Exposure
ID
GRAVI.2021-01-06T01:31:32.353_1
Header ID
GRAVI.2021-01-06T01:31:32.353
Date updated
2021-01-06 01:40:52 UTC+0000
Release date
2022-01-06 01:40:52 UTC+0000
UTC Start
2021-01-06 01:31:32.353
UTC End
2021-01-06 01:32:01.153
MJD Start
59220.0635689
MJD End
59220.0639022333
Exposure time (s)
28.8
Validation level
1
Tau 0: Coherence time (s)
0.0141915
Ambient temperature (°C)
11.7
Seeing (arcsec)
0.38
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 51.3740 51.4180 23.1000 23.2000
U1-U3 93.0880 93.1910 30.1000 30.2000
U1-U4 121.8120 122.0030 60.2360 60.2990
U2-U3 42.5560 42.6130 38.5000 38.6000
U2-U4 86.5920 86.6980 81.2200 81.2420
U3-U4 62.3860 62.4010 108.7700 108.7780
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 59220.0635689
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 51.374
HIERARCH ESO ISS PBL12 END 51.418
HIERARCH ESO ISS PBLA12 START 23.1
HIERARCH ESO ISS PBLA12 END 23.2
HIERARCH ESO ISS PBL13 START 93.088
HIERARCH ESO ISS PBL13 END 93.191
HIERARCH ESO ISS PBLA13 START 30.1
HIERARCH ESO ISS PBLA13 END 30.2
HIERARCH ESO ISS PBL14 START 121.812
HIERARCH ESO ISS PBL14 END 122.003
HIERARCH ESO ISS PBLA14 START 60.236
HIERARCH ESO ISS PBLA14 END 60.299
HIERARCH ESO ISS PBL23 START 42.556
HIERARCH ESO ISS PBL23 END 42.613
HIERARCH ESO ISS PBLA23 START 38.5
HIERARCH ESO ISS PBLA23 END 38.6
HIERARCH ESO ISS PBL24 START 86.592
HIERARCH ESO ISS PBL24 END 86.698
HIERARCH ESO ISS PBLA24 START 81.22
HIERARCH ESO ISS PBLA24 END 81.242
HIERARCH ESO ISS PBL34 START 62.386
HIERARCH ESO ISS PBL34 END 62.401
HIERARCH ESO ISS PBLA34 START 108.77
HIERARCH ESO ISS PBLA34 END 108.778
HIERARCH ESO ISS AMBI TAU0 START 0.014708
HIERARCH ESO ISS AMBI TAU0 END 0.013675
HIERARCH ESO ISS AMBI TEMP 11.7
HIERARCH ESO ISS AMBI FWHM START 0.38
HIERARCH ESO ISS AMBI FWHM END 0.38
HIERARCH ESO FT ROBJ NAME 51Eri
HIERARCH ESO FT ROBJ ALPHA 043736.132
HIERARCH ESO FT ROBJ DELTA -022824.778