0Assigned ID: 572
----- Attempting Submission 1 (Fri Apr 07 15:32:36 GMT 2017) -----
HST Phase I Proposal 572 (De_Cia_c25.apt) successfully submitted.
Receipt: # 572-1
----- Attempting Submission 2 (Fri Apr 07 21:24:55 GMT 2017) -----0ORBITAL VISIBILITY OVERRUN06/02/2018 Resubmitting taking the Contact Scientist's suggestions and corrections into account.
14/03/2017 Resubmitting with a few changes in Orient constraints and target definitions
06/12/2017 Resubmitting with optimized strategy.
Although there are warnings in BOT, the safety of the observations have been confirmed with the ETC for all targets, both for the MAMA and the CCD detectors (ACQ and ACQ/PEAK).
22/07/2017 resubmission. WAVECAL moved from automatic to manual, in occultation. Single, rather than multiple spectral exposures set.
Dec. 5: cut 60s from visit 25, exp 2, cut 140s from visit 25 exp 4
May 28, 2019 copy visit 10 into visit 50, HOPR repeat1966329186----- Attempting Submission 1 (Thu Jul 20 11:26:40 GMT 2017) -----
HST Phase II Proposal 15335 (De_Cia_c25_Pr15335_newtargets_PhaseII.apt) successfully submitted.
Receipt: # 15335-1
----- Attempting Submission 2 (Sat Jul 22 13:33:16 GMT 2017) -----
HST Phase II Proposal 15335 (De_Cia_c25_Pr15335_newtargets_PhaseII.apt) successfully submitted.
Receipt: # 15335-2
----- Attempting Submission 4 (Wed Dec 06 21:32:03 GMT 2017) -----
HST Phase II Proposal 15335 (De_Cia_c25_Pr15335_newtargets_newcheck_PhaseII.apt) successfully submitted.
Receipt: # 15335-4
----- Attempting Submission 5 (Tue Feb 06 16:16:55 GMT 2018) -----
HST Phase II Proposal 15335 (De_Cia_c25_Pr15335_newtargets_newcheck_2clearance_PhaseII.apt) successfully submitted.
Receipt: # 15335-5
----- Attempting Submission 6 (Wed Mar 14 12:34:05 GMT 2018) -----
----- Attempting Submission 7 (Wed Dec 05 20:30:17 GMT 2018) -----
----- Attempting Submission 8 (Tue May 28 11:40:51 GMT 2019) -----What is the metallicity of the cool ISM in our own Galaxy?The Interstellar Medium (ISM) has a fundamental role for star and planet formation, and the exchange of metals within the baryon cycle. Remarkably, the cool ISM metallicity in our own Galaxy is not known to date, and it is typically assumed to be solar. ISM abundances can and have been measured with UV spectroscopy, but are heavily affected by the presence of dust. Refractory metals are missing from the gas-phase because they are locked into dust grains (dust depletion). The degeneracy between metallicity and dust depletion limited past studies to assume solar metallicity for the Galactic ISM, and assign any deviation from it to dust depletion. In De Cia et al. 2016 we have developed a method to characterize dust depletion without assumptions on the metallicity. We can now measure the dust-corrected metallicity in the ISM, as long as H, Zn, Fe, and a third metal are constrained, which we collected for only 12 lines of sight so far. We propose to expand and improve this sample of ISM metallicities by observing 25 hot stars (with known H and at different Galactic latitudes and E(B-V)) deploying a STIS NUV echelle setting that will allow us to constrain Zn, Fe, and Cr abundances along these lines of sight. We will learn 1) whether the cool ISM metallicity toward a total of 37 lines of sight is really solar, or deviates from it; 2) whether there are radial gradients of metallicity in the Galaxy ISM; and 3) whether lines of sight with higher dust content have also higher metallicity.We aim at detecting ZnII lambda 2026,2062, FeII lambda 2260, and CrII lambda 2056,2062 absorption lines from the ISM. High spectral resolution (R = lambda/Delta lambda >= 30000) and high signal-to-noise ratio (S/N ~ 50 per resolution element, at 2026 A) are needed to ensure detection and deblending of spectral components of the line profiles, specially when weak. This can be achieved with the STIS MAMA E230M grating, centered at 1978 A. The targets are very bright, ranging 2 <= V <= 8 mag, and the STIS MAMA detectors are sensitive to bright targets. For this reason, we will use narrow slits and neutral density filters to ensure that the bright limit for STIS MAMA is not reached. Depending on the brightness, spectral type, and foreground extinction towards the targeted stars, we will use one of the following slit setting: 6 x 0.2, 0.2 x 0.06, 31 x 0.05NDA, 31 x 0.05NDB, 31 x 0.05NDC, 0.2 x 0.05ND, and up to the heaviest filter 0.3 x 0.05ND.
We ran the HST STIS ETC on every target and for each case found a good compromise between avoiding the STIS bright limit and achieving the required S/N within 1 orbit/target. A somewhat lower S/N of 43 is expected for the bright Target 3, because of the heavy filter chosen to protect the MAMA detector. There is one exception to the observational strategy of 1 target/orbit at S/N~50 described above, which is the last (25th) target star HD-167971. This is the faintest (V = 7.45) target in our sample and has a high foreground extinction (E(B - V ) ~ 1.08). For this target we will achieve a S/N = 31 within 2 orbits.
The acquisition was set with ACQ and ACQ/PEAK for science slit widths >=0.1", always with ACQ/PEAK in dispersed light (except in one case) because of the target high brightness. The same slit was used for the ACQ/PEAK and science in most cases, except 4 cases for which the required ACQ/PEAK would have been too long and thererfore unfeasible. When 31" long slits are used, the slit orientation is specified to avoid the contribution from nearby sources.
The current finding chart produced in APT for Target 5, theta1 Ori C, is affected by nebulosity. However, the ACQ and ACQ/PEAK procedures should be straightforward. Other HST programs have observed the nearby star theta1 Ori B and the ACQ images show no significant contamination by nebulosity.
We selected the WAVECAL=NO option in all spectra and added a GO WAVECAL exposure in the occultation of each orbit to save overhead time.Stellar PhysicsGalaxies and the IGM6falsefalsetruefalsefalsefalsefalseSUPPORTEDISMABSORPTION LINE SYSTEM - GALACTICThis object was generated by the targetselector and retrieved from the SIMBAD database.
ICRS coordinates and proper motions updated.HD23180J2000J2000ISMABSORPTION LINE SYSTEM - GALACTICThis object was generated by the targetselector and retrieved from the SIMBAD database.
Name, ICRS coordinates and proper motions updated.HD24534J2000J2000ISMABSORPTION LINE SYSTEM - GALACTICThis object was generated by the targetselector and retrieved from the SIMBAD database.
ICRS coordinates and proper motions updated.HD24760J2000J2000ISMABSORPTION LINE SYSTEM - GALACTICThis object was generated by the targetselector and retrieved from the SIMBAD database.
ICRS coordinates and proper motions updated.HD27778J2000J2000ISMABSORPTION LINE SYSTEM - GALACTICThis object was generated by the targetselector and retrieved from the SIMBAD database.
ICRS coordinates and proper motions updated.HD37022J2000J2000ISMABSORPTION LINE SYSTEM - GALACTICThis object was generated by the targetselector and retrieved from the SIMBAD database.
ICRS coordinates and proper motions updated.HD37043J2000J2000ISMABSORPTION LINE SYSTEM - GALACTICThis object was generated by the targetselector and retrieved from the SIMBAD database.
ICRS coordinates and proper motions updated.HD37742J2000J2000ISMABSORPTION LINE SYSTEM - GALACTICThis object was generated by the targetselector and retrieved from the SIMBAD database.
ICRS coordinates and proper motions updated.J2000J2000ISMABSORPTION LINE SYSTEM - GALACTICThis object was generated by the targetselector and retrieved from the SIMBAD database.
ICRS coordinates and proper motions updated.J2000J2000ISMABSORPTION LINE SYSTEM - GALACTICThis object was generated by the targetselector and retrieved from the SIMBAD database.
ICRS coordinates and proper motions updated.J2000J2000ISMABSORPTION LINE SYSTEM - GALACTICThis object was generated by the targetselector and retrieved from the SIMBAD database.
ICRS coordinates and proper motions updated.HD112244J2000J2000ISMABSORPTION LINE SYSTEM - GALACTICThis object was generated by the targetselector and retrieved from the SIMBAD database.HD113904AJ2000ISMABSORPTION LINE SYSTEM - GALACTICThis object was generated by the targetselector and retrieved from the SIMBAD database.
ICRS coordinates and proper motions updated (Feb 6 2018).
Old coordinates: RA 16 25 35.1010 Dec -23 26 48.70 PM -9.6 -19.0 mas/yrHD147933J2000J2000ISMABSORPTION LINE SYSTEM - GALACTICThis object was generated by the targetselector and retrieved from the SIMBAD database.
ICRS coordinates and proper motions updated.HD148184J2000J2000ISMABSORPTION LINE SYSTEM - GALACTICThis object was generated by the targetselector and retrieved from the SIMBAD database.
ICRS coordinates and proper motions updated.J2000J2000ISMABSORPTION LINE SYSTEM - GALACTICThis object was generated by the targetselector and retrieved from the SIMBAD database.
ICRS coordinates and proper motions updated.HD152236J2000J2000ISMABSORPTION LINE SYSTEM - GALACTICThis object was generated by the targetselector and retrieved from the SIMBAD database.
ICRS coordinates and proper motions updated.J2000J2000ISMABSORPTION LINE SYSTEM - GALACTICThis object was generated by the targetselector and retrieved from the SIMBAD database.
ICRS coordinates and proper motions updated.J2000ISMABSORPTION LINE SYSTEM - GALACTICThis object was generated by the targetselector and retrieved from the SIMBAD database.
ICRS coordinates and proper motions updated.HD167264J2000ISMABSORPTION LINE SYSTEM - GALACTICThis object was generated by the targetselector and retrieved from the SIMBAD database.
ICRS coordinates and proper motions updated.HD184915J2000ISMABSORPTION LINE SYSTEM - GALACTICThis object was generated by the targetselector and retrieved from the SIMBAD database.
ICRS coordinates and proper motions updated.J2000ISMABSORPTION LINE SYSTEM - GALACTICThis object was generated by the targetselector and retrieved from the SIMBAD database.
ICRS coordinates and proper motions updated.J2000J2000ISMABSORPTION LINE SYSTEM - GALACTICThis object was generated by the targetselector and retrieved from the SIMBAD database.J2000ISMABSORPTION LINE SYSTEM - GALACTICThis object was generated by the targetselector and retrieved from the SIMBAD database.
ICRS coordinates and proper motions updated.J2000J2000ISMABSORPTION LINE SYSTEM - GALACTICThis object was generated by the targetselector and retrieved from the SIMBAD database.
ICRS coordinates and proper motions updated.MY-SERJ2000J2000STIS/NUV-MAMASpectroscopicNoNoE230M1978STIS/NUV-MAMASpectroscopicNoNoE230M1978STIS/NUV-MAMASpectroscopicNoNoE230M1978STIS/NUV-MAMASpectroscopicNoNoE230M1978STIS/NUV-MAMASpectroscopicNoNoE230M1978STIS/NUV-MAMASpectroscopicNoNoE230M1978STIS/NUV-MAMASpectroscopicNoNoE230M1978STIS/NUV-MAMASpectroscopicNoNoE230M1978STIS/NUV-MAMASpectroscopicNoNoE230M1978STIS/NUV-MAMASpectroscopicNoNoE230M1978STIS/NUV-MAMASpectroscopicNoNoE230M1978STIS/NUV-MAMASpectroscopicNoNoE230M1978STIS/NUV-MAMASpectroscopicNoNoE230M1978STIS/NUV-MAMASpectroscopicNoNoE230M1978STIS/NUV-MAMASpectroscopicNoNoE230M1978STIS/NUV-MAMASpectroscopicNoNoE230M1978STIS/NUV-MAMASpectroscopicNoNoE230M1978STIS/NUV-MAMASpectroscopicNoNoE230M1978STIS/NUV-MAMASpectroscopicNoNoE230M1978STIS/NUV-MAMASpectroscopicNoNoE230M1978STIS/NUV-MAMASpectroscopicNoNoE230M1978STIS/NUV-MAMASpectroscopicNoNoE230M1978STIS/NUV-MAMASpectroscopicNoNoE230M1978STIS/NUV-MAMASpectroscopicNoNoE230M1978STIS/NUV-MAMASpectroscopicNoNoE230M1978The scheduling data was generated by CASM 25.2.CASM was run in Phase II mode.154770337800087.0(Tic-Visit
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:internal-dur-at-end 319
:dark-offset NIL
:dark-utilization 0
:max-dark-utilization 1920
:low-sky "N"
:pcs-visibility 3449
:pcs-gap 0
)true10ET 387s minimum (STIS.sp.1038385, 107,000 c/s) - within MAMA bright limit (hotter star O9V positively tested, STIS.sp.1038389, 144,000 c/s).The scheduling data was generated by CASM 25.2.CASM was run in Phase II mode.The Orient constraints exclude Tet Mus B, and also roughly align the slit with PA=102 (corresponding to Rotation Angle = 147), which is the inclination of the binary that compose Tet Mus A (separation 25-41 mas).1538405476000169.17423018330652(Tic-Visit
:proposal-id 15335
:visit-id "12"
:proposal-version -1
:trans-version "20170613"
:date "14-Mar-2018 12:24:08.0"
:trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0
:FATAL-ERRORS 0 :CONTINUABLE-FATALS 0)
:number-of-orbits 1
:saa-model "24"
:si-bright-earth-limb-angle 20.0
:data-volume 88000
:tdrss-contact-duration 0
:coron NIL
)
(Tic-Obset
:proposal-id 15335
:visit-id "12"
:obset-id "12"
:pcs-mode "FGS"
)
(Tic-Orbit
:proposal-id 15335
:visit-id "12"
:orbit-number 1
:pcs-time 333
:si-vis-utilization 3213
:al-overhead-at-end 245
:internal-dur-at-end 319
:dark-offset NIL
:dark-utilization 0
:max-dark-utilization 1920
:low-sky "N"
:pcs-visibility 3546
:pcs-gap 0
)true10Binary composed by:
1) WC5 + B0III, V=5.68, U-B=-0.87
2) 09IV, V=7.66, U-B=-0.90
---> Assuming a B0III spectrum, normalized at V=5.51. Min ET 300s (STIS.sp.1038394, 136,000 c/s, non-variable source)
[Conservatively assuming a O7V star: 175,000 c/s, STIS.sp.1038395]The scheduling data was generated by CASM 25.2.CASM was run in Phase II mode.Orient Constraints to avoid rho Oph B and also the nearby companion rho Oph (0.37" away)153407719700098.58518914432489(Tic-Visit
:proposal-id 15335
:visit-id "13"
:proposal-version -1
:trans-version "20170613"
:date "14-Mar-2018 12:24:09.0"
:trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0
:FATAL-ERRORS 0 :CONTINUABLE-FATALS 0)
:number-of-orbits 1
:saa-model "24"
:si-bright-earth-limb-angle 20.0
:data-volume 88000
:tdrss-contact-duration 0
:coron NIL
)
(Tic-Obset
:proposal-id 15335
:visit-id "13"
:obset-id "13"
:pcs-mode "FGS"
)
(Tic-Orbit
:proposal-id 15335
:visit-id "13"
:orbit-number 1
:pcs-time 333
:si-vis-utilization 2884
:al-overhead-at-end 245
:internal-dur-at-end 319
:dark-offset NIL
:dark-utilization 0
:max-dark-utilization 1920
:low-sky "N"
:pcs-visibility 3217
:pcs-gap 0
)true10Similar for classical MW extinction law (STIS.sp.1038519)Assuming a Rv=5 dense MW extinction. ET 580s minimum (STIS.sp.1038515). ET 1420s minimum for classic MW extinction (STIS.sp.1010979)The scheduling data was generated by CASM 25.2.CASM was run in Phase II mode.1552053363000278.51869669185436(Tic-Visit
:proposal-id 15335
:visit-id "14"
:proposal-version -1
:trans-version "20170613"
:date "14-Mar-2018 12:24:11.0"
:trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0
:FATAL-ERRORS 0 :CONTINUABLE-FATALS 0)
:number-of-orbits 1
:saa-model "24"
:si-bright-earth-limb-angle 20.0
:data-volume 88000
:tdrss-contact-duration 0
:coron NIL
)
(Tic-Obset
:proposal-id 15335
:visit-id "14"
:obset-id "14"
:pcs-mode "FGS"
)
(Tic-Orbit
:proposal-id 15335
:visit-id "14"
:orbit-number 1
:pcs-time 333
:si-vis-utilization 2883
:al-overhead-at-end 245
:internal-dur-at-end 319
:dark-offset NIL
:dark-utilization 0
:max-dark-utilization 1920
:low-sky "N"
:pcs-visibility 3216
:pcs-gap 0
)true10Old setting STIS.sp.1011012 2s 0.2x0.06Assuming Rv=5 dense MW extinction. ET 390s minimum, 108,197 counts/s (STIS.sp.1038526; 45,000 for normal Rv, STIS.sp.1011008).
The star VIS mag varies between 4.8 and 4.0 mag (AAVSO). If V=4.0 then 160,000 count/s (STIS.sp.1038530; 65,299 for normal Rv, STIS.sp.1038529)The scheduling data was generated by CASM 25.2.CASM was run in Phase II mode.1536811262000100.938495599112(Tic-Visit
:proposal-id 15335
:visit-id "15"
:proposal-version -1
:trans-version "20170613"
:date "14-Mar-2018 12:24:12.0"
:trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0
:FATAL-ERRORS 0 :CONTINUABLE-FATALS 0)
:number-of-orbits 1
:saa-model "24"
:si-bright-earth-limb-angle 20.0
:data-volume 88560
:tdrss-contact-duration 0
:coron NIL
)
(Tic-Obset
:proposal-id 15335
:visit-id "15"
:obset-id "15"
:pcs-mode "FGS"
)
(Tic-Orbit
:proposal-id 15335
:visit-id "15"
:orbit-number 1
:pcs-time 333
:si-vis-utilization 2965
:al-overhead-at-end 194
:internal-dur-at-end 319
:dark-offset NIL
:dark-utilization 0
:max-dark-utilization 1920
:low-sky "N"
:pcs-visibility 3298
:pcs-gap 0
)true10Assuming O9V star, 146,000 counts/s. The source does not vary significantly. Minimum ET 319s (STIS.sp.1038537)The scheduling data was generated by CASM 25.2.CASM was run in Phase II mode.1552125444000277.2796054709837(Tic-Visit
:proposal-id 15335
:visit-id "16"
:proposal-version -1
:trans-version "20170613"
:date "14-Mar-2018 12:24:13.0"
:trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0
:FATAL-ERRORS 0 :CONTINUABLE-FATALS 0)
:number-of-orbits 1
:saa-model "24"
:si-bright-earth-limb-angle 20.0
:data-volume 88000
:tdrss-contact-duration 0
:coron NIL
)
(Tic-Obset
:proposal-id 15335
:visit-id "16"
:obset-id "16"
:pcs-mode "FGS"
)
(Tic-Orbit
:proposal-id 15335
:visit-id "16"
:orbit-number 1
:pcs-time 333
:si-vis-utilization 2965
:al-overhead-at-end 243
:internal-dur-at-end 319
:dark-offset NIL
:dark-utilization 0
:max-dark-utilization 1920
:low-sky "N"
:pcs-visibility 3298
:pcs-gap 0
)true10ET 650s minimum for S/N=50 (STIS.sp.1011142), 74000 counts/s assuming spectral type B0I. The star is in fact classified as B1Ia, so it should be a bit colder, i.e. we expect less counts/s (for a B5I type, S/N = 44, so we excpect a better S/N than this, STIS.sp.1038546). The 0.2x0.06 setting exceeds MAMA Bright limits for a B0I star.The scheduling data was generated by CASM 25.2.CASM was run in Phase II mode.153356831600086.81077447124397(Tic-Visit
:proposal-id 15335
:visit-id "17"
:proposal-version -1
:trans-version "20170613"
:date "14-Mar-2018 12:24:14.0"
:trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0
:FATAL-ERRORS 0 :CONTINUABLE-FATALS 0)
:number-of-orbits 1
:saa-model "24"
:si-bright-earth-limb-angle 20.0
:data-volume 88560
:tdrss-contact-duration 0
:coron NIL
)
(Tic-Obset
:proposal-id 15335
:visit-id "17"
:obset-id "17"
:pcs-mode "FGS"
)
(Tic-Orbit
:proposal-id 15335
:visit-id "17"
:orbit-number 1
:pcs-time 333
:si-vis-utilization 2927
:al-overhead-at-end 194
:internal-dur-at-end 319
:dark-offset NIL
:dark-utilization 0
:max-dark-utilization 1920
:low-sky "N"
:pcs-visibility 3260
:pcs-gap 0
)true10ET 1400s minimumThe scheduling data was generated by CASM 25.2.CASM was run in Phase II mode.Orient constraints to avoid BD-22 4503B (V~12.8mag, ~10"away)153348261200090.59166152212549(Tic-Visit
:proposal-id 15335
:visit-id "18"
:proposal-version -1
:trans-version "20170613"
:date "14-Mar-2018 12:24:15.0"
:trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0
:FATAL-ERRORS 0 :CONTINUABLE-FATALS 0)
:number-of-orbits 1
:saa-model "24"
:si-bright-earth-limb-angle 20.0
:data-volume 88000
:tdrss-contact-duration 0
:coron NIL
)
(Tic-Obset
:proposal-id 15335
:visit-id "18"
:obset-id "18"
:pcs-mode "FGS"
)
(Tic-Orbit
:proposal-id 15335
:visit-id "18"
:orbit-number 1
:pcs-time 333
:si-vis-utilization 2884
:al-overhead-at-end 245
:internal-dur-at-end 319
:dark-offset NIL
:dark-utilization 0
:max-dark-utilization 1920
:low-sky "N"
:pcs-visibility 3217
:pcs-gap 0
)true10Old setting STIS.sp.1011256 1s 0.2x0.0679,000 counts/s. IUE spectrum brighter by 50% @2000A, still within the MAMA bright limit. Not a variable star. ET 526s minimum (STIS.sp.1038588).The scheduling data was generated by CASM 25.2.CASM was run in Phase II mode.1552195040000269.1582995934315(Tic-Visit
:proposal-id 15335
:visit-id "19"
:proposal-version -1
:trans-version "20170613"
:date "14-Mar-2018 12:24:18.0"
:trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0
:FATAL-ERRORS 0 :CONTINUABLE-FATALS 0)
:number-of-orbits 1
:saa-model "24"
:si-bright-earth-limb-angle 20.0
:data-volume 88000
:tdrss-contact-duration 0
:coron NIL
)
(Tic-Obset
:proposal-id 15335
:visit-id "19"
:obset-id "19"
:pcs-mode "FGS"
)
(Tic-Orbit
:proposal-id 15335
:visit-id "19"
:orbit-number 1
:pcs-time 333
:si-vis-utilization 2884
:al-overhead-at-end 245
:internal-dur-at-end 319
:dark-offset NIL
:dark-utilization 0
:max-dark-utilization 1920
:low-sky "N"
:pcs-visibility 3217
:pcs-gap 0
)true1084,000 counts/s. IUE flux brighter by 50% at 2000A, still below the MAMA bright limit. Not a variable star. ET 505s minimum (STIS.sp.1038593)The scheduling data was generated by CASM 25.2.CASM was run in Phase II mode.153664071100090.80809830555359(Tic-Visit
:proposal-id 15335
:visit-id "20"
:proposal-version -1
:trans-version "20170613"
:date "14-Mar-2018 12:24:19.0"
:trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0
:FATAL-ERRORS 0 :CONTINUABLE-FATALS 0)
:number-of-orbits 1
:saa-model "24"
:si-bright-earth-limb-angle 20.0
:data-volume 88000
:tdrss-contact-duration 0
:coron NIL
)
(Tic-Obset
:proposal-id 15335
:visit-id "20"
:obset-id "20"
:pcs-mode "FGS"
)
(Tic-Orbit
:proposal-id 15335
:visit-id "20"
:orbit-number 1
:pcs-time 333
:si-vis-utilization 2872
:al-overhead-at-end 246
:internal-dur-at-end 319
:dark-offset NIL
:dark-utilization 0
:max-dark-utilization 1920
:low-sky "N"
:pcs-visibility 3205
:pcs-gap 0
)true10MAMA bright limit warning, above the threshold for variable targets.
The target is a Type B0.5III star. Refining ETC by using the observed IUE spectrum, or by normalizing the model spectrum with the observed IUE flux (1.7e-10 flam at 2560 AA), and assessing variability of the source.
Direct IUE spectrum (lr11090): 50,000 counts/s STIS.sp.1012915
Castelli-Kurucz Models B0III + normalization by Vmag: 100,000 counts/s STIS.sp.1011305
Castelli-Kurucz Models B0III + normalization by IUE flux: 90,000 counts/s STIS.sp.1012035
Kurucz Models B0V + normalization by IUE flux: 92000 counts/s STIS.sp.1012036
The source does not seem to vary:
- in general: the fraction of variables in thei s class seems to be 6-15%, with variability amplitudes of 6-8mmag (see https://www.cosmos.esa.int/documents/532822/546798/oral05_01.pdf).
- for kap Aql: the scatter in both the measured V magnitude and B-V is 0.03 mag since 1954 (see simbad, http://simbad.u-strasbg.fr/simbad/sim-id?mescat.iue=on&mescat.ubv=on&mescat.uvby1=on&Ident=@2617798&Name=*+kap+Aql&submit=display+selected+measurements#lab_meas)
Conservative alternative: 0.2X0.05ND aperture, 2x758s give S/N=34 (STIS.sp.1011320)The scheduling data was generated by CASM 25.2.CASM was run in Phase II mode.Orient Constraints to avoid N2HG088828 source in the GSC.1534586192000148.7704432044623(Tic-Visit
:proposal-id 15335
:visit-id "21"
:proposal-version -1
:trans-version "20170613"
:date "14-Mar-2018 12:24:20.0"
:trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0
:FATAL-ERRORS 0 :CONTINUABLE-FATALS 0)
:number-of-orbits 1
:saa-model "24"
:si-bright-earth-limb-angle 20.0
:data-volume 88000
:tdrss-contact-duration 0
:coron NIL
)
(Tic-Obset
:proposal-id 15335
:visit-id "21"
:obset-id "21"
:pcs-mode "FGS"
)
(Tic-Orbit
:proposal-id 15335
:visit-id "21"
:orbit-number 1
:pcs-time 333
:si-vis-utilization 3012
:al-overhead-at-end 245
:internal-dur-at-end 319
:dark-offset NIL
:dark-utilization 0
:max-dark-utilization 1920
:low-sky "N"
:pcs-visibility 3345
:pcs-gap 0
)true10Pld setting STIS.sp.1011375 1s 0.2x0.06120,000 counts/s. Not a variable star. ET 335s minimum (STIS.sp.1038612)The scheduling data was generated by CASM 25.2.CASM was run in Phase II mode.154406035200054.69715343956901(Tic-Visit
:proposal-id 15335
:visit-id "22"
:proposal-version -1
:trans-version "20170613"
:date "14-Mar-2018 12:24:22.0"
:trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0
:FATAL-ERRORS 0 :CONTINUABLE-FATALS 0)
:number-of-orbits 1
:saa-model "24"
:si-bright-earth-limb-angle 20.0
:data-volume 88000
:tdrss-contact-duration 0
:coron NIL
)
(Tic-Obset
:proposal-id 15335
:visit-id "22"
:obset-id "22"
:pcs-mode "FGS"
)
(Tic-Orbit
:proposal-id 15335
:visit-id "22"
:orbit-number 1
:pcs-time 333
:si-vis-utilization 2965
:al-overhead-at-end 243
:internal-dur-at-end 319
:dark-offset NIL
:dark-utilization 0
:max-dark-utilization 1920
:low-sky "N"
:pcs-visibility 3298
:pcs-gap 0
)true10189,000 counts/s. Source not variable. ET 226s minimum (STIS.sp.1038634)The scheduling data was generated by CASM 25.2.CASM was run in Phase II mode.Orient constraints to avoid HD 206267 B (V~13.3, 1.8" away), LS III +57 14 / TYC 3975-1823-1, and narrowed down to align the slit along PA = 248, which is the orientation of the binary composing our target HD 206267.154306499200093.0(Tic-Visit
:proposal-id 15335
:visit-id "23"
:proposal-version -1
:trans-version "20170613"
:date "14-Mar-2018 12:22:13.0"
:trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0
:FATAL-ERRORS 0 :CONTINUABLE-FATALS 0)
:number-of-orbits 1
:saa-model "24"
:si-bright-earth-limb-angle 20.0
:data-volume 88000
:tdrss-contact-duration 0
:coron NIL
)
(Tic-Obset
:proposal-id 15335
:visit-id "23"
:obset-id "23"
:pcs-mode "FGS"
)
(Tic-Orbit
:proposal-id 15335
:visit-id "23"
:orbit-number 1
:pcs-time 333
:si-vis-utilization 3116
:al-overhead-at-end 243
:internal-dur-at-end 319
:dark-offset NIL
:dark-utilization 0
:max-dark-utilization 1920
:low-sky "N"
:pcs-visibility 3449
:pcs-gap 0
)true10116,000 counts/s. Source not variable. ET 400 minimum (STIS.sp.1038639)The scheduling data was generated by CASM 25.2.CASM was run in Phase II mode.1534703844000177.509549465176(Tic-Visit
:proposal-id 15335
:visit-id "24"
:proposal-version -1
:trans-version "20170613"
:date "14-Mar-2018 12:24:24.0"
:trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0
:FATAL-ERRORS 0 :CONTINUABLE-FATALS 0)
:number-of-orbits 1
:saa-model "24"
:si-bright-earth-limb-angle 20.0
:data-volume 88560
:tdrss-contact-duration 0
:coron NIL
)
(Tic-Obset
:proposal-id 15335
:visit-id "24"
:obset-id "24"
:pcs-mode "FGS"
)
(Tic-Orbit
:proposal-id 15335
:visit-id "24"
:orbit-number 1
:pcs-time 333
:si-vis-utilization 3138
:al-overhead-at-end 194
:internal-dur-at-end 319
:dark-offset NIL
:dark-utilization 0
:max-dark-utilization 1920
:low-sky "N"
:pcs-visibility 3471
:pcs-gap 0
)true10Assuming O9V spectral type. 127,000 counts/s. Source not variable ET 400s minimum (STIS.sp.1038648)The scheduling data was generated by CASM 25.2.CASM was run in Phase II mode.1552778649000269.8466621589291(Tic-Visit
:proposal-id 15335
:visit-id "25"
:proposal-version -1
:trans-version "20181130"
:date "05-Dec-2018 15:29:33.0"
:trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0
:FATAL-ERRORS 0 :CONTINUABLE-FATALS 0)
:number-of-orbits 2
:saa-model "24"
:si-bright-earth-limb-angle 20.0
:data-volume 174448
:tdrss-contact-duration 0
:coron NIL
)
(Tic-Obset
:proposal-id 15335
:visit-id "25"
:obset-id "25"
:pcs-mode "FGS"
)
(Tic-Orbit
:proposal-id 15335
:visit-id "25"
:orbit-number 1
:pcs-time 333
:si-vis-utilization 2816
:al-overhead-at-end 194
:internal-dur-at-end 0
:dark-offset NIL
:dark-utilization 0
:max-dark-utilization 1920
:low-sky "N"
:pcs-visibility 3149
:pcs-gap 0
)
(Tic-Orbit
:proposal-id 15335
:visit-id "25"
:orbit-number 2
:pcs-time 302
:si-vis-utilization 2847
:al-overhead-at-end 194
:internal-dur-at-end 319
:dark-offset NIL
:dark-utilization 0
:max-dark-utilization 1920
:low-sky "N"
:pcs-visibility 3149
:pcs-gap 0
)true20First spectral series
Total ET 5323s between the two spectral series (total S/N~31)Second spectral series
Total ET 5323s between the two spectral series
The exposure time of 2957s is above the recommended 2300s interval for wavecal calibration. However, we note that the thermal drifts are small, of the order of 0.1 pix/hr (IHB 11.2.1). In addition, the slit used for the spectra and the wavecal are identical here, and therefore there is no additional small uncertainty due to the wheel movement (up to 0.1 high resolution MAMA pixels). Thus, we consider the wavecal interval acceptable.