Exposure
ID
GRAVI.2024-03-07T02:30:32.442_1
Header ID
GRAVI.2024-03-07T02:30:32.442
Date updated
2024-03-07 02:45:38 UTC+0000
Release date
2025-03-07 02:45:38 UTC+0000
UTC Start
2024-03-07 02:30:32.442
UTC End
2024-03-07 02:34:32.442
MJD Start
60376.10454215
MJD End
60376.1073199278
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.008249
Ambient temperature (°C)
16.86
Seeing (arcsec)
0.585
Observation
ID
58660
Category
science
Program ID
112.25Y8.001
Program Title
MUTUAL INCLINATIONS AND MASSES OF COMPACT GAIA TRIPLE SYSTEMS
Program Type
Normal
PI / COI
GARDNER/ TOKOVININ/ KRAUS/ LU
Target
ID
43424
Name
HD81157
RA
140.453963
DEC
-55.51428
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 86.3900 86.6530 106.4000 107.3000
A0-J2 128.5240 128.6570 85.7000 86.6000
A0-K0 127.4260 127.3060 67.0900 67.9370
G1-J2 56.6560 56.5420 53.1000 53.9000
G1-K0 81.6970 81.5230 24.9960 25.6070
J2-K0 41.4600 41.5270 344.9180 345.4350
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 112.25Y8.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60376.10454215
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 81157
HIERARCH ESO INS SOBJ NAME HD81157
RA 140.453963
DEC -55.51428
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 86.39
HIERARCH ESO ISS PBL12 END 86.653
HIERARCH ESO ISS PBLA12 START 106.4
HIERARCH ESO ISS PBLA12 END 107.3
HIERARCH ESO ISS PBL13 START 128.524
HIERARCH ESO ISS PBL13 END 128.657
HIERARCH ESO ISS PBLA13 START 85.7
HIERARCH ESO ISS PBLA13 END 86.6
HIERARCH ESO ISS PBL14 START 127.426
HIERARCH ESO ISS PBL14 END 127.306
HIERARCH ESO ISS PBLA14 START 67.09
HIERARCH ESO ISS PBLA14 END 67.937
HIERARCH ESO ISS PBL23 START 56.656
HIERARCH ESO ISS PBL23 END 56.542
HIERARCH ESO ISS PBLA23 START 53.1
HIERARCH ESO ISS PBLA23 END 53.9
HIERARCH ESO ISS PBL24 START 81.697
HIERARCH ESO ISS PBL24 END 81.523
HIERARCH ESO ISS PBLA24 START 24.996
HIERARCH ESO ISS PBLA24 END 25.607
HIERARCH ESO ISS PBL34 START 41.46
HIERARCH ESO ISS PBL34 END 41.527
HIERARCH ESO ISS PBLA34 START 344.918
HIERARCH ESO ISS PBLA34 END 345.435
HIERARCH ESO ISS AMBI TAU0 START 0.00722
HIERARCH ESO ISS AMBI TAU0 END 0.009278
HIERARCH ESO ISS AMBI TEMP 16.86
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.59