Exposure
ID
GRAVI.2021-08-27T05:48:17.836_1
Header ID
GRAVI.2021-08-27T05:48:17.836
Date updated
2021-08-27 06:12:06 UTC+0000
Release date
2022-08-27 06:12:06 UTC+0000
UTC Start
2021-08-27 05:48:17.836
UTC End
2021-08-27 06:01:37.836
MJD Start
59453.2418731
MJD End
59453.2511323593
Exposure time (s)
800.0
Validation level
1
Tau 0: Coherence time (s)
0.0036125
Ambient temperature (°C)
7.67
Seeing (arcsec)
1.02
Observation
ID
47976
Category
science
Program ID
1104.C-0651(D)
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/ ...
Target
ID
35999
Name
HR8799b_new
RA
346.872425
DEC
21.13413
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 44.9760 46.1000 36.3000 37.0000
U1-U3 84.9000 87.0360 43.0000 43.3000
U1-U4 125.0030 126.7150 67.1510 66.2370
U2-U3 40.5650 41.5210 50.4000 50.2000
U2-U4 89.4030 89.3850 82.0930 80.8410
U3-U4 58.8860 57.6570 103.3180 102.3430
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 1104.C-0651(D)
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 59453.2418731
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HR 8799
HIERARCH ESO INS SOBJ NAME HR8799b_new
RA 346.872425
DEC 21.13413
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
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 814.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 44.976
HIERARCH ESO ISS PBL12 END 46.1
HIERARCH ESO ISS PBLA12 START 36.3
HIERARCH ESO ISS PBLA12 END 37.0
HIERARCH ESO ISS PBL13 START 84.9
HIERARCH ESO ISS PBL13 END 87.036
HIERARCH ESO ISS PBLA13 START 43.0
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 125.003
HIERARCH ESO ISS PBL14 END 126.715
HIERARCH ESO ISS PBLA14 START 67.151
HIERARCH ESO ISS PBLA14 END 66.237
HIERARCH ESO ISS PBL23 START 40.565
HIERARCH ESO ISS PBL23 END 41.521
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.2
HIERARCH ESO ISS PBL24 START 89.403
HIERARCH ESO ISS PBL24 END 89.385
HIERARCH ESO ISS PBLA24 START 82.093
HIERARCH ESO ISS PBLA24 END 80.841
HIERARCH ESO ISS PBL34 START 58.886
HIERARCH ESO ISS PBL34 END 57.657
HIERARCH ESO ISS PBLA34 START 103.318
HIERARCH ESO ISS PBLA34 END 102.343
HIERARCH ESO ISS AMBI TAU0 START 0.003817
HIERARCH ESO ISS AMBI TAU0 END 0.003408
HIERARCH ESO ISS AMBI TEMP 7.67
HIERARCH ESO ISS AMBI FWHM START 0.96
HIERARCH ESO ISS AMBI FWHM END 1.08
HIERARCH ESO FT ROBJ NAME HR_8799
HIERARCH ESO FT ROBJ ALPHA 230728.7150
HIERARCH ESO FT ROBJ DELTA 210803.3022