Exposure
ID
GRAVI.2022-01-23T01:20:54.843_1
Header ID
GRAVI.2022-01-23T01:20:54.843
Date updated
2022-01-23 01:35:33 UTC+0000
Release date
2023-01-23 01:35:33 UTC+0000
UTC Start
2022-01-23 01:20:54.843
UTC End
2022-01-23 01:26:54.843
MJD Start
59602.05619031
MJD End
59602.0603569767
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0032435
Ambient temperature (°C)
14.16
Seeing (arcsec)
1.295
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 37.3110 37.9580 40.1000 40.4000
U1-U3 72.1030 73.3730 47.9000 48.0000
U1-U4 117.3760 118.6220 72.8630 72.2500
U2-U3 35.4990 36.0870 56.1000 55.9000
U2-U4 88.3480 88.6510 86.0830 85.2950
U3-U4 60.2830 59.8880 103.2140 102.4970
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 59602.05619031
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 37.311
HIERARCH ESO ISS PBL12 END 37.958
HIERARCH ESO ISS PBLA12 START 40.1
HIERARCH ESO ISS PBLA12 END 40.4
HIERARCH ESO ISS PBL13 START 72.103
HIERARCH ESO ISS PBL13 END 73.373
HIERARCH ESO ISS PBLA13 START 47.9
HIERARCH ESO ISS PBLA13 END 48.0
HIERARCH ESO ISS PBL14 START 117.376
HIERARCH ESO ISS PBL14 END 118.622
HIERARCH ESO ISS PBLA14 START 72.863
HIERARCH ESO ISS PBLA14 END 72.25
HIERARCH ESO ISS PBL23 START 35.499
HIERARCH ESO ISS PBL23 END 36.087
HIERARCH ESO ISS PBLA23 START 56.1
HIERARCH ESO ISS PBLA23 END 55.9
HIERARCH ESO ISS PBL24 START 88.348
HIERARCH ESO ISS PBL24 END 88.651
HIERARCH ESO ISS PBLA24 START 86.083
HIERARCH ESO ISS PBLA24 END 85.295
HIERARCH ESO ISS PBL34 START 60.283
HIERARCH ESO ISS PBL34 END 59.888
HIERARCH ESO ISS PBLA34 START 103.214
HIERARCH ESO ISS PBLA34 END 102.497
HIERARCH ESO ISS AMBI TAU0 START 0.003144
HIERARCH ESO ISS AMBI TAU0 END 0.003343
HIERARCH ESO ISS AMBI TEMP 14.16
HIERARCH ESO ISS AMBI FWHM START 1.33
HIERARCH ESO ISS AMBI FWHM END 1.26
HIERARCH ESO FT ROBJ NAME AB_Aur
HIERARCH ESO FT ROBJ ALPHA 045545.845
HIERARCH ESO FT ROBJ DELTA 303304.293