Exposure
ID
GRAVI.2021-01-06T02:17:17.468_2
Header ID
GRAVI.2021-01-06T02:17:17.468
Date updated
2021-01-06 02:31:14 UTC+0000
Release date
2022-01-06 02:31:14 UTC+0000
UTC Start
2021-01-06 02:17:17.468
UTC End
2021-01-06 02:22:37.468
MJD Start
59220.09534106
MJD End
59220.0990447637
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.015526
Ambient temperature (°C)
12.02
Seeing (arcsec)
0.355
Observation
ID
46112
Category
science
Program ID
1104.C-0651(C)
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/ EISENHAUE...
Target
ID
33031
Name
51Eri
RA
69.40055
DEC
-2.47354944444444
Instrument
Interferometer
VLTI
Instrument
GRAVITY_FT
Instrument mode
LOW
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 53.2230 53.4450 27.8000 28.4000
U1-U3 97.1240 97.5780 34.4000 34.9000
U1-U4 127.9740 128.4760 62.2760 62.4540
U2-U3 44.6710 44.8910 42.3000 42.6000
U2-U4 89.2950 89.3890 81.9690 82.0390
U3-U4 61.8870 61.6680 109.4180 109.5510
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 1104.C-0651(C)
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 59220.09534106
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME 51Eri
HIERARCH ESO INS SOBJ NAME 51erib
RA 69.402777
DEC -2.47372
HIERARCH ESO INS SPEC RES LOW
HIERARCH ESO INS POLA MODE SPLIT
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 342.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 53.223
HIERARCH ESO ISS PBL12 END 53.445
HIERARCH ESO ISS PBLA12 START 27.8
HIERARCH ESO ISS PBLA12 END 28.4
HIERARCH ESO ISS PBL13 START 97.124
HIERARCH ESO ISS PBL13 END 97.578
HIERARCH ESO ISS PBLA13 START 34.4
HIERARCH ESO ISS PBLA13 END 34.9
HIERARCH ESO ISS PBL14 START 127.974
HIERARCH ESO ISS PBL14 END 128.476
HIERARCH ESO ISS PBLA14 START 62.276
HIERARCH ESO ISS PBLA14 END 62.454
HIERARCH ESO ISS PBL23 START 44.671
HIERARCH ESO ISS PBL23 END 44.891
HIERARCH ESO ISS PBLA23 START 42.3
HIERARCH ESO ISS PBLA23 END 42.6
HIERARCH ESO ISS PBL24 START 89.295
HIERARCH ESO ISS PBL24 END 89.389
HIERARCH ESO ISS PBLA24 START 81.969
HIERARCH ESO ISS PBLA24 END 82.039
HIERARCH ESO ISS PBL34 START 61.887
HIERARCH ESO ISS PBL34 END 61.668
HIERARCH ESO ISS PBLA34 START 109.418
HIERARCH ESO ISS PBLA34 END 109.551
HIERARCH ESO ISS AMBI TAU0 START 0.013975
HIERARCH ESO ISS AMBI TAU0 END 0.017077
HIERARCH ESO ISS AMBI TEMP 12.02
HIERARCH ESO ISS AMBI FWHM START 0.39
HIERARCH ESO ISS AMBI FWHM END 0.32
HIERARCH ESO FT ROBJ NAME 51Eri
HIERARCH ESO FT ROBJ ALPHA 043736.132
HIERARCH ESO FT ROBJ DELTA -022824.778