Exposure
ID
GRAVI.2022-09-15T09:44:10.809_2
Header ID
GRAVI.2022-09-15T09:44:10.809
Date updated
2022-09-15 09:51:48 UTC+0000
Release date
2023-09-15 09:51:48 UTC+0000
UTC Start
2022-09-15 09:44:10.809
UTC End
2022-09-15 09:45:14.809
MJD Start
59837.40568066
MJD End
59837.4064214007
Exposure time (s)
64.0
Validation level
1
Tau 0: Coherence time (s)
0.0024005
Ambient temperature (°C)
11.79
Seeing (arcsec)
0.85
Observation
ID
52379
Category
science
Program ID
1104.C-0651(F)
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
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 53.2460 53.3010 27.9000 28.0000
U1-U3 97.1740 97.2860 34.5000 34.6000
U1-U4 128.0340 128.1610 62.3050 62.3500
U2-U3 44.6960 44.7500 42.3000 42.4000
U2-U4 89.3090 89.3350 81.9850 82.0020
U3-U4 61.8630 61.8120 109.4390 109.4700
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 1104.C-0651(F)
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 59837.40568066
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME 51Eri
HIERARCH ESO INS SOBJ NAME 51Eri
RA 69.402854
DEC -2.47366
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 53.246
HIERARCH ESO ISS PBL12 END 53.301
HIERARCH ESO ISS PBLA12 START 27.9
HIERARCH ESO ISS PBLA12 END 28.0
HIERARCH ESO ISS PBL13 START 97.174
HIERARCH ESO ISS PBL13 END 97.286
HIERARCH ESO ISS PBLA13 START 34.5
HIERARCH ESO ISS PBLA13 END 34.6
HIERARCH ESO ISS PBL14 START 128.034
HIERARCH ESO ISS PBL14 END 128.161
HIERARCH ESO ISS PBLA14 START 62.305
HIERARCH ESO ISS PBLA14 END 62.35
HIERARCH ESO ISS PBL23 START 44.696
HIERARCH ESO ISS PBL23 END 44.75
HIERARCH ESO ISS PBLA23 START 42.3
HIERARCH ESO ISS PBLA23 END 42.4
HIERARCH ESO ISS PBL24 START 89.309
HIERARCH ESO ISS PBL24 END 89.335
HIERARCH ESO ISS PBLA24 START 81.985
HIERARCH ESO ISS PBLA24 END 82.002
HIERARCH ESO ISS PBL34 START 61.863
HIERARCH ESO ISS PBL34 END 61.812
HIERARCH ESO ISS PBLA34 START 109.439
HIERARCH ESO ISS PBLA34 END 109.47
HIERARCH ESO ISS AMBI TAU0 START 0.002428
HIERARCH ESO ISS AMBI TAU0 END 0.002373
HIERARCH ESO ISS AMBI TEMP 11.79
HIERARCH ESO ISS AMBI FWHM START 0.86
HIERARCH ESO ISS AMBI FWHM END 0.84
HIERARCH ESO FT ROBJ NAME 51Eri
HIERARCH ESO FT ROBJ ALPHA 043736.132
HIERARCH ESO FT ROBJ DELTA -022824.778