Exposure
ID
GRAVI.2022-02-20T06:21:54.109_1
Header ID
GRAVI.2022-02-20T06:21:54.109
Date updated
2022-02-20 06:30:48 UTC+0000
Release date
2023-02-20 06:30:48 UTC+0000
UTC Start
2022-02-20 06:21:54.109
UTC End
2022-02-20 06:22:22.909
MJD Start
59630.26520959
MJD End
59630.26554292333
Exposure time (s)
28.8
Validation level
1
Tau 0: Coherence time (s)
0.011938
Ambient temperature (°C)
12.77
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 55.8810 55.8660 32.1000 32.2000
U1-U3 100.8480 100.8120 38.4000 38.5000
U1-U4 126.4340 126.3400 66.8210 66.8970
U2-U3 45.7200 45.6980 46.1000 46.2000
U2-U4 86.5790 86.5060 88.3980 88.4910
U3-U4 61.0670 61.0290 118.6420 118.7550
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 59630.26520959
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 55.881
HIERARCH ESO ISS PBL12 END 55.866
HIERARCH ESO ISS PBLA12 START 32.1
HIERARCH ESO ISS PBLA12 END 32.2
HIERARCH ESO ISS PBL13 START 100.848
HIERARCH ESO ISS PBL13 END 100.812
HIERARCH ESO ISS PBLA13 START 38.4
HIERARCH ESO ISS PBLA13 END 38.5
HIERARCH ESO ISS PBL14 START 126.434
HIERARCH ESO ISS PBL14 END 126.34
HIERARCH ESO ISS PBLA14 START 66.821
HIERARCH ESO ISS PBLA14 END 66.897
HIERARCH ESO ISS PBL23 START 45.72
HIERARCH ESO ISS PBL23 END 45.698
HIERARCH ESO ISS PBLA23 START 46.1
HIERARCH ESO ISS PBLA23 END 46.2
HIERARCH ESO ISS PBL24 START 86.579
HIERARCH ESO ISS PBL24 END 86.506
HIERARCH ESO ISS PBLA24 START 88.398
HIERARCH ESO ISS PBLA24 END 88.491
HIERARCH ESO ISS PBL34 START 61.067
HIERARCH ESO ISS PBL34 END 61.029
HIERARCH ESO ISS PBLA34 START 118.642
HIERARCH ESO ISS PBLA34 END 118.755
HIERARCH ESO ISS AMBI TAU0 START 0.011907
HIERARCH ESO ISS AMBI TAU0 END 0.011969
HIERARCH ESO ISS AMBI TEMP 12.77
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.61
HIERARCH ESO FT ROBJ NAME HD91881
HIERARCH ESO FT ROBJ ALPHA 103604.507
HIERARCH ESO FT ROBJ DELTA -264031.733