Exposure
ID
GRAVI.2022-01-23T02:10:24.967_1
Header ID
GRAVI.2022-01-23T02:10:24.967
Date updated
2022-01-23 02:15:57 UTC+0000
Release date
2023-01-23 02:15:57 UTC+0000
UTC Start
2022-01-23 02:10:24.967
UTC End
2022-01-23 02:10:48.967
MJD Start
59602.09056675
MJD End
59602.090844527775
Exposure time (s)
24.0
Validation level
1
Tau 0: Coherence time (s)
0.005591
Ambient temperature (°C)
14.18
Seeing (arcsec)
0.815
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 42.2330 42.3020 41.9000 41.9000
U1-U3 81.4600 81.5870 47.9000 47.8000
U1-U4 125.4170 125.5060 67.8900 67.8130
U2-U3 39.6980 39.7520 54.2000 54.2000
U2-U4 89.3910 89.3830 79.8400 79.7460
U3-U4 56.2860 56.2120 97.6090 97.5260
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 59602.09056675
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 48.0
HIERARCH ESO DET2 SEQ1 DIT 0.3
HIERARCH ESO DET2 NDIT 80
HIERARCH ESO ISS PBL12 START 42.233
HIERARCH ESO ISS PBL12 END 42.302
HIERARCH ESO ISS PBLA12 START 41.9
HIERARCH ESO ISS PBLA12 END 41.9
HIERARCH ESO ISS PBL13 START 81.46
HIERARCH ESO ISS PBL13 END 81.587
HIERARCH ESO ISS PBLA13 START 47.9
HIERARCH ESO ISS PBLA13 END 47.8
HIERARCH ESO ISS PBL14 START 125.417
HIERARCH ESO ISS PBL14 END 125.506
HIERARCH ESO ISS PBLA14 START 67.89
HIERARCH ESO ISS PBLA14 END 67.813
HIERARCH ESO ISS PBL23 START 39.698
HIERARCH ESO ISS PBL23 END 39.752
HIERARCH ESO ISS PBLA23 START 54.2
HIERARCH ESO ISS PBLA23 END 54.2
HIERARCH ESO ISS PBL24 START 89.391
HIERARCH ESO ISS PBL24 END 89.383
HIERARCH ESO ISS PBLA24 START 79.84
HIERARCH ESO ISS PBLA24 END 79.746
HIERARCH ESO ISS PBL34 START 56.286
HIERARCH ESO ISS PBL34 END 56.212
HIERARCH ESO ISS PBLA34 START 97.609
HIERARCH ESO ISS PBLA34 END 97.526
HIERARCH ESO ISS AMBI TAU0 START 0.005591
HIERARCH ESO ISS AMBI TAU0 END 0.005591
HIERARCH ESO ISS AMBI TEMP 14.18
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.82
HIERARCH ESO FT ROBJ NAME AB_Aur
HIERARCH ESO FT ROBJ ALPHA 045545.845
HIERARCH ESO FT ROBJ DELTA 303304.293