Exposure
ID
GRAVI.2022-01-26T01:19:07.870_2
Header ID
GRAVI.2022-01-26T01:19:07.870
Date updated
2022-01-26 01:26:08 UTC+0000
Release date
2023-01-26 01:26:08 UTC+0000
UTC Start
2022-01-26 01:19:07.870
UTC End
2022-01-26 01:19:31.870
MJD Start
59605.0549522
MJD End
59605.0552299778
Exposure time (s)
24.0
Validation level
1
Tau 0: Coherence time (s)
0.0041415
Ambient temperature (°C)
14.63
Seeing (arcsec)
0.795
Observation
ID
49346
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
36917
Name
AB_Aur
RA
73.9410208333333
DEC
30.5511925
Instrument
Interferometer
VLTI
Instrument
GRAVITY_FT
Instrument mode
LOW
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 38.3370 38.4160 40.6000 40.7000
U1-U3 74.1110 74.2630 48.0000 48.0000
U1-U4 119.3260 119.4680 71.8870 71.8120
U2-U3 36.4270 36.4960 55.8000 55.8000
U2-U4 88.8070 88.8370 84.8310 84.7350
U3-U4 59.6390 59.5860 102.0760 101.9890
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 59605.0549522
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V AB Aur
HIERARCH ESO INS SOBJ NAME ABAur_f1
RA 73.942962
DEC 30.55095
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 48.0
HIERARCH ESO DET2 SEQ1 DIT 0.3
HIERARCH ESO DET2 NDIT 80
HIERARCH ESO ISS PBL12 START 38.337
HIERARCH ESO ISS PBL12 END 38.416
HIERARCH ESO ISS PBLA12 START 40.6
HIERARCH ESO ISS PBLA12 END 40.7
HIERARCH ESO ISS PBL13 START 74.111
HIERARCH ESO ISS PBL13 END 74.263
HIERARCH ESO ISS PBLA13 START 48.0
HIERARCH ESO ISS PBLA13 END 48.0
HIERARCH ESO ISS PBL14 START 119.326
HIERARCH ESO ISS PBL14 END 119.468
HIERARCH ESO ISS PBLA14 START 71.887
HIERARCH ESO ISS PBLA14 END 71.812
HIERARCH ESO ISS PBL23 START 36.427
HIERARCH ESO ISS PBL23 END 36.496
HIERARCH ESO ISS PBLA23 START 55.8
HIERARCH ESO ISS PBLA23 END 55.8
HIERARCH ESO ISS PBL24 START 88.807
HIERARCH ESO ISS PBL24 END 88.837
HIERARCH ESO ISS PBLA24 START 84.831
HIERARCH ESO ISS PBLA24 END 84.735
HIERARCH ESO ISS PBL34 START 59.639
HIERARCH ESO ISS PBL34 END 59.586
HIERARCH ESO ISS PBLA34 START 102.076
HIERARCH ESO ISS PBLA34 END 101.989
HIERARCH ESO ISS AMBI TAU0 START 0.004268
HIERARCH ESO ISS AMBI TAU0 END 0.004015
HIERARCH ESO ISS AMBI TEMP 14.63
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.83
HIERARCH ESO FT ROBJ NAME AB_Aur
HIERARCH ESO FT ROBJ ALPHA 045545.845
HIERARCH ESO FT ROBJ DELTA 303304.293