Exposure
ID
GRAVI.2021-01-06T01:42:38.380_2
Header ID
GRAVI.2021-01-06T01:42:38.380
Date updated
2021-01-06 02:00:38 UTC+0000
Release date
2022-01-06 02:00:38 UTC+0000
UTC Start
2021-01-06 01:42:38.380
UTC End
2021-01-06 01:47:58.380
MJD Start
59220.07127755
MJD End
59220.0749812537
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.0139505
Ambient temperature (°C)
12.19
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 51.8260 52.0610 24.4000 25.0000
U1-U3 94.1180 94.6430 31.3000 31.9000
U1-U4 123.6460 124.5160 60.8380 61.1220
U2-U3 43.1200 43.4010 39.6000 40.1000
U2-U4 87.5640 87.9900 81.4350 81.5380
U3-U4 62.4700 62.4620 108.8620 108.9260
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 59220.07127755
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 51.826
HIERARCH ESO ISS PBL12 END 52.061
HIERARCH ESO ISS PBLA12 START 24.4
HIERARCH ESO ISS PBLA12 END 25.0
HIERARCH ESO ISS PBL13 START 94.118
HIERARCH ESO ISS PBL13 END 94.643
HIERARCH ESO ISS PBLA13 START 31.3
HIERARCH ESO ISS PBLA13 END 31.9
HIERARCH ESO ISS PBL14 START 123.646
HIERARCH ESO ISS PBL14 END 124.516
HIERARCH ESO ISS PBLA14 START 60.838
HIERARCH ESO ISS PBLA14 END 61.122
HIERARCH ESO ISS PBL23 START 43.12
HIERARCH ESO ISS PBL23 END 43.401
HIERARCH ESO ISS PBLA23 START 39.6
HIERARCH ESO ISS PBLA23 END 40.1
HIERARCH ESO ISS PBL24 START 87.564
HIERARCH ESO ISS PBL24 END 87.99
HIERARCH ESO ISS PBLA24 START 81.435
HIERARCH ESO ISS PBLA24 END 81.538
HIERARCH ESO ISS PBL34 START 62.47
HIERARCH ESO ISS PBL34 END 62.462
HIERARCH ESO ISS PBLA34 START 108.862
HIERARCH ESO ISS PBLA34 END 108.926
HIERARCH ESO ISS AMBI TAU0 START 0.01237
HIERARCH ESO ISS AMBI TAU0 END 0.015531
HIERARCH ESO ISS AMBI TEMP 12.19
HIERARCH ESO ISS AMBI FWHM START 0.38
HIERARCH ESO ISS AMBI FWHM END 0.33
HIERARCH ESO FT ROBJ NAME 51Eri
HIERARCH ESO FT ROBJ ALPHA 043736.132
HIERARCH ESO FT ROBJ DELTA -022824.778