Exposure
ID
GRAVI.2022-01-23T02:03:36.950_1
Header ID
GRAVI.2022-01-23T02:03:36.950
Date updated
2022-01-23 02:20:27 UTC+0000
Release date
2023-01-23 02:20:27 UTC+0000
UTC Start
2022-01-23 02:03:36.950
UTC End
2022-01-23 02:09:36.950
MJD Start
59602.08584433
MJD End
59602.09001099667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.005551
Ambient temperature (°C)
14.23
Seeing (arcsec)
0.8500000000000001
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 41.5880 42.1860 41.8000 41.9000
U1-U3 80.2710 81.3730 48.0000 47.9000
U1-U4 124.5530 125.3550 68.5940 67.9420
U2-U3 39.1820 39.6600 54.5000 54.2000
U2-U4 89.4280 89.3950 80.7060 79.9040
U3-U4 56.9520 56.3370 98.3770 97.6660
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 59602.08584433
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 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 41.588
HIERARCH ESO ISS PBL12 END 42.186
HIERARCH ESO ISS PBLA12 START 41.8
HIERARCH ESO ISS PBLA12 END 41.9
HIERARCH ESO ISS PBL13 START 80.271
HIERARCH ESO ISS PBL13 END 81.373
HIERARCH ESO ISS PBLA13 START 48.0
HIERARCH ESO ISS PBLA13 END 47.9
HIERARCH ESO ISS PBL14 START 124.553
HIERARCH ESO ISS PBL14 END 125.355
HIERARCH ESO ISS PBLA14 START 68.594
HIERARCH ESO ISS PBLA14 END 67.942
HIERARCH ESO ISS PBL23 START 39.182
HIERARCH ESO ISS PBL23 END 39.66
HIERARCH ESO ISS PBLA23 START 54.5
HIERARCH ESO ISS PBLA23 END 54.2
HIERARCH ESO ISS PBL24 START 89.428
HIERARCH ESO ISS PBL24 END 89.395
HIERARCH ESO ISS PBLA24 START 80.706
HIERARCH ESO ISS PBLA24 END 79.904
HIERARCH ESO ISS PBL34 START 56.952
HIERARCH ESO ISS PBL34 END 56.337
HIERARCH ESO ISS PBLA34 START 98.377
HIERARCH ESO ISS PBLA34 END 97.666
HIERARCH ESO ISS AMBI TAU0 START 0.005511
HIERARCH ESO ISS AMBI TAU0 END 0.005591
HIERARCH ESO ISS AMBI TEMP 14.23
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.81
HIERARCH ESO FT ROBJ NAME AB_Aur
HIERARCH ESO FT ROBJ ALPHA 045545.845
HIERARCH ESO FT ROBJ DELTA 303304.293