Exposure
ID
GRAVI.2024-11-10T02:36:01.998_1
Header ID
GRAVI.2024-11-10T02:36:01.998
Date updated
2024-11-10 02:45:43 UTC+0000
Release date
2025-11-10 02:45:42 UTC+0000
UTC Start
2024-11-10 02:36:01.998
UTC End
2024-11-10 02:40:01.998
MJD Start
60624.10835646
MJD End
60624.1111342378
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.014876
Ambient temperature (°C)
15.2
Seeing (arcsec)
0.635
Observation
ID
61529
Category
science
Program ID
113.26BP.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART IV
Program Type
Normal
PI / COI
GALLENNE / PIETRZYNSKI / KERVELLA / MÉRAND / GIEREN / GRACZYK
Target
ID
45715
Name
HD_9939
RA
24.353255
DEC
25.16662
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 68.1360 68.2160 273.7000 273.3000
K0-D0 90.1760 90.7030 259.9000 259.5000
K0-J3 43.7620 43.3790 320.3660 320.5220
G2-D0 29.0460 29.3720 225.7000 225.9000
G2-J3 49.6230 50.1730 53.8670 53.8750
D0-J3 78.4820 79.3640 50.8470 50.9140
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26BP.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60624.10835646
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD9939
HIERARCH ESO INS SOBJ NAME HD_9939
RA 24.353255
DEC 25.16662
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 68.136
HIERARCH ESO ISS PBL12 END 68.216
HIERARCH ESO ISS PBLA12 START 273.7
HIERARCH ESO ISS PBLA12 END 273.3
HIERARCH ESO ISS PBL13 START 90.176
HIERARCH ESO ISS PBL13 END 90.703
HIERARCH ESO ISS PBLA13 START 259.9
HIERARCH ESO ISS PBLA13 END 259.5
HIERARCH ESO ISS PBL14 START 43.762
HIERARCH ESO ISS PBL14 END 43.379
HIERARCH ESO ISS PBLA14 START 320.366
HIERARCH ESO ISS PBLA14 END 320.522
HIERARCH ESO ISS PBL23 START 29.046
HIERARCH ESO ISS PBL23 END 29.372
HIERARCH ESO ISS PBLA23 START 225.7
HIERARCH ESO ISS PBLA23 END 225.9
HIERARCH ESO ISS PBL24 START 49.623
HIERARCH ESO ISS PBL24 END 50.173
HIERARCH ESO ISS PBLA24 START 53.867
HIERARCH ESO ISS PBLA24 END 53.875
HIERARCH ESO ISS PBL34 START 78.482
HIERARCH ESO ISS PBL34 END 79.364
HIERARCH ESO ISS PBLA34 START 50.847
HIERARCH ESO ISS PBLA34 END 50.914
HIERARCH ESO ISS AMBI TAU0 START 0.015572
HIERARCH ESO ISS AMBI TAU0 END 0.01418
HIERARCH ESO ISS AMBI TEMP 15.2
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.61