Exposure
ID
GRAVI.2021-01-06T01:07:59.293_1
Header ID
GRAVI.2021-01-06T01:07:59.293
Date updated
2021-01-06 01:21:23 UTC+0000
Release date
2022-01-06 01:21:23 UTC+0000
UTC Start
2021-01-06 01:07:59.293
UTC End
2021-01-06 01:13:19.293
MJD Start
59220.04721404
MJD End
59220.0509177437
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.0141745
Ambient temperature (°C)
11.29
Seeing (arcsec)
0.61
Observation
ID
46111
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
34730
Name
51erib
RA
69.402777
DEC
-2.47372
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
LOW-SPLIT
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 50.4380 50.6610 20.2000 20.9000
U1-U3 90.8620 91.4060 27.3000 28.0000
U1-U4 117.2630 118.4500 58.6990 59.1080
U2-U3 41.2850 41.6020 36.0000 36.6000
U2-U4 83.8800 84.6210 80.6790 80.8220
U3-U4 61.7740 61.9770 108.7120 108.7090
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 59220.04721404
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 50.438
HIERARCH ESO ISS PBL12 END 50.661
HIERARCH ESO ISS PBLA12 START 20.2
HIERARCH ESO ISS PBLA12 END 20.9
HIERARCH ESO ISS PBL13 START 90.862
HIERARCH ESO ISS PBL13 END 91.406
HIERARCH ESO ISS PBLA13 START 27.3
HIERARCH ESO ISS PBLA13 END 28.0
HIERARCH ESO ISS PBL14 START 117.263
HIERARCH ESO ISS PBL14 END 118.45
HIERARCH ESO ISS PBLA14 START 58.699
HIERARCH ESO ISS PBLA14 END 59.108
HIERARCH ESO ISS PBL23 START 41.285
HIERARCH ESO ISS PBL23 END 41.602
HIERARCH ESO ISS PBLA23 START 36.0
HIERARCH ESO ISS PBLA23 END 36.6
HIERARCH ESO ISS PBL24 START 83.88
HIERARCH ESO ISS PBL24 END 84.621
HIERARCH ESO ISS PBLA24 START 80.679
HIERARCH ESO ISS PBLA24 END 80.822
HIERARCH ESO ISS PBL34 START 61.774
HIERARCH ESO ISS PBL34 END 61.977
HIERARCH ESO ISS PBLA34 START 108.712
HIERARCH ESO ISS PBLA34 END 108.709
HIERARCH ESO ISS AMBI TAU0 START 0.014216
HIERARCH ESO ISS AMBI TAU0 END 0.014133
HIERARCH ESO ISS AMBI TEMP 11.29
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.53
HIERARCH ESO FT ROBJ NAME 51Eri
HIERARCH ESO FT ROBJ ALPHA 043736.132
HIERARCH ESO FT ROBJ DELTA -022824.778