Exposure
ID
GRAVI.2022-09-15T09:42:28.804_2
Header ID
GRAVI.2022-09-15T09:42:28.804
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 09:42:28.804
UTC End
2022-09-15 09:43:32.804
MJD Start
59837.40450005
MJD End
59837.4052407907
Exposure time (s)
64.0
Validation level
1
Tau 0: Coherence time (s)
0.002398
Ambient temperature (°C)
11.8
Seeing (arcsec)
0.875
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 53.1790 53.2330 27.8000 27.9000
U1-U3 97.0340 97.1470 34.4000 34.5000
U1-U4 127.8720 128.0030 62.2490 62.2950
U2-U3 44.6270 44.6830 42.2000 42.3000
U2-U4 89.2720 89.3020 81.9630 81.9800
U3-U4 61.9230 61.8750 109.4000 109.4310
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 59837.40450005
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 53.179
HIERARCH ESO ISS PBL12 END 53.233
HIERARCH ESO ISS PBLA12 START 27.8
HIERARCH ESO ISS PBLA12 END 27.9
HIERARCH ESO ISS PBL13 START 97.034
HIERARCH ESO ISS PBL13 END 97.147
HIERARCH ESO ISS PBLA13 START 34.4
HIERARCH ESO ISS PBLA13 END 34.5
HIERARCH ESO ISS PBL14 START 127.872
HIERARCH ESO ISS PBL14 END 128.003
HIERARCH ESO ISS PBLA14 START 62.249
HIERARCH ESO ISS PBLA14 END 62.295
HIERARCH ESO ISS PBL23 START 44.627
HIERARCH ESO ISS PBL23 END 44.683
HIERARCH ESO ISS PBLA23 START 42.2
HIERARCH ESO ISS PBLA23 END 42.3
HIERARCH ESO ISS PBL24 START 89.272
HIERARCH ESO ISS PBL24 END 89.302
HIERARCH ESO ISS PBLA24 START 81.963
HIERARCH ESO ISS PBLA24 END 81.98
HIERARCH ESO ISS PBL34 START 61.923
HIERARCH ESO ISS PBL34 END 61.875
HIERARCH ESO ISS PBLA34 START 109.4
HIERARCH ESO ISS PBLA34 END 109.431
HIERARCH ESO ISS AMBI TAU0 START 0.002368
HIERARCH ESO ISS AMBI TAU0 END 0.002428
HIERARCH ESO ISS AMBI TEMP 11.8
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.86
HIERARCH ESO FT ROBJ NAME 51Eri
HIERARCH ESO FT ROBJ ALPHA 043736.132
HIERARCH ESO FT ROBJ DELTA -022824.778