Exposure
ID
GRAVI.2022-01-26T02:48:02.094_1
Header ID
GRAVI.2022-01-26T02:48:02.094
Date updated
2022-01-26 02:55:48 UTC+0000
Release date
2023-01-26 02:55:48 UTC+0000
UTC Start
2022-01-26 02:48:02.094
UTC End
2022-01-26 02:48:26.094
MJD Start
59605.1166909
MJD End
59605.11696867778
Exposure time (s)
24.0
Validation level
1
Tau 0: Coherence time (s)
0.003741
Ambient temperature (°C)
14.64
Seeing (arcsec)
1.06
Observation
ID
49384
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
36948
Name
ABAur_f1
RA
73.942962
DEC
30.55095
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 46.5780 46.6370 41.8000 41.8000
U1-U3 89.1550 89.2560 46.3000 46.3000
U1-U4 129.5150 129.5480 62.4280 62.3420
U2-U3 42.8780 42.9170 51.2000 51.2000
U2-U4 87.4610 87.4120 73.2260 73.1230
U3-U4 50.3280 50.2250 91.8230 91.7340
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 59605.1166909
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 46.578
HIERARCH ESO ISS PBL12 END 46.637
HIERARCH ESO ISS PBLA12 START 41.8
HIERARCH ESO ISS PBLA12 END 41.8
HIERARCH ESO ISS PBL13 START 89.155
HIERARCH ESO ISS PBL13 END 89.256
HIERARCH ESO ISS PBLA13 START 46.3
HIERARCH ESO ISS PBLA13 END 46.3
HIERARCH ESO ISS PBL14 START 129.515
HIERARCH ESO ISS PBL14 END 129.548
HIERARCH ESO ISS PBLA14 START 62.428
HIERARCH ESO ISS PBLA14 END 62.342
HIERARCH ESO ISS PBL23 START 42.878
HIERARCH ESO ISS PBL23 END 42.917
HIERARCH ESO ISS PBLA23 START 51.2
HIERARCH ESO ISS PBLA23 END 51.2
HIERARCH ESO ISS PBL24 START 87.461
HIERARCH ESO ISS PBL24 END 87.412
HIERARCH ESO ISS PBLA24 START 73.226
HIERARCH ESO ISS PBLA24 END 73.123
HIERARCH ESO ISS PBL34 START 50.328
HIERARCH ESO ISS PBL34 END 50.225
HIERARCH ESO ISS PBLA34 START 91.823
HIERARCH ESO ISS PBLA34 END 91.734
HIERARCH ESO ISS AMBI TAU0 START 0.003741
HIERARCH ESO ISS AMBI TAU0 END 0.003741
HIERARCH ESO ISS AMBI TEMP 14.64
HIERARCH ESO ISS AMBI FWHM START 1.06
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