Exposure
ID
GRAVI.2021-01-06T01:59:56.424_1
Header ID
GRAVI.2021-01-06T01:59:56.424
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 01:59:56.424
UTC End
2021-01-06 02:05:16.424
MJD Start
59220.08329195
MJD End
59220.0869956537
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.0126285
Ambient temperature (°C)
11.58
Seeing (arcsec)
0.42
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 52.5320 52.7630 26.2000 26.8000
U1-U3 95.6700 96.1640 32.9000 33.5000
U1-U4 126.0830 126.7700 61.6360 61.8650
U2-U3 43.9390 44.1910 41.0000 41.5000
U2-U4 88.6790 88.9380 81.7270 81.8130
U3-U4 62.3380 62.2240 109.0880 109.1850
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 59220.08329195
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 52.532
HIERARCH ESO ISS PBL12 END 52.763
HIERARCH ESO ISS PBLA12 START 26.2
HIERARCH ESO ISS PBLA12 END 26.8
HIERARCH ESO ISS PBL13 START 95.67
HIERARCH ESO ISS PBL13 END 96.164
HIERARCH ESO ISS PBLA13 START 32.9
HIERARCH ESO ISS PBLA13 END 33.5
HIERARCH ESO ISS PBL14 START 126.083
HIERARCH ESO ISS PBL14 END 126.77
HIERARCH ESO ISS PBLA14 START 61.636
HIERARCH ESO ISS PBLA14 END 61.865
HIERARCH ESO ISS PBL23 START 43.939
HIERARCH ESO ISS PBL23 END 44.191
HIERARCH ESO ISS PBLA23 START 41.0
HIERARCH ESO ISS PBLA23 END 41.5
HIERARCH ESO ISS PBL24 START 88.679
HIERARCH ESO ISS PBL24 END 88.938
HIERARCH ESO ISS PBLA24 START 81.727
HIERARCH ESO ISS PBLA24 END 81.813
HIERARCH ESO ISS PBL34 START 62.338
HIERARCH ESO ISS PBL34 END 62.224
HIERARCH ESO ISS PBLA34 START 109.088
HIERARCH ESO ISS PBLA34 END 109.185
HIERARCH ESO ISS AMBI TAU0 START 0.013556
HIERARCH ESO ISS AMBI TAU0 END 0.011701
HIERARCH ESO ISS AMBI TEMP 11.58
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.44
HIERARCH ESO FT ROBJ NAME 51Eri
HIERARCH ESO FT ROBJ ALPHA 043736.132
HIERARCH ESO FT ROBJ DELTA -022824.778