Exposure
ID
GRAVI.2024-04-28T06:59:11.642_1
Header ID
GRAVI.2024-04-28T06:59:11.642
Date updated
2024-04-28 07:10:39 UTC+0000
Release date
2025-04-28 07:10:39 UTC+0000
UTC Start
2024-04-28 06:59:11.642
UTC End
2024-04-28 07:01:51.642
MJD Start
60428.29110697
MJD End
60428.292958821854
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003887
Ambient temperature (°C)
16.79
Seeing (arcsec)
0.76
Observation
ID
58987
Category
science
Program ID
113.26A2.001
Program Title
ORBITAL AND SPECTRAL CHARACTERISATION OF A UNIQUE QUADRUPLE (OR QUINTUPLE?) SYSTEM
Program Type
Normal
PI / COI
VISWANATH / JANSON / LACOUR / SQUICCIARINI / CHOMEZ / DELORME / RINGQVIST / LAGRANGE / CHAUVIN / VIGAN
Target
ID
43671
Name
HIP_81208_B
RA
248.810395
DEC
-35.72483
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 55.5750 55.5250 27.3000 27.7000
U1-U3 100.7980 100.6930 33.8000 34.1000
U1-U4 129.2800 129.1350 61.9230 62.3100
U2-U3 45.9970 45.9430 41.5000 41.9000
U2-U4 89.2880 89.2320 82.6140 83.0300
U3-U4 62.4130 62.4360 111.5720 111.9840
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26A2.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60428.29110697
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HIP 81208
HIERARCH ESO INS SOBJ NAME HIP_81208_B
RA 248.810395
DEC -35.72483
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 176.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 55.575
HIERARCH ESO ISS PBL12 END 55.525
HIERARCH ESO ISS PBLA12 START 27.3
HIERARCH ESO ISS PBLA12 END 27.7
HIERARCH ESO ISS PBL13 START 100.798
HIERARCH ESO ISS PBL13 END 100.693
HIERARCH ESO ISS PBLA13 START 33.8
HIERARCH ESO ISS PBLA13 END 34.1
HIERARCH ESO ISS PBL14 START 129.28
HIERARCH ESO ISS PBL14 END 129.135
HIERARCH ESO ISS PBLA14 START 61.923
HIERARCH ESO ISS PBLA14 END 62.31
HIERARCH ESO ISS PBL23 START 45.997
HIERARCH ESO ISS PBL23 END 45.943
HIERARCH ESO ISS PBLA23 START 41.5
HIERARCH ESO ISS PBLA23 END 41.9
HIERARCH ESO ISS PBL24 START 89.288
HIERARCH ESO ISS PBL24 END 89.232
HIERARCH ESO ISS PBLA24 START 82.614
HIERARCH ESO ISS PBLA24 END 83.03
HIERARCH ESO ISS PBL34 START 62.413
HIERARCH ESO ISS PBL34 END 62.436
HIERARCH ESO ISS PBLA34 START 111.572
HIERARCH ESO ISS PBLA34 END 111.984
HIERARCH ESO ISS AMBI TAU0 START 0.004068
HIERARCH ESO ISS AMBI TAU0 END 0.003706
HIERARCH ESO ISS AMBI TEMP 16.79
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.85
HIERARCH ESO FT ROBJ NAME HIP_81208
HIERARCH ESO FT ROBJ ALPHA 163513.839
HIERARCH ESO FT ROBJ DELTA -354328.725