Exposure
ID
GRAVI.2022-01-23T01:12:48.822_1
Header ID
GRAVI.2022-01-23T01:12:48.822
Date updated
2022-01-23 01:30:52 UTC+0000
Release date
2023-01-23 01:30:52 UTC+0000
UTC Start
2022-01-23 01:12:48.822
UTC End
2022-01-23 01:18:48.822
MJD Start
59602.05056507
MJD End
59602.0547317367
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0029775
Ambient temperature (°C)
14.13
Seeing (arcsec)
1.32
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 36.4740 37.1290 39.5000 40.0000
U1-U3 70.4410 71.7430 47.7000 47.8000
U1-U4 115.6800 117.0150 73.6440 73.0340
U2-U3 34.7210 35.3320 56.2000 56.1000
U2-U4 87.8850 88.2540 87.0980 86.3050
U3-U4 60.7420 60.3880 104.1410 103.4160
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 59602.05056507
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 36.474
HIERARCH ESO ISS PBL12 END 37.129
HIERARCH ESO ISS PBLA12 START 39.5
HIERARCH ESO ISS PBLA12 END 40.0
HIERARCH ESO ISS PBL13 START 70.441
HIERARCH ESO ISS PBL13 END 71.743
HIERARCH ESO ISS PBLA13 START 47.7
HIERARCH ESO ISS PBLA13 END 47.8
HIERARCH ESO ISS PBL14 START 115.68
HIERARCH ESO ISS PBL14 END 117.015
HIERARCH ESO ISS PBLA14 START 73.644
HIERARCH ESO ISS PBLA14 END 73.034
HIERARCH ESO ISS PBL23 START 34.721
HIERARCH ESO ISS PBL23 END 35.332
HIERARCH ESO ISS PBLA23 START 56.2
HIERARCH ESO ISS PBLA23 END 56.1
HIERARCH ESO ISS PBL24 START 87.885
HIERARCH ESO ISS PBL24 END 88.254
HIERARCH ESO ISS PBLA24 START 87.098
HIERARCH ESO ISS PBLA24 END 86.305
HIERARCH ESO ISS PBL34 START 60.742
HIERARCH ESO ISS PBL34 END 60.388
HIERARCH ESO ISS PBLA34 START 104.141
HIERARCH ESO ISS PBLA34 END 103.416
HIERARCH ESO ISS AMBI TAU0 START 0.00284
HIERARCH ESO ISS AMBI TAU0 END 0.003115
HIERARCH ESO ISS AMBI TEMP 14.13
HIERARCH ESO ISS AMBI FWHM START 1.31
HIERARCH ESO ISS AMBI FWHM END 1.33
HIERARCH ESO FT ROBJ NAME AB_Aur
HIERARCH ESO FT ROBJ ALPHA 045545.845
HIERARCH ESO FT ROBJ DELTA 303304.293