Exposure
ID
GRAVI.2022-01-23T01:34:24.876_1
Header ID
GRAVI.2022-01-23T01:34:24.876
Date updated
2022-01-23 01:50:52 UTC+0000
Release date
2023-01-23 01:50:52 UTC+0000
UTC Start
2022-01-23 01:34:24.876
UTC End
2022-01-23 01:40:24.876
MJD Start
59602.0655657
MJD End
59602.06973236667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0044285
Ambient temperature (°C)
14.34
Seeing (arcsec)
1.08
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 38.6890 39.3260 40.8000 41.1000
U1-U3 74.7920 76.0150 48.0000 48.1000
U1-U4 119.9600 121.0670 71.5470 70.9230
U2-U3 36.7380 37.2930 55.7000 55.5000
U2-U4 88.9360 89.1320 84.3980 83.6090
U3-U4 59.3980 58.9310 101.6840 100.9720
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 59602.0655657
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 38.689
HIERARCH ESO ISS PBL12 END 39.326
HIERARCH ESO ISS PBLA12 START 40.8
HIERARCH ESO ISS PBLA12 END 41.1
HIERARCH ESO ISS PBL13 START 74.792
HIERARCH ESO ISS PBL13 END 76.015
HIERARCH ESO ISS PBLA13 START 48.0
HIERARCH ESO ISS PBLA13 END 48.1
HIERARCH ESO ISS PBL14 START 119.96
HIERARCH ESO ISS PBL14 END 121.067
HIERARCH ESO ISS PBLA14 START 71.547
HIERARCH ESO ISS PBLA14 END 70.923
HIERARCH ESO ISS PBL23 START 36.738
HIERARCH ESO ISS PBL23 END 37.293
HIERARCH ESO ISS PBLA23 START 55.7
HIERARCH ESO ISS PBLA23 END 55.5
HIERARCH ESO ISS PBL24 START 88.936
HIERARCH ESO ISS PBL24 END 89.132
HIERARCH ESO ISS PBLA24 START 84.398
HIERARCH ESO ISS PBLA24 END 83.609
HIERARCH ESO ISS PBL34 START 59.398
HIERARCH ESO ISS PBL34 END 58.931
HIERARCH ESO ISS PBLA34 START 101.684
HIERARCH ESO ISS PBLA34 END 100.972
HIERARCH ESO ISS AMBI TAU0 START 0.004929
HIERARCH ESO ISS AMBI TAU0 END 0.003928
HIERARCH ESO ISS AMBI TEMP 14.34
HIERARCH ESO ISS AMBI FWHM START 0.96
HIERARCH ESO ISS AMBI FWHM END 1.2
HIERARCH ESO FT ROBJ NAME AB_Aur
HIERARCH ESO FT ROBJ ALPHA 045545.845
HIERARCH ESO FT ROBJ DELTA 303304.293