - [ 7] Visit: 03 (Visit3Phase75A) Visit Requirements: ORIENT 61D TO 103 D; ORIENT 176D TO 182 D; ORIENT 249D TO 292 D; ORIENT 346D TO 11 D; Period 3.77298 D AND ZERO-PHASE HJD2456161.3650 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC3603-A1- STIS/CCD ACQ F28X50LP MIRROR ACQTYPE=POINT 1 0.1 S (0.1 PHASE 0.70 TO 0.80 OFFSET S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC3603-A1 STIS/CCD ACQ/PEA 52X0.1E1 MIRROR 1 0.1 S (0.1 K S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC3603-A1 STIS/CCD ACCUM 52X0.1E1 G430M 3843 CR-SPLIT=2 1 165 S PATTERN 1 3 see below (1505 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ NGC3603-A1-OFFSET 1 STIS/CCD ACQ F28X50LP MIRROR none none none none 1 N/A NGC3603-A1 2 STIS/CCD ACQ/PEA 52X0.1E1 MIRROR none none none none 1 N/A K NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 1 none none 1 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 1 none none 2 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 2 none none 1 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 2 none none 2 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 3 none none 1 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 3 none none 2 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 4 none none 1 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 4 none none 2 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 5 none none 1 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 5 none none 2 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 6 none none 1 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 6 none none 2 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 7 none none 1 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 7 none none 2 1 107.5 S 17527( 4) - 26-Nov-2024 22:09:16 - [ 8] Visit: 04 (Visit4Phase75B) Visit Requirements: ORIENT 61D TO 103 D; ORIENT 176D TO 182 D; ORIENT 249D TO 292 D; ORIENT 346D TO 11 D; AFTER 03 BY 3 D TO 500 D; Period 3.77298 D AND ZERO-PHASE HJD2456161.3650 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC3603-A1- STIS/CCD ACQ F28X50LP MIRROR ACQTYPE=POINT 1 0.1 S (0.1 PHASE 0.70 TO 0.80 OFFSET S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC3603-A1 STIS/CCD ACQ/PEA 52X0.1E1 MIRROR 1 0.1 S (0.1 K S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC3603-A1 STIS/CCD ACCUM 52X0.1E1 G430M 3843 CR-SPLIT=2 1 165 S PATTERN 1 3 see below (1505 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ NGC3603-A1-OFFSET 1 STIS/CCD ACQ F28X50LP MIRROR none none none none 1 N/A NGC3603-A1 2 STIS/CCD ACQ/PEA 52X0.1E1 MIRROR none none none none 1 N/A K NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 1 none none 1 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 1 none none 2 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 2 none none 1 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 2 none none 2 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 3 none none 1 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 3 none none 2 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 4 none none 1 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 4 none none 2 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 5 none none 1 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 5 none none 2 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 6 none none 1 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 6 none none 2 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 7 none none 1 1 107.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 7 none none 2 1 107.5 S 17527( 4) - 26-Nov-2024 22:09:16 - [ 9] Visit: 05 (Visit2Try2Phase25B) Visit Requirements: ORIENT 61D TO 103 D; ORIENT 176D TO 182 D; ORIENT 249D TO 292 D; ORIENT 346D TO 11 D; AFTER 01 BY 3 D TO 500 D; Period 3.77298 D AND ZERO-PHASE HJD2456161.3650 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC3603-A1- STIS/CCD ACQ F28X50LP MIRROR ACQTYPE=POINT 1 0.1 S (0.1 PHASE 0.20 TO 0.30 OFFSET S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC3603-A1 STIS/CCD ACQ/PEA 52X0.1E1 MIRROR 1 0.1 S (0.1 K S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC3603-A1 STIS/CCD ACCUM 52X0.1E1 G430M 3843 CR-SPLIT=2 1 165 S PATTERN 1 3 (1155 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ NGC3603-A1-OFFSET 1 STIS/CCD ACQ F28X50LP MIRROR none none none none 1 N/A NGC3603-A1 2 STIS/CCD ACQ/PEA 52X0.1E1 MIRROR none none none none 1 N/A K NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 1 none none 1 1 N/A NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 1 none none 2 1 N/A NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 2 none none 1 1 N/A NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 2 none none 2 1 N/A NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 3 none none 1 1 N/A NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 3 none none 2 1 N/A NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 4 none none 1 1 N/A NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 4 none none 2 1 N/A NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 5 none none 1 1 N/A NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 5 none none 2 1 N/A NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 6 none none 1 1 N/A NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 6 none none 2 1 N/A NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 7 none none 1 1 N/A NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 7 none none 2 1 N/A 17527( 4) - 26-Nov-2024 22:09:16 - [ 10] Visit: 06 (Visit4Try2Phase75B) Visit Requirements: ORIENT 61D TO 103 D; ORIENT 176D TO 182 D; ORIENT 249D TO 292 D; ORIENT 346D TO 11 D; AFTER 03 BY 3 D TO 500 D; Period 3.77298 D AND ZERO-PHASE HJD2456161.3650 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC3603-A1- STIS/CCD ACQ F28X50LP MIRROR ACQTYPE=POINT 1 0.1 S (0.1 PHASE 0.70 TO 0.80 OFFSET S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC3603-A1 STIS/CCD ACQ/PEA 52X0.1E1 MIRROR 1 0.1 S (0.1 K S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC3603-A1 STIS/CCD ACCUM 52X0.1E1 G430M 3843 CR-SPLIT=2 1 165 S PATTERN 1 3 (1155 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ NGC3603-A1-OFFSET 1 STIS/CCD ACQ F28X50LP MIRROR none none none none 1 N/A NGC3603-A1 2 STIS/CCD ACQ/PEA 52X0.1E1 MIRROR none none none none 1 N/A K NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 1 none none 1 1 N/A NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 1 none none 2 1 N/A NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 2 none none 1 1 N/A NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 2 none none 2 1 N/A NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 3 none none 1 1 N/A NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 3 none none 2 1 N/A NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 4 none none 1 1 N/A NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 4 none none 2 1 N/A NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 5 none none 1 1 N/A NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 5 none none 2 1 N/A NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 6 none none 1 1 N/A NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 6 none none 2 1 N/A NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 7 none none 1 1 N/A NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 7 none none 2 1 N/A 17527( 4) - 26-Nov-2024 22:09:16 - [ 11] Visit: 07 (Visit4Try3Phase75B) Visit Requirements: ORIENT 61D TO 103 D; ORIENT 176D TO 182 D; ORIENT 249D TO 292 D; ORIENT 346D TO 11 D; AFTER 03 BY 3 D TO 500 D; Period 3.77298 D AND ZERO-PHASE HJD2456161.3650 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC3603-A1- STIS/CCD ACQ F28X50LP MIRROR ACQTYPE=POINT 1 0.1 S (0.1 PHASE 0.70 TO 0.80 OFFSET S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC3603-A1 STIS/CCD ACQ/PEA 52X0.1E1 MIRROR 1 0.1 S (0.1 K S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC3603-A1 STIS/CCD ACCUM 52X0.1E1 G430M 3843 CR-SPLIT=2 1 165 S PATTERN 1 3 see below (1281 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ NGC3603-A1-OFFSET 1 STIS/CCD ACQ F28X50LP MIRROR none none none none 1 N/A NGC3603-A1 2 STIS/CCD ACQ/PEA 52X0.1E1 MIRROR none none none none 1 N/A K NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 1 none none 1 1 91.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 1 none none 2 1 91.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 2 none none 1 1 91.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 2 none none 2 1 91.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 3 none none 1 1 91.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 3 none none 2 1 91.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 4 none none 1 1 91.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 4 none none 2 1 91.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 5 none none 1 1 91.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 5 none none 2 1 91.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 6 none none 1 1 91.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 6 none none 2 1 91.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 7 none none 1 1 91.5 S NGC3603-A1 3 STIS/CCD ACCUM 52X0.1E1 G430M 3843 7 none none 2 1 91.5 S 17527( 4) - 26-Nov-2024 22:09:16 - [ 12] Summary Form for Proposal 17527 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures 52X0.1E1, F28X50LP ------------------------------------------------------------------------------------------------------------------------------------ Configurations STIS/CCD ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM, ACQ, ACQ/PEAK ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters ACQTYPE=POINT, CR-SPLIT=2 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements AFTER 01 BY 3 D TO 500 D, AFTER 03 BY 3 D TO 500 D, ORIENT 176D TO 182 D, ORIENT 249D TO 292 D, ORIENT 346D TO 11 D, ORIENT 61D TO 103 D, PATTERN 1 3, PHASE 0.20 TO 0.30, PHASE 0.70 TO 0.80, Period 3.77298 D AND ZERO-PHASE HJD2456161.3650 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements G430M, MIRROR ------------------------------------------------------------------------------------------------------------------------------------ Target Names NGC3603-A1, NGC3603-A1-OFFSET ------------------------------------------------------------------------------------------------------------------------------------