Exposure
ID
GRAVI.2021-08-28T04:56:16.113_2
Header ID
GRAVI.2021-08-28T04:56:16.113
Date updated
2021-08-28 05:25:40 UTC+0000
Release date
2022-08-28 05:25:40 UTC+0000
UTC Start
2021-08-28 04:56:16.113
UTC End
2021-08-28 05:09:36.113
MJD Start
59454.20574205
MJD End
59454.2150013093
Exposure time (s)
800.0
Validation level
1
Tau 0: Coherence time (s)
0.0035955
Ambient temperature (°C)
10.57
Seeing (arcsec)
0.68
Observation
ID
47975
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
35998
Name
HR_8799
RA
346.869645833333
DEC
21.1342505555556
Instrument
Interferometer
VLTI
Instrument
GRAVITY_FT
Instrument mode
LOW
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 40.8740 42.0590 32.8000 34.0000
U1-U3 76.6560 79.1130 40.9000 41.7000
U1-U4 116.3080 119.2180 69.9100 69.1910
U2-U3 36.6450 37.8500 49.9000 50.2000
U2-U4 87.2890 88.2380 86.3360 85.1350
U3-U4 61.7590 61.1650 106.9630 105.8790
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 59454.20574205
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HR 8799
HIERARCH ESO INS SOBJ NAME HR8799b_new
RA 346.87242
DEC 21.13412
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 40.874
HIERARCH ESO ISS PBL12 END 42.059
HIERARCH ESO ISS PBLA12 START 32.8
HIERARCH ESO ISS PBLA12 END 34.0
HIERARCH ESO ISS PBL13 START 76.656
HIERARCH ESO ISS PBL13 END 79.113
HIERARCH ESO ISS PBLA13 START 40.9
HIERARCH ESO ISS PBLA13 END 41.7
HIERARCH ESO ISS PBL14 START 116.308
HIERARCH ESO ISS PBL14 END 119.218
HIERARCH ESO ISS PBLA14 START 69.91
HIERARCH ESO ISS PBLA14 END 69.191
HIERARCH ESO ISS PBL23 START 36.645
HIERARCH ESO ISS PBL23 END 37.85
HIERARCH ESO ISS PBLA23 START 49.9
HIERARCH ESO ISS PBLA23 END 50.2
HIERARCH ESO ISS PBL24 START 87.289
HIERARCH ESO ISS PBL24 END 88.238
HIERARCH ESO ISS PBLA24 START 86.336
HIERARCH ESO ISS PBLA24 END 85.135
HIERARCH ESO ISS PBL34 START 61.759
HIERARCH ESO ISS PBL34 END 61.165
HIERARCH ESO ISS PBLA34 START 106.963
HIERARCH ESO ISS PBLA34 END 105.879
HIERARCH ESO ISS AMBI TAU0 START 0.003712
HIERARCH ESO ISS AMBI TAU0 END 0.003479
HIERARCH ESO ISS AMBI TEMP 10.57
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.74
HIERARCH ESO FT ROBJ NAME HR_8799
HIERARCH ESO FT ROBJ ALPHA 230728.715
HIERARCH ESO FT ROBJ DELTA 210803.302