Exposure
ID
GRAVI.2022-02-20T06:20:42.105_1
Header ID
GRAVI.2022-02-20T06:20:42.105
Date updated
2022-02-20 06:25:59 UTC+0000
Release date
2023-02-20 06:25:59 UTC+0000
UTC Start
2022-02-20 06:20:42.105
UTC End
2022-02-20 06:21:10.905
MJD Start
59630.26437622
MJD End
59630.26470955333
Exposure time (s)
28.8
Validation level
1
Tau 0: Coherence time (s)
0.012464
Ambient temperature (°C)
12.78
Seeing (arcsec)
0.635
Observation
ID
49570
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
37098
Name
HD91881B
RA
159.021193
DEC
-26.67593
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 55.9030 55.8870 32.0000 32.1000
U1-U3 100.9000 100.8630 38.3000 38.4000
U1-U4 126.5670 126.4710 66.7110 66.7900
U2-U3 45.7510 45.7280 46.0000 46.1000
U2-U4 86.6830 86.6080 88.2640 88.3610
U3-U4 61.1210 61.0820 118.4790 118.5960
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 59630.26437622
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD91881
HIERARCH ESO INS SOBJ NAME HD91881B
RA 159.021193
DEC -26.67593
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 55.903
HIERARCH ESO ISS PBL12 END 55.887
HIERARCH ESO ISS PBLA12 START 32.0
HIERARCH ESO ISS PBLA12 END 32.1
HIERARCH ESO ISS PBL13 START 100.9
HIERARCH ESO ISS PBL13 END 100.863
HIERARCH ESO ISS PBLA13 START 38.3
HIERARCH ESO ISS PBLA13 END 38.4
HIERARCH ESO ISS PBL14 START 126.567
HIERARCH ESO ISS PBL14 END 126.471
HIERARCH ESO ISS PBLA14 START 66.711
HIERARCH ESO ISS PBLA14 END 66.79
HIERARCH ESO ISS PBL23 START 45.751
HIERARCH ESO ISS PBL23 END 45.728
HIERARCH ESO ISS PBLA23 START 46.0
HIERARCH ESO ISS PBLA23 END 46.1
HIERARCH ESO ISS PBL24 START 86.683
HIERARCH ESO ISS PBL24 END 86.608
HIERARCH ESO ISS PBLA24 START 88.264
HIERARCH ESO ISS PBLA24 END 88.361
HIERARCH ESO ISS PBL34 START 61.121
HIERARCH ESO ISS PBL34 END 61.082
HIERARCH ESO ISS PBLA34 START 118.479
HIERARCH ESO ISS PBLA34 END 118.596
HIERARCH ESO ISS AMBI TAU0 START 0.013021
HIERARCH ESO ISS AMBI TAU0 END 0.011907
HIERARCH ESO ISS AMBI TEMP 12.78
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.66
HIERARCH ESO FT ROBJ NAME HD91881
HIERARCH ESO FT ROBJ ALPHA 103604.507
HIERARCH ESO FT ROBJ DELTA -264031.733