Exposure
ID
GRAVI.2023-07-02T10:29:04.722_1
Header ID
GRAVI.2023-07-02T10:29:04.722
Date updated
2023-07-02 10:36:03 UTC+0000
Release date
2024-07-02 10:36:03 UTC+0000
UTC Start
2023-07-02 10:29:04.722
UTC End
2023-07-02 10:30:08.722
MJD Start
60127.43686021
MJD End
60127.4376009507
Exposure time (s)
64.0
Validation level
1
Tau 0: Coherence time (s)
0.003618
Ambient temperature (°C)
14.3
Seeing (arcsec)
0.69
Observation
ID
56119
Category
science
Program ID
1104.C-0651(G)
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
41568
Name
HR_8799
RA
346.872383
DEC
21.1339
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 49.4610 49.5580 38.1000 38.2000
U1-U3 93.1080 93.2740 43.3000 43.3000
U1-U4 129.9150 129.9580 62.8410 62.7230
U2-U3 44.0700 44.1350 49.1000 49.0000
U2-U4 87.4560 87.3510 76.5120 76.3680
U3-U4 52.4380 52.2460 99.3000 99.2070
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 1104.C-0651(G)
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60127.43686021
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HR 8799
HIERARCH ESO INS SOBJ NAME HR_8799
RA 346.872383
DEC 21.1339
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 49.461
HIERARCH ESO ISS PBL12 END 49.558
HIERARCH ESO ISS PBLA12 START 38.1
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 93.108
HIERARCH ESO ISS PBL13 END 93.274
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 129.915
HIERARCH ESO ISS PBL14 END 129.958
HIERARCH ESO ISS PBLA14 START 62.841
HIERARCH ESO ISS PBLA14 END 62.723
HIERARCH ESO ISS PBL23 START 44.07
HIERARCH ESO ISS PBL23 END 44.135
HIERARCH ESO ISS PBLA23 START 49.1
HIERARCH ESO ISS PBLA23 END 49.0
HIERARCH ESO ISS PBL24 START 87.456
HIERARCH ESO ISS PBL24 END 87.351
HIERARCH ESO ISS PBLA24 START 76.512
HIERARCH ESO ISS PBLA24 END 76.368
HIERARCH ESO ISS PBL34 START 52.438
HIERARCH ESO ISS PBL34 END 52.246
HIERARCH ESO ISS PBLA34 START 99.3
HIERARCH ESO ISS PBLA34 END 99.207
HIERARCH ESO ISS AMBI TAU0 START 0.003618
HIERARCH ESO ISS AMBI TAU0 END 0.003618
HIERARCH ESO ISS AMBI TEMP 14.3
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.63