Exposure
ID
GRAVI.2021-01-06T01:14:14.309_1
Header ID
GRAVI.2021-01-06T01:14:14.309
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 01:14:14.309
UTC End
2021-01-06 01:14:43.109
MJD Start
59220.0515545
MJD End
59220.0518878333
Exposure time (s)
28.8
Validation level
1
Tau 0: Coherence time (s)
0.012199
Ambient temperature (°C)
11.43
Seeing (arcsec)
0.565
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 50.6820 50.7250 21.0000 21.1000
U1-U3 91.4570 91.5610 28.1000 28.2000
U1-U4 118.5580 118.7790 59.1450 59.2210
U2-U3 41.6320 41.6920 36.7000 36.8000
U2-U4 84.6880 84.8230 80.8350 80.8610
U3-U4 61.9950 62.0290 108.7090 108.7100
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 59220.0515545
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 50.682
HIERARCH ESO ISS PBL12 END 50.725
HIERARCH ESO ISS PBLA12 START 21.0
HIERARCH ESO ISS PBLA12 END 21.1
HIERARCH ESO ISS PBL13 START 91.457
HIERARCH ESO ISS PBL13 END 91.561
HIERARCH ESO ISS PBLA13 START 28.1
HIERARCH ESO ISS PBLA13 END 28.2
HIERARCH ESO ISS PBL14 START 118.558
HIERARCH ESO ISS PBL14 END 118.779
HIERARCH ESO ISS PBLA14 START 59.145
HIERARCH ESO ISS PBLA14 END 59.221
HIERARCH ESO ISS PBL23 START 41.632
HIERARCH ESO ISS PBL23 END 41.692
HIERARCH ESO ISS PBLA23 START 36.7
HIERARCH ESO ISS PBLA23 END 36.8
HIERARCH ESO ISS PBL24 START 84.688
HIERARCH ESO ISS PBL24 END 84.823
HIERARCH ESO ISS PBLA24 START 80.835
HIERARCH ESO ISS PBLA24 END 80.861
HIERARCH ESO ISS PBL34 START 61.995
HIERARCH ESO ISS PBL34 END 62.029
HIERARCH ESO ISS PBLA34 START 108.709
HIERARCH ESO ISS PBLA34 END 108.71
HIERARCH ESO ISS AMBI TAU0 START 0.012213
HIERARCH ESO ISS AMBI TAU0 END 0.012185
HIERARCH ESO ISS AMBI TEMP 11.43
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.58
HIERARCH ESO FT ROBJ NAME 51Eri
HIERARCH ESO FT ROBJ ALPHA 043736.132
HIERARCH ESO FT ROBJ DELTA -022824.778