Exposure
ID
GRAVI.2021-08-28T04:42:10.077_2
Header ID
GRAVI.2021-08-28T04:42:10.077
Date updated
2021-08-28 04:51:01 UTC+0000
Release date
2022-08-28 04:51:01 UTC+0000
UTC Start
2021-08-28 04:42:10.077
UTC End
2021-08-28 04:43:14.077
MJD Start
59454.19594997
MJD End
59454.1966907107
Exposure time (s)
64.0
Validation level
1
Tau 0: Coherence time (s)
0.0029325
Ambient temperature (°C)
10.36
Seeing (arcsec)
0.82
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 39.6630 39.7830 31.3000 31.4000
U1-U3 74.0730 74.3320 39.8000 39.9000
U1-U4 112.9720 113.3190 70.5900 70.5260
U2-U3 35.3460 35.4780 49.4000 49.5000
U2-U4 86.0290 86.1670 87.5710 87.4490
U3-U4 62.1820 62.1480 108.1190 108.0030
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 59454.19594997
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HR 8799
HIERARCH ESO INS SOBJ NAME HR8799e_new
RA 346.872401
DEC 21.13411
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 86.0
HIERARCH ESO DET2 SEQ1 DIT 1.0
HIERARCH ESO DET2 NDIT 64
HIERARCH ESO ISS PBL12 START 39.663
HIERARCH ESO ISS PBL12 END 39.783
HIERARCH ESO ISS PBLA12 START 31.3
HIERARCH ESO ISS PBLA12 END 31.4
HIERARCH ESO ISS PBL13 START 74.073
HIERARCH ESO ISS PBL13 END 74.332
HIERARCH ESO ISS PBLA13 START 39.8
HIERARCH ESO ISS PBLA13 END 39.9
HIERARCH ESO ISS PBL14 START 112.972
HIERARCH ESO ISS PBL14 END 113.319
HIERARCH ESO ISS PBLA14 START 70.59
HIERARCH ESO ISS PBLA14 END 70.526
HIERARCH ESO ISS PBL23 START 35.346
HIERARCH ESO ISS PBL23 END 35.478
HIERARCH ESO ISS PBLA23 START 49.4
HIERARCH ESO ISS PBLA23 END 49.5
HIERARCH ESO ISS PBL24 START 86.029
HIERARCH ESO ISS PBL24 END 86.167
HIERARCH ESO ISS PBLA24 START 87.571
HIERARCH ESO ISS PBLA24 END 87.449
HIERARCH ESO ISS PBL34 START 62.182
HIERARCH ESO ISS PBL34 END 62.148
HIERARCH ESO ISS PBLA34 START 108.119
HIERARCH ESO ISS PBLA34 END 108.003
HIERARCH ESO ISS AMBI TAU0 START 0.002796
HIERARCH ESO ISS AMBI TAU0 END 0.003069
HIERARCH ESO ISS AMBI TEMP 10.36
HIERARCH ESO ISS AMBI FWHM START 0.85
HIERARCH ESO ISS AMBI FWHM END 0.79
HIERARCH ESO FT ROBJ NAME HR_8799
HIERARCH ESO FT ROBJ ALPHA 230728.715
HIERARCH ESO FT ROBJ DELTA 210803.302