Exposure
ID
GRAVI.2021-01-06T02:23:32.483_2
Header ID
GRAVI.2021-01-06T02:23:32.483
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 02:23:32.483
UTC End
2021-01-06 02:24:01.283
MJD Start
59220.09968152
MJD End
59220.1000148533
Exposure time (s)
28.8
Validation level
1
Tau 0: Coherence time (s)
0.016047
Ambient temperature (°C)
11.98
Seeing (arcsec)
0.36
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 53.4670 53.5070 28.4000 28.5000
U1-U3 97.6220 97.7050 34.9000 35.0000
U1-U4 128.5220 128.6070 62.4710 62.5020
U2-U3 44.9130 44.9520 42.7000 42.7000
U2-U4 89.3950 89.4060 82.0450 82.0580
U3-U4 61.6450 61.5990 109.5640 109.5910
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 59220.09968152
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 68.0
HIERARCH ESO DET2 SEQ1 DIT 0.3
HIERARCH ESO DET2 NDIT 96
HIERARCH ESO ISS PBL12 START 53.467
HIERARCH ESO ISS PBL12 END 53.507
HIERARCH ESO ISS PBLA12 START 28.4
HIERARCH ESO ISS PBLA12 END 28.5
HIERARCH ESO ISS PBL13 START 97.622
HIERARCH ESO ISS PBL13 END 97.705
HIERARCH ESO ISS PBLA13 START 34.9
HIERARCH ESO ISS PBLA13 END 35.0
HIERARCH ESO ISS PBL14 START 128.522
HIERARCH ESO ISS PBL14 END 128.607
HIERARCH ESO ISS PBLA14 START 62.471
HIERARCH ESO ISS PBLA14 END 62.502
HIERARCH ESO ISS PBL23 START 44.913
HIERARCH ESO ISS PBL23 END 44.952
HIERARCH ESO ISS PBLA23 START 42.7
HIERARCH ESO ISS PBLA23 END 42.7
HIERARCH ESO ISS PBL24 START 89.395
HIERARCH ESO ISS PBL24 END 89.406
HIERARCH ESO ISS PBLA24 START 82.045
HIERARCH ESO ISS PBLA24 END 82.058
HIERARCH ESO ISS PBL34 START 61.645
HIERARCH ESO ISS PBL34 END 61.599
HIERARCH ESO ISS PBLA34 START 109.564
HIERARCH ESO ISS PBLA34 END 109.591
HIERARCH ESO ISS AMBI TAU0 START 0.016047
HIERARCH ESO ISS AMBI TAU0 END 0.016047
HIERARCH ESO ISS AMBI TEMP 11.98
HIERARCH ESO ISS AMBI FWHM START 0.32
HIERARCH ESO ISS AMBI FWHM END 0.4
HIERARCH ESO FT ROBJ NAME 51Eri
HIERARCH ESO FT ROBJ ALPHA 043736.132
HIERARCH ESO FT ROBJ DELTA -022824.778