Exposure
ID
GRAVI.2023-01-08T03:56:37.401_1
Header ID
GRAVI.2023-01-08T03:56:37.401
Date updated
2023-01-08 04:15:31 UTC+0000
Release date
2024-01-08 04:15:31 UTC+0000
UTC Start
2023-01-08 03:56:37.401
UTC End
2023-01-08 04:02:37.401
MJD Start
59952.16432177
MJD End
59952.1684884367
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.004632
Ambient temperature (°C)
11.5
Seeing (arcsec)
0.7
Observation
ID
53770
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
39971
Name
ABAur_f1
RA
73.942915
DEC
30.55093
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 46.3160 46.8270 41.9000 41.8000
U1-U3 88.7080 89.5790 46.5000 46.2000
U1-U4 129.3630 129.6480 62.8050 62.0630
U2-U3 42.7020 43.0430 51.5000 51.0000
U2-U4 87.6720 87.2460 73.6780 72.7870
U3-U4 50.7710 49.8900 92.2150 91.4400
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 59952.16432177
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V AB Aur
HIERARCH ESO INS SOBJ NAME ABAur_f1
RA 73.942915
DEC 30.55093
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 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 46.316
HIERARCH ESO ISS PBL12 END 46.827
HIERARCH ESO ISS PBLA12 START 41.9
HIERARCH ESO ISS PBLA12 END 41.8
HIERARCH ESO ISS PBL13 START 88.708
HIERARCH ESO ISS PBL13 END 89.579
HIERARCH ESO ISS PBLA13 START 46.5
HIERARCH ESO ISS PBLA13 END 46.2
HIERARCH ESO ISS PBL14 START 129.363
HIERARCH ESO ISS PBL14 END 129.648
HIERARCH ESO ISS PBLA14 START 62.805
HIERARCH ESO ISS PBLA14 END 62.063
HIERARCH ESO ISS PBL23 START 42.702
HIERARCH ESO ISS PBL23 END 43.043
HIERARCH ESO ISS PBLA23 START 51.5
HIERARCH ESO ISS PBLA23 END 51.0
HIERARCH ESO ISS PBL24 START 87.672
HIERARCH ESO ISS PBL24 END 87.246
HIERARCH ESO ISS PBLA24 START 73.678
HIERARCH ESO ISS PBLA24 END 72.787
HIERARCH ESO ISS PBL34 START 50.771
HIERARCH ESO ISS PBL34 END 49.89
HIERARCH ESO ISS PBLA34 START 92.215
HIERARCH ESO ISS PBLA34 END 91.44
HIERARCH ESO ISS AMBI TAU0 START 0.004363
HIERARCH ESO ISS AMBI TAU0 END 0.004901
HIERARCH ESO ISS AMBI TEMP 11.5
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.69
HIERARCH ESO FT ROBJ NAME AB_Aur
HIERARCH ESO FT ROBJ ALPHA 045545.845
HIERARCH ESO FT ROBJ DELTA 303304.293