Exposure
ID
GRAVI.2022-01-23T01:47:48.911_1
Header ID
GRAVI.2022-01-23T01:47:48.911
Date updated
2022-01-23 01:55:36 UTC+0000
Release date
2023-01-23 01:55:36 UTC+0000
UTC Start
2022-01-23 01:47:48.911
UTC End
2022-01-23 01:48:12.911
MJD Start
59602.07487165
MJD End
59602.07514942778
Exposure time (s)
24.0
Validation level
1
Tau 0: Coherence time (s)
0.005269
Ambient temperature (°C)
14.37
Seeing (arcsec)
0.91
Observation
ID
49345
Category
science
Program ID
108.227A.004
Program Title
DEEP EXPLORATION OF THE AB AUR SYSTEM: CONFIRMATION OF A PROTOPLANET
Program Type
Normal
PI / COI
BOCCALETTI/ LACOUR/ MILLI/ MAIRE/ BECK/ PIETU/ TANG/ DI FOLCO/ DUTREY/ GUILLOTEAU/ PANTIN/ HUELAMO
Target
ID
36916
Name
ABAur_f1
RA
73.942871
DEC
30.551
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 40.0350 40.1120 41.3000 41.4000
U1-U3 77.3660 77.5100 48.1000 48.1000
U1-U4 122.2370 122.3580 70.2120 70.1350
U2-U3 37.9000 37.9640 55.2000 55.2000
U2-U4 89.2940 89.3080 82.7160 82.6200
U3-U4 58.3660 58.3030 100.1700 100.0840
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 108.227A.004
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 59602.07487165
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V AB Aur
HIERARCH ESO INS SOBJ NAME ABAur_f1
RA 73.942871
DEC 30.551
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 48.0
HIERARCH ESO DET2 SEQ1 DIT 0.3
HIERARCH ESO DET2 NDIT 80
HIERARCH ESO ISS PBL12 START 40.035
HIERARCH ESO ISS PBL12 END 40.112
HIERARCH ESO ISS PBLA12 START 41.3
HIERARCH ESO ISS PBLA12 END 41.4
HIERARCH ESO ISS PBL13 START 77.366
HIERARCH ESO ISS PBL13 END 77.51
HIERARCH ESO ISS PBLA13 START 48.1
HIERARCH ESO ISS PBLA13 END 48.1
HIERARCH ESO ISS PBL14 START 122.237
HIERARCH ESO ISS PBL14 END 122.358
HIERARCH ESO ISS PBLA14 START 70.212
HIERARCH ESO ISS PBLA14 END 70.135
HIERARCH ESO ISS PBL23 START 37.9
HIERARCH ESO ISS PBL23 END 37.964
HIERARCH ESO ISS PBLA23 START 55.2
HIERARCH ESO ISS PBLA23 END 55.2
HIERARCH ESO ISS PBL24 START 89.294
HIERARCH ESO ISS PBL24 END 89.308
HIERARCH ESO ISS PBLA24 START 82.716
HIERARCH ESO ISS PBLA24 END 82.62
HIERARCH ESO ISS PBL34 START 58.366
HIERARCH ESO ISS PBL34 END 58.303
HIERARCH ESO ISS PBLA34 START 100.17
HIERARCH ESO ISS PBLA34 END 100.084
HIERARCH ESO ISS AMBI TAU0 START 0.005269
HIERARCH ESO ISS AMBI TAU0 END 0.005269
HIERARCH ESO ISS AMBI TEMP 14.37
HIERARCH ESO ISS AMBI FWHM START 0.91
HIERARCH ESO ISS AMBI FWHM END 0.91
HIERARCH ESO FT ROBJ NAME AB_Aur
HIERARCH ESO FT ROBJ ALPHA 045545.845
HIERARCH ESO FT ROBJ DELTA 303304.293