Exposure
ID
GRAVI.2022-01-23T00:59:33.789_1
Header ID
GRAVI.2022-01-23T00:59:33.789
Date updated
2022-01-23 01:16:13 UTC+0000
Release date
2023-01-23 01:16:12 UTC+0000
UTC Start
2022-01-23 00:59:33.789
UTC End
2022-01-23 01:05:33.789
MJD Start
59602.0413633
MJD End
59602.0455299667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.003257
Ambient temperature (°C)
14.48
Seeing (arcsec)
1.435
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 35.0950 35.7500 38.5000 39.0000
U1-U3 67.6550 68.9870 47.3000 47.5000
U1-U4 112.6730 114.1360 74.9110 74.3110
U2-U3 33.3970 34.0340 56.5000 56.4000
U2-U4 86.9500 87.4220 88.7670 87.9730
U3-U4 61.3760 61.0930 105.6740 104.9430
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 59602.0413633
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 35.095
HIERARCH ESO ISS PBL12 END 35.75
HIERARCH ESO ISS PBLA12 START 38.5
HIERARCH ESO ISS PBLA12 END 39.0
HIERARCH ESO ISS PBL13 START 67.655
HIERARCH ESO ISS PBL13 END 68.987
HIERARCH ESO ISS PBLA13 START 47.3
HIERARCH ESO ISS PBLA13 END 47.5
HIERARCH ESO ISS PBL14 START 112.673
HIERARCH ESO ISS PBL14 END 114.136
HIERARCH ESO ISS PBLA14 START 74.911
HIERARCH ESO ISS PBLA14 END 74.311
HIERARCH ESO ISS PBL23 START 33.397
HIERARCH ESO ISS PBL23 END 34.034
HIERARCH ESO ISS PBLA23 START 56.5
HIERARCH ESO ISS PBLA23 END 56.4
HIERARCH ESO ISS PBL24 START 86.95
HIERARCH ESO ISS PBL24 END 87.422
HIERARCH ESO ISS PBLA24 START 88.767
HIERARCH ESO ISS PBLA24 END 87.973
HIERARCH ESO ISS PBL34 START 61.376
HIERARCH ESO ISS PBL34 END 61.093
HIERARCH ESO ISS PBLA34 START 105.674
HIERARCH ESO ISS PBLA34 END 104.943
HIERARCH ESO ISS AMBI TAU0 START 0.002955
HIERARCH ESO ISS AMBI TAU0 END 0.003559
HIERARCH ESO ISS AMBI TEMP 14.48
HIERARCH ESO ISS AMBI FWHM START 1.55
HIERARCH ESO ISS AMBI FWHM END 1.32
HIERARCH ESO FT ROBJ NAME AB_Aur
HIERARCH ESO FT ROBJ ALPHA 045545.845
HIERARCH ESO FT ROBJ DELTA 303304.293