Exposure
ID
GRAVI.2023-05-10T02:14:00.460_1
Header ID
GRAVI.2023-05-10T02:14:00.460
Date updated
2023-05-23 13:30:24 UTC+0000
Release date
2024-05-23 13:02:02 UTC+0000
UTC Start
2023-05-10 02:14:00.460
UTC End
2023-05-10 02:14:29.260
MJD Start
60074.09306088
MJD End
60074.0933942133
Exposure time (s)
28.8
Validation level
1
Tau 0: Coherence time (s)
0.0080345
Ambient temperature (°C)
14.98
Seeing (arcsec)
0.815
Observation
ID
55557
Category
science
Program ID
1104.C-0651(G)
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
40988
Name
HD91881B
RA
159.021474
DEC
-26.67543
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 54.1770 54.1450 36.5000 36.5000
U1-U3 96.7970 96.7230 42.7000 42.7000
U1-U4 116.2610 116.0790 72.0290 72.0940
U2-U3 43.3260 43.2830 50.4000 50.4000
U2-U4 78.7440 78.6070 95.5970 95.7010
U3-U4 57.1980 57.1340 128.1200 128.2650
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 1104.C-0651(G)
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60074.09306088
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD91881
HIERARCH ESO INS SOBJ NAME HD91881B
RA 159.021474
DEC -26.67543
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 55.0
HIERARCH ESO DET2 SEQ1 DIT 0.3
HIERARCH ESO DET2 NDIT 96
HIERARCH ESO ISS PBL12 START 54.177
HIERARCH ESO ISS PBL12 END 54.145
HIERARCH ESO ISS PBLA12 START 36.5
HIERARCH ESO ISS PBLA12 END 36.5
HIERARCH ESO ISS PBL13 START 96.797
HIERARCH ESO ISS PBL13 END 96.723
HIERARCH ESO ISS PBLA13 START 42.7
HIERARCH ESO ISS PBLA13 END 42.7
HIERARCH ESO ISS PBL14 START 116.261
HIERARCH ESO ISS PBL14 END 116.079
HIERARCH ESO ISS PBLA14 START 72.029
HIERARCH ESO ISS PBLA14 END 72.094
HIERARCH ESO ISS PBL23 START 43.326
HIERARCH ESO ISS PBL23 END 43.283
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 78.744
HIERARCH ESO ISS PBL24 END 78.607
HIERARCH ESO ISS PBLA24 START 95.597
HIERARCH ESO ISS PBLA24 END 95.701
HIERARCH ESO ISS PBL34 START 57.198
HIERARCH ESO ISS PBL34 END 57.134
HIERARCH ESO ISS PBLA34 START 128.12
HIERARCH ESO ISS PBLA34 END 128.265
HIERARCH ESO ISS AMBI TAU0 START 0.007811
HIERARCH ESO ISS AMBI TAU0 END 0.008258
HIERARCH ESO ISS AMBI TEMP 14.98
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.81
HIERARCH ESO FT ROBJ NAME HD91881
HIERARCH ESO FT ROBJ ALPHA 103604.507
HIERARCH ESO FT ROBJ DELTA -264031.733