Exposure
ID
GRAVI.2022-01-23T05:45:19.508_1
Header ID
GRAVI.2022-01-23T05:45:19.508
Date updated
2022-01-23 05:56:05 UTC+0000
Release date
2023-01-23 05:56:05 UTC+0000
UTC Start
2022-01-23 05:45:19.508
UTC End
2022-01-23 05:46:23.508
MJD Start
59602.23980912
MJD End
59602.24054986074
Exposure time (s)
64.0
Validation level
1
Tau 0: Coherence time (s)
0.018929500000000002
Ambient temperature (°C)
13.93
Seeing (arcsec)
0.28
Observation
ID
49354
Category
science
Program ID
1104.C-0651(B)
Program Title
AN INTERFEROMETRIC SURVEY OF THE DYNAMICS AND CHEMICAL COMPOSITION OF DIRECTLY IMAGED EXOPLANETS
Program Type
DDT
PI / COI
LACOUR/ NOWAK/ WANG/ MOLLI`ERE/ CHOQUET/ PUEYO/ GREENBAUM/ WARD-DUONG/ BONNEFOY/ RAMEAU/ CHARNAY/ BOCCALETTI/ PETRUS/ BERGER/ LE BOUQUIN/ MONNIER/ GARDNER/ BENISTY/ GIRARD/ PALADINI/ MULLER/ KEPPLER/ LAGRANGE/ MOUILLET/ PERRIN/ KERVELLA/ ...
Target
ID
36924
Name
HD91881B
RA
159.021188
DEC
-26.6756
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 56.3620 56.3690 16.1000 16.3000
U1-U3 101.7250 101.7500 22.2000 22.4000
U1-U4 126.2370 126.3690 49.7280 49.9370
U2-U3 46.0650 46.0850 29.6000 29.8000
U2-U4 85.1930 85.3330 71.1960 71.3860
U3-U4 59.2210 59.3260 102.2660 102.4020
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 1104.C-0651(B)
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 59602.23980912
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD91881
HIERARCH ESO INS SOBJ NAME HD91881B
RA 159.021188
DEC -26.6756
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 86.0
HIERARCH ESO DET2 SEQ1 DIT 1.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 56.362
HIERARCH ESO ISS PBL12 END 56.369
HIERARCH ESO ISS PBLA12 START 16.1
HIERARCH ESO ISS PBLA12 END 16.3
HIERARCH ESO ISS PBL13 START 101.725
HIERARCH ESO ISS PBL13 END 101.75
HIERARCH ESO ISS PBLA13 START 22.2
HIERARCH ESO ISS PBLA13 END 22.4
HIERARCH ESO ISS PBL14 START 126.237
HIERARCH ESO ISS PBL14 END 126.369
HIERARCH ESO ISS PBLA14 START 49.728
HIERARCH ESO ISS PBLA14 END 49.937
HIERARCH ESO ISS PBL23 START 46.065
HIERARCH ESO ISS PBL23 END 46.085
HIERARCH ESO ISS PBLA23 START 29.6
HIERARCH ESO ISS PBLA23 END 29.8
HIERARCH ESO ISS PBL24 START 85.193
HIERARCH ESO ISS PBL24 END 85.333
HIERARCH ESO ISS PBLA24 START 71.196
HIERARCH ESO ISS PBLA24 END 71.386
HIERARCH ESO ISS PBL34 START 59.221
HIERARCH ESO ISS PBL34 END 59.326
HIERARCH ESO ISS PBLA34 START 102.266
HIERARCH ESO ISS PBLA34 END 102.402
HIERARCH ESO ISS AMBI TAU0 START 0.018729
HIERARCH ESO ISS AMBI TAU0 END 0.01913
HIERARCH ESO ISS AMBI TEMP 13.93
HIERARCH ESO ISS AMBI FWHM START 0.29
HIERARCH ESO ISS AMBI FWHM END 0.27
HIERARCH ESO FT ROBJ NAME HD91881
HIERARCH ESO FT ROBJ ALPHA 103604.507
HIERARCH ESO FT ROBJ DELTA -264031.733