Exposure
ID
GRAVI.2022-01-26T02:41:14.077_2
Header ID
GRAVI.2022-01-26T02:41:14.077
Date updated
2022-01-26 03:00:28 UTC+0000
Release date
2023-01-26 03:00:28 UTC+0000
UTC Start
2022-01-26 02:41:14.077
UTC End
2022-01-26 02:47:14.077
MJD Start
59605.11196848
MJD End
59605.1161351467
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.004039
Ambient temperature (°C)
14.43
Seeing (arcsec)
1.03
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 46.0250 46.5400 41.9000 41.8000
U1-U3 88.2080 89.0910 46.6000 46.4000
U1-U4 129.1780 129.4940 63.2140 62.4830
U2-U3 42.5030 42.8530 51.7000 51.3000
U2-U4 87.8910 87.4920 74.1710 73.2920
U3-U4 51.2530 50.3920 92.6450 91.8800
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 59605.11196848
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 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 46.025
HIERARCH ESO ISS PBL12 END 46.54
HIERARCH ESO ISS PBLA12 START 41.9
HIERARCH ESO ISS PBLA12 END 41.8
HIERARCH ESO ISS PBL13 START 88.208
HIERARCH ESO ISS PBL13 END 89.091
HIERARCH ESO ISS PBLA13 START 46.6
HIERARCH ESO ISS PBLA13 END 46.4
HIERARCH ESO ISS PBL14 START 129.178
HIERARCH ESO ISS PBL14 END 129.494
HIERARCH ESO ISS PBLA14 START 63.214
HIERARCH ESO ISS PBLA14 END 62.483
HIERARCH ESO ISS PBL23 START 42.503
HIERARCH ESO ISS PBL23 END 42.853
HIERARCH ESO ISS PBLA23 START 51.7
HIERARCH ESO ISS PBLA23 END 51.3
HIERARCH ESO ISS PBL24 START 87.891
HIERARCH ESO ISS PBL24 END 87.492
HIERARCH ESO ISS PBLA24 START 74.171
HIERARCH ESO ISS PBLA24 END 73.292
HIERARCH ESO ISS PBL34 START 51.253
HIERARCH ESO ISS PBL34 END 50.392
HIERARCH ESO ISS PBLA34 START 92.645
HIERARCH ESO ISS PBLA34 END 91.88
HIERARCH ESO ISS AMBI TAU0 START 0.004337
HIERARCH ESO ISS AMBI TAU0 END 0.003741
HIERARCH ESO ISS AMBI TEMP 14.43
HIERARCH ESO ISS AMBI FWHM START 1.0
HIERARCH ESO ISS AMBI FWHM END 1.06
HIERARCH ESO FT ROBJ NAME AB_Aur
HIERARCH ESO FT ROBJ ALPHA 045545.845
HIERARCH ESO FT ROBJ DELTA 303304.293