Exposure
ID
GRAVI.2021-11-21T02:18:42.923_1
Header ID
GRAVI.2021-11-21T02:18:42.923
Date updated
2021-11-21 02:30:32 UTC+0000
Release date
2022-11-21 02:30:32 UTC+0000
UTC Start
2021-11-21 02:18:42.923
UTC End
2021-11-21 02:22:42.923
MJD Start
59539.09633013
MJD End
59539.0991079078
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0030155
Ambient temperature (°C)
11.48
Seeing (arcsec)
0.64
Observation
ID
48766
Category
science
Program ID
108.221X.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART I
Program Type
Normal
PI / COI
GALLENNE/ PIETRZYNSKI/ GRACZYK/ PILECKI/ KERVELLA/ MÉRAND/ GIEREN
Target
ID
36524
Name
HD9312
RA
23.013646
DEC
16.94628
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 68.2940 68.2350 270.8000 270.5000
K0-D0 94.1170 94.4260 255.3000 255.0000
K0-J3 45.1830 44.8440 325.9750 326.3090
G2-D0 33.7010 33.9570 222.4000 222.6000
G2-J3 56.3980 56.8170 49.6910 49.7410
D0-J3 89.9300 90.6090 46.9810 47.0730
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 108.221X.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59539.09633013
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 9312
HIERARCH ESO INS SOBJ NAME HD9312
RA 23.013646
DEC 16.94628
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 68.294
HIERARCH ESO ISS PBL12 END 68.235
HIERARCH ESO ISS PBLA12 START 270.8
HIERARCH ESO ISS PBLA12 END 270.5
HIERARCH ESO ISS PBL13 START 94.117
HIERARCH ESO ISS PBL13 END 94.426
HIERARCH ESO ISS PBLA13 START 255.3
HIERARCH ESO ISS PBLA13 END 255.0
HIERARCH ESO ISS PBL14 START 45.183
HIERARCH ESO ISS PBL14 END 44.844
HIERARCH ESO ISS PBLA14 START 325.975
HIERARCH ESO ISS PBLA14 END 326.309
HIERARCH ESO ISS PBL23 START 33.701
HIERARCH ESO ISS PBL23 END 33.957
HIERARCH ESO ISS PBLA23 START 222.4
HIERARCH ESO ISS PBLA23 END 222.6
HIERARCH ESO ISS PBL24 START 56.398
HIERARCH ESO ISS PBL24 END 56.817
HIERARCH ESO ISS PBLA24 START 49.691
HIERARCH ESO ISS PBLA24 END 49.741
HIERARCH ESO ISS PBL34 START 89.93
HIERARCH ESO ISS PBL34 END 90.609
HIERARCH ESO ISS PBLA34 START 46.981
HIERARCH ESO ISS PBLA34 END 47.073
HIERARCH ESO ISS AMBI TAU0 START 0.002825
HIERARCH ESO ISS AMBI TAU0 END 0.003206
HIERARCH ESO ISS AMBI TEMP 11.48
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.61