Exposure
ID
GRAVI.2023-01-08T04:03:28.418_1
Header ID
GRAVI.2023-01-08T04:03:28.418
Date updated
2023-01-08 04:10:48 UTC+0000
Release date
2024-01-08 04:10:48 UTC+0000
UTC Start
2023-01-08 04:03:28.418
UTC End
2023-01-08 04:03:52.418
MJD Start
59952.16907891
MJD End
59952.16935668778
Exposure time (s)
24.0
Validation level
1
Tau 0: Coherence time (s)
0.0047469999999999995
Ambient temperature (°C)
11.36
Seeing (arcsec)
0.685
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 46.8720 46.9300 41.8000 41.8000
U1-U3 89.6550 89.7530 46.2000 46.1000
U1-U4 129.6700 129.6990 61.9970 61.9100
U2-U3 43.0730 43.1110 51.0000 50.9000
U2-U4 87.2060 87.1540 72.7070 72.6020
U3-U4 49.8090 49.7050 91.3700 91.2800
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 59952.16907891
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 48.0
HIERARCH ESO DET2 SEQ1 DIT 0.3
HIERARCH ESO DET2 NDIT 80
HIERARCH ESO ISS PBL12 START 46.872
HIERARCH ESO ISS PBL12 END 46.93
HIERARCH ESO ISS PBLA12 START 41.8
HIERARCH ESO ISS PBLA12 END 41.8
HIERARCH ESO ISS PBL13 START 89.655
HIERARCH ESO ISS PBL13 END 89.753
HIERARCH ESO ISS PBLA13 START 46.2
HIERARCH ESO ISS PBLA13 END 46.1
HIERARCH ESO ISS PBL14 START 129.67
HIERARCH ESO ISS PBL14 END 129.699
HIERARCH ESO ISS PBLA14 START 61.997
HIERARCH ESO ISS PBLA14 END 61.91
HIERARCH ESO ISS PBL23 START 43.073
HIERARCH ESO ISS PBL23 END 43.111
HIERARCH ESO ISS PBLA23 START 51.0
HIERARCH ESO ISS PBLA23 END 50.9
HIERARCH ESO ISS PBL24 START 87.206
HIERARCH ESO ISS PBL24 END 87.154
HIERARCH ESO ISS PBLA24 START 72.707
HIERARCH ESO ISS PBLA24 END 72.602
HIERARCH ESO ISS PBL34 START 49.809
HIERARCH ESO ISS PBL34 END 49.705
HIERARCH ESO ISS PBLA34 START 91.37
HIERARCH ESO ISS PBLA34 END 91.28
HIERARCH ESO ISS AMBI TAU0 START 0.004901
HIERARCH ESO ISS AMBI TAU0 END 0.004593
HIERARCH ESO ISS AMBI TEMP 11.36
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.68
HIERARCH ESO FT ROBJ NAME AB_Aur
HIERARCH ESO FT ROBJ ALPHA 045545.845
HIERARCH ESO FT ROBJ DELTA 303304.293