Exposure
ID
GRAVI.2022-09-24T04:33:38.661_1
Header ID
GRAVI.2022-09-24T04:33:38.661
Date updated
2022-09-24 04:45:54 UTC+0000
Release date
2023-09-24 04:45:54 UTC+0000
UTC Start
2022-09-24 04:33:38.661
UTC End
2022-09-24 04:37:38.661
MJD Start
59846.1900308
MJD End
59846.1928085778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0056935
Ambient temperature (°C)
8.71
Seeing (arcsec)
0.835
Observation
ID
52494
Category
science
Program ID
109.22XY.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART II
Program Type
Normal
PI / COI
GALLENNE/ PIETRZYNSKI/ GRACZYK/ PILECKI/ GIEREN/ KERVELLA/ MÉRAND
Target
ID
39016
Name
zeta_Hor
RA
40.165344
DEC
-54.54988
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G2 68.1840 68.1620 25.4000 26.3000
A0-D0 31.5440 31.5820 40.9000 41.9000
A0-J3 131.4910 131.4250 22.0600 22.8600
G2-D0 38.7160 38.6910 192.9000 193.6000
G2-J3 63.5500 63.5110 18.4520 19.2180
D0-J3 102.1510 102.0840 16.3320 17.0780
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 109.22XY.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59846.1900308
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME zeta Hor
HIERARCH ESO INS SOBJ NAME zeta_Hor
RA 40.165344
DEC -54.54988
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
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 68.184
HIERARCH ESO ISS PBL12 END 68.162
HIERARCH ESO ISS PBLA12 START 25.4
HIERARCH ESO ISS PBLA12 END 26.3
HIERARCH ESO ISS PBL13 START 31.544
HIERARCH ESO ISS PBL13 END 31.582
HIERARCH ESO ISS PBLA13 START 40.9
HIERARCH ESO ISS PBLA13 END 41.9
HIERARCH ESO ISS PBL14 START 131.491
HIERARCH ESO ISS PBL14 END 131.425
HIERARCH ESO ISS PBLA14 START 22.06
HIERARCH ESO ISS PBLA14 END 22.86
HIERARCH ESO ISS PBL23 START 38.716
HIERARCH ESO ISS PBL23 END 38.691
HIERARCH ESO ISS PBLA23 START 192.9
HIERARCH ESO ISS PBLA23 END 193.6
HIERARCH ESO ISS PBL24 START 63.55
HIERARCH ESO ISS PBL24 END 63.511
HIERARCH ESO ISS PBLA24 START 18.452
HIERARCH ESO ISS PBLA24 END 19.218
HIERARCH ESO ISS PBL34 START 102.151
HIERARCH ESO ISS PBL34 END 102.084
HIERARCH ESO ISS PBLA34 START 16.332
HIERARCH ESO ISS PBLA34 END 17.078
HIERARCH ESO ISS AMBI TAU0 START 0.005745
HIERARCH ESO ISS AMBI TAU0 END 0.005642
HIERARCH ESO ISS AMBI TEMP 8.71
HIERARCH ESO ISS AMBI FWHM START 0.83
HIERARCH ESO ISS AMBI FWHM END 0.84