Exposure
ID
GRAVI.2021-08-27T06:25:08.928_2
Header ID
GRAVI.2021-08-27T06:25:08.928
Date updated
2021-08-27 06:50:20 UTC+0000
Release date
2022-08-27 06:50:20 UTC+0000
UTC Start
2021-08-27 06:25:08.928
UTC End
2021-08-27 06:38:28.928
MJD Start
59453.26746445
MJD End
59453.2767237093
Exposure time (s)
800.0
Validation level
1
Tau 0: Coherence time (s)
0.003138
Ambient temperature (°C)
7.17
Seeing (arcsec)
1.175
Observation
ID
47978
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
36001
Name
HR_8799
RA
346.869645833333
DEC
21.1342506111111
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 47.8970 48.9030 37.7000 38.0000
U1-U3 90.3440 92.1340 43.4000 43.4000
U1-U4 128.8130 129.6070 64.5700 63.4940
U2-U3 42.9450 43.6810 49.8000 49.3000
U2-U4 88.7420 88.0040 78.6680 77.3190
U3-U4 55.1960 53.5010 100.7550 99.8330
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 59453.26746445
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HR 8799
HIERARCH ESO INS SOBJ NAME HR8799d_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 47.897
HIERARCH ESO ISS PBL12 END 48.903
HIERARCH ESO ISS PBLA12 START 37.7
HIERARCH ESO ISS PBLA12 END 38.0
HIERARCH ESO ISS PBL13 START 90.344
HIERARCH ESO ISS PBL13 END 92.134
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 128.813
HIERARCH ESO ISS PBL14 END 129.607
HIERARCH ESO ISS PBLA14 START 64.57
HIERARCH ESO ISS PBLA14 END 63.494
HIERARCH ESO ISS PBL23 START 42.945
HIERARCH ESO ISS PBL23 END 43.681
HIERARCH ESO ISS PBLA23 START 49.8
HIERARCH ESO ISS PBLA23 END 49.3
HIERARCH ESO ISS PBL24 START 88.742
HIERARCH ESO ISS PBL24 END 88.004
HIERARCH ESO ISS PBLA24 START 78.668
HIERARCH ESO ISS PBLA24 END 77.319
HIERARCH ESO ISS PBL34 START 55.196
HIERARCH ESO ISS PBL34 END 53.501
HIERARCH ESO ISS PBLA34 START 100.755
HIERARCH ESO ISS PBLA34 END 99.833
HIERARCH ESO ISS AMBI TAU0 START 0.003332
HIERARCH ESO ISS AMBI TAU0 END 0.002944
HIERARCH ESO ISS AMBI TEMP 7.17
HIERARCH ESO ISS AMBI FWHM START 1.25
HIERARCH ESO ISS AMBI FWHM END 1.1
HIERARCH ESO FT ROBJ NAME HR_8799
HIERARCH ESO FT ROBJ ALPHA 230728.7150
HIERARCH ESO FT ROBJ DELTA 210803.3022