Exposure
ID
GRAVI.2021-01-06T02:06:11.440_1
Header ID
GRAVI.2021-01-06T02:06:11.440
Date updated
2021-01-06 02:15:56 UTC+0000
Release date
2022-01-06 02:15:56 UTC+0000
UTC Start
2021-01-06 02:06:11.440
UTC End
2021-01-06 02:06:40.240
MJD Start
59220.08763241
MJD End
59220.0879657433
Exposure time (s)
28.8
Validation level
1
Tau 0: Coherence time (s)
0.011038
Ambient temperature (°C)
11.84
Seeing (arcsec)
0.425
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 52.7840 52.8280 26.8000 26.9000
U1-U3 96.2090 96.3020 33.5000 33.6000
U1-U4 126.8310 126.9550 61.8850 61.9270
U2-U3 44.2140 44.2620 41.5000 41.6000
U2-U4 88.9590 89.0020 81.8200 81.8360
U3-U4 62.2110 62.1850 109.1950 109.2150
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 59220.08763241
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 52.784
HIERARCH ESO ISS PBL12 END 52.828
HIERARCH ESO ISS PBLA12 START 26.8
HIERARCH ESO ISS PBLA12 END 26.9
HIERARCH ESO ISS PBL13 START 96.209
HIERARCH ESO ISS PBL13 END 96.302
HIERARCH ESO ISS PBLA13 START 33.5
HIERARCH ESO ISS PBLA13 END 33.6
HIERARCH ESO ISS PBL14 START 126.831
HIERARCH ESO ISS PBL14 END 126.955
HIERARCH ESO ISS PBLA14 START 61.885
HIERARCH ESO ISS PBLA14 END 61.927
HIERARCH ESO ISS PBL23 START 44.214
HIERARCH ESO ISS PBL23 END 44.262
HIERARCH ESO ISS PBLA23 START 41.5
HIERARCH ESO ISS PBLA23 END 41.6
HIERARCH ESO ISS PBL24 START 88.959
HIERARCH ESO ISS PBL24 END 89.002
HIERARCH ESO ISS PBLA24 START 81.82
HIERARCH ESO ISS PBLA24 END 81.836
HIERARCH ESO ISS PBL34 START 62.211
HIERARCH ESO ISS PBL34 END 62.185
HIERARCH ESO ISS PBLA34 START 109.195
HIERARCH ESO ISS PBLA34 END 109.215
HIERARCH ESO ISS AMBI TAU0 START 0.01046
HIERARCH ESO ISS AMBI TAU0 END 0.011616
HIERARCH ESO ISS AMBI TEMP 11.84
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.41
HIERARCH ESO FT ROBJ NAME 51Eri
HIERARCH ESO FT ROBJ ALPHA 043736.132
HIERARCH ESO FT ROBJ DELTA -022824.778