Exposure
ID
GRAVI.2022-01-26T02:14:05.009_1
Header ID
GRAVI.2022-01-26T02:14:05.009
Date updated
2022-01-26 02:30:29 UTC+0000
Release date
2023-01-26 02:30:29 UTC+0000
UTC Start
2022-01-26 02:14:05.009
UTC End
2022-01-26 02:20:05.009
MJD Start
59605.09311353
MJD End
59605.09728019666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0048605
Ambient temperature (°C)
14.66
Seeing (arcsec)
0.775
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 43.6650 44.2300 42.1000 42.1000
U1-U3 84.0560 85.0660 47.5000 47.3000
U1-U4 127.1110 127.6930 66.2470 65.5610
U2-U3 40.8030 41.2250 53.4000 53.0000
U2-U4 89.0960 88.8930 77.8340 77.0020
U3-U4 54.6280 53.8970 95.8430 95.1140
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 59605.09311353
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 43.665
HIERARCH ESO ISS PBL12 END 44.23
HIERARCH ESO ISS PBLA12 START 42.1
HIERARCH ESO ISS PBLA12 END 42.1
HIERARCH ESO ISS PBL13 START 84.056
HIERARCH ESO ISS PBL13 END 85.066
HIERARCH ESO ISS PBLA13 START 47.5
HIERARCH ESO ISS PBLA13 END 47.3
HIERARCH ESO ISS PBL14 START 127.111
HIERARCH ESO ISS PBL14 END 127.693
HIERARCH ESO ISS PBLA14 START 66.247
HIERARCH ESO ISS PBLA14 END 65.561
HIERARCH ESO ISS PBL23 START 40.803
HIERARCH ESO ISS PBL23 END 41.225
HIERARCH ESO ISS PBLA23 START 53.4
HIERARCH ESO ISS PBLA23 END 53.0
HIERARCH ESO ISS PBL24 START 89.096
HIERARCH ESO ISS PBL24 END 88.893
HIERARCH ESO ISS PBLA24 START 77.834
HIERARCH ESO ISS PBLA24 END 77.002
HIERARCH ESO ISS PBL34 START 54.628
HIERARCH ESO ISS PBL34 END 53.897
HIERARCH ESO ISS PBLA34 START 95.843
HIERARCH ESO ISS PBLA34 END 95.114
HIERARCH ESO ISS AMBI TAU0 START 0.005197
HIERARCH ESO ISS AMBI TAU0 END 0.004524
HIERARCH ESO ISS AMBI TEMP 14.66
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.88
HIERARCH ESO FT ROBJ NAME AB_Aur
HIERARCH ESO FT ROBJ ALPHA 045545.845
HIERARCH ESO FT ROBJ DELTA 303304.293