Exposure
ID
GRAVI.2021-08-28T06:12:58.306_1
Header ID
GRAVI.2021-08-28T06:12:58.306
Date updated
2021-08-28 21:50:41 UTC+0000
Release date
2022-08-28 21:50:41 UTC+0000
UTC Start
2021-08-28 06:12:58.306
UTC End
2021-08-28 06:26:18.306
MJD Start
59454.25900817
MJD End
59454.2682674293
Exposure time (s)
800.0
Validation level
1
Tau 0: Coherence time (s)
0.002473
Ambient temperature (°C)
9.52
Seeing (arcsec)
1.26
Observation
ID
48010
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
36031
Name
HR8799c_new
RA
346.87242
DEC
21.13412
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 47.2680 48.3060 37.5000 37.9000
U1-U3 89.2020 91.0770 43.4000 43.4000
U1-U4 128.1730 129.1710 65.1880 64.1470
U2-U3 42.4620 43.2490 50.0000 49.6000
U2-U4 89.0600 88.4780 79.4590 78.1340
U3-U4 56.1340 54.5380 101.3190 100.3850
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 59454.25900817
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HR 8799
HIERARCH ESO INS SOBJ NAME HR8799c_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 47.268
HIERARCH ESO ISS PBL12 END 48.306
HIERARCH ESO ISS PBLA12 START 37.5
HIERARCH ESO ISS PBLA12 END 37.9
HIERARCH ESO ISS PBL13 START 89.202
HIERARCH ESO ISS PBL13 END 91.077
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 128.173
HIERARCH ESO ISS PBL14 END 129.171
HIERARCH ESO ISS PBLA14 START 65.188
HIERARCH ESO ISS PBLA14 END 64.147
HIERARCH ESO ISS PBL23 START 42.462
HIERARCH ESO ISS PBL23 END 43.249
HIERARCH ESO ISS PBLA23 START 50.0
HIERARCH ESO ISS PBLA23 END 49.6
HIERARCH ESO ISS PBL24 START 89.06
HIERARCH ESO ISS PBL24 END 88.478
HIERARCH ESO ISS PBLA24 START 79.459
HIERARCH ESO ISS PBLA24 END 78.134
HIERARCH ESO ISS PBL34 START 56.134
HIERARCH ESO ISS PBL34 END 54.538
HIERARCH ESO ISS PBLA34 START 101.319
HIERARCH ESO ISS PBLA34 END 100.385
HIERARCH ESO ISS AMBI TAU0 START 0.002063
HIERARCH ESO ISS AMBI TAU0 END 0.002883
HIERARCH ESO ISS AMBI TEMP 9.52
HIERARCH ESO ISS AMBI FWHM START 1.29
HIERARCH ESO ISS AMBI FWHM END 1.23
HIERARCH ESO FT ROBJ NAME HR_8799
HIERARCH ESO FT ROBJ ALPHA 230728.7150
HIERARCH ESO FT ROBJ DELTA 210803.3022