Exposure
ID
GRAVI.2021-08-27T06:43:41.976_1
Header ID
GRAVI.2021-08-27T06:43:41.976
Date updated
2021-08-27 07:13:08 UTC+0000
Release date
2022-08-27 07:13:08 UTC+0000
UTC Start
2021-08-27 06:43:41.976
UTC End
2021-08-27 06:57:01.976
MJD Start
59453.28034694
MJD End
59453.2896061993
Exposure time (s)
800.0
Validation level
1
Tau 0: Coherence time (s)
0.0027935
Ambient temperature (°C)
7.54
Seeing (arcsec)
1.055
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 49.2400 50.1730 38.1000 38.2000
U1-U3 92.7230 94.3240 43.3000 43.1000
U1-U4 129.8050 130.1540 63.1050 61.9390
U2-U3 43.9170 44.5410 49.2000 48.6000
U2-U4 87.6870 86.6030 76.8390 75.4160
U3-U4 52.8740 50.9540 99.5150 98.6060
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 59453.28034694
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 49.24
HIERARCH ESO ISS PBL12 END 50.173
HIERARCH ESO ISS PBLA12 START 38.1
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 92.723
HIERARCH ESO ISS PBL13 END 94.324
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.1
HIERARCH ESO ISS PBL14 START 129.805
HIERARCH ESO ISS PBL14 END 130.154
HIERARCH ESO ISS PBLA14 START 63.105
HIERARCH ESO ISS PBLA14 END 61.939
HIERARCH ESO ISS PBL23 START 43.917
HIERARCH ESO ISS PBL23 END 44.541
HIERARCH ESO ISS PBLA23 START 49.2
HIERARCH ESO ISS PBLA23 END 48.6
HIERARCH ESO ISS PBL24 START 87.687
HIERARCH ESO ISS PBL24 END 86.603
HIERARCH ESO ISS PBLA24 START 76.839
HIERARCH ESO ISS PBLA24 END 75.416
HIERARCH ESO ISS PBL34 START 52.874
HIERARCH ESO ISS PBL34 END 50.954
HIERARCH ESO ISS PBLA34 START 99.515
HIERARCH ESO ISS PBLA34 END 98.606
HIERARCH ESO ISS AMBI TAU0 START 0.002846
HIERARCH ESO ISS AMBI TAU0 END 0.002741
HIERARCH ESO ISS AMBI TEMP 7.54
HIERARCH ESO ISS AMBI FWHM START 0.99
HIERARCH ESO ISS AMBI FWHM END 1.12
HIERARCH ESO FT ROBJ NAME HR_8799
HIERARCH ESO FT ROBJ ALPHA 230728.7150
HIERARCH ESO FT ROBJ DELTA 210803.3022