Exposure
ID
GRAVI.2023-01-08T02:58:49.255_1
Header ID
GRAVI.2023-01-08T02:58:49.255
Date updated
2023-01-08 03:15:35 UTC+0000
Release date
2024-01-08 03:15:35 UTC+0000
UTC Start
2023-01-08 02:58:49.255
UTC End
2023-01-08 03:04:49.255
MJD Start
59952.12418119
MJD End
59952.12834785667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0039735
Ambient temperature (°C)
11.75
Seeing (arcsec)
0.635
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 41.1190 41.7270 41.7000 41.8000
U1-U3 79.4020 80.5300 48.0000 47.9000
U1-U4 123.8910 124.7460 69.0950 68.4450
U2-U3 38.8020 39.2950 54.7000 54.5000
U2-U4 89.4200 89.4250 81.3240 80.5210
U3-U4 57.4050 56.8110 98.9250 98.2120
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 59952.12418119
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 41.119
HIERARCH ESO ISS PBL12 END 41.727
HIERARCH ESO ISS PBLA12 START 41.7
HIERARCH ESO ISS PBLA12 END 41.8
HIERARCH ESO ISS PBL13 START 79.402
HIERARCH ESO ISS PBL13 END 80.53
HIERARCH ESO ISS PBLA13 START 48.0
HIERARCH ESO ISS PBLA13 END 47.9
HIERARCH ESO ISS PBL14 START 123.891
HIERARCH ESO ISS PBL14 END 124.746
HIERARCH ESO ISS PBLA14 START 69.095
HIERARCH ESO ISS PBLA14 END 68.445
HIERARCH ESO ISS PBL23 START 38.802
HIERARCH ESO ISS PBL23 END 39.295
HIERARCH ESO ISS PBLA23 START 54.7
HIERARCH ESO ISS PBLA23 END 54.5
HIERARCH ESO ISS PBL24 START 89.42
HIERARCH ESO ISS PBL24 END 89.425
HIERARCH ESO ISS PBLA24 START 81.324
HIERARCH ESO ISS PBLA24 END 80.521
HIERARCH ESO ISS PBL34 START 57.405
HIERARCH ESO ISS PBL34 END 56.811
HIERARCH ESO ISS PBLA34 START 98.925
HIERARCH ESO ISS PBLA34 END 98.212
HIERARCH ESO ISS AMBI TAU0 START 0.003354
HIERARCH ESO ISS AMBI TAU0 END 0.004593
HIERARCH ESO ISS AMBI TEMP 11.75
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.61
HIERARCH ESO FT ROBJ NAME AB_Aur
HIERARCH ESO FT ROBJ ALPHA 045545.845
HIERARCH ESO FT ROBJ DELTA 303304.293