Exposure
ID
GRAVI.2022-01-26T02:34:38.061_1
Header ID
GRAVI.2022-01-26T02:34:38.061
Date updated
2022-01-26 02:50:45 UTC+0000
Release date
2023-01-26 02:50:45 UTC+0000
UTC Start
2022-01-26 02:34:38.061
UTC End
2022-01-26 02:40:38.061
MJD Start
59605.10738496
MJD End
59605.111551626665
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.003984
Ambient temperature (°C)
14.35
Seeing (arcsec)
1.155
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 45.4700 45.9980 42.0000 41.9000
U1-U3 87.2460 88.1600 46.9000 46.6000
U1-U4 128.7800 129.1590 63.9710 63.2520
U2-U3 42.1180 42.4840 52.1000 51.7000
U2-U4 88.2630 87.9110 75.0820 74.2170
U3-U4 52.1280 51.2980 93.4380 92.6850
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 59605.10738496
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 45.47
HIERARCH ESO ISS PBL12 END 45.998
HIERARCH ESO ISS PBLA12 START 42.0
HIERARCH ESO ISS PBLA12 END 41.9
HIERARCH ESO ISS PBL13 START 87.246
HIERARCH ESO ISS PBL13 END 88.16
HIERARCH ESO ISS PBLA13 START 46.9
HIERARCH ESO ISS PBLA13 END 46.6
HIERARCH ESO ISS PBL14 START 128.78
HIERARCH ESO ISS PBL14 END 129.159
HIERARCH ESO ISS PBLA14 START 63.971
HIERARCH ESO ISS PBLA14 END 63.252
HIERARCH ESO ISS PBL23 START 42.118
HIERARCH ESO ISS PBL23 END 42.484
HIERARCH ESO ISS PBLA23 START 52.1
HIERARCH ESO ISS PBLA23 END 51.7
HIERARCH ESO ISS PBL24 START 88.263
HIERARCH ESO ISS PBL24 END 87.911
HIERARCH ESO ISS PBLA24 START 75.082
HIERARCH ESO ISS PBLA24 END 74.217
HIERARCH ESO ISS PBL34 START 52.128
HIERARCH ESO ISS PBL34 END 51.298
HIERARCH ESO ISS PBLA34 START 93.438
HIERARCH ESO ISS PBLA34 END 92.685
HIERARCH ESO ISS AMBI TAU0 START 0.003631
HIERARCH ESO ISS AMBI TAU0 END 0.004337
HIERARCH ESO ISS AMBI TEMP 14.35
HIERARCH ESO ISS AMBI FWHM START 1.31
HIERARCH ESO ISS AMBI FWHM END 1.0
HIERARCH ESO FT ROBJ NAME AB_Aur
HIERARCH ESO FT ROBJ ALPHA 045545.845
HIERARCH ESO FT ROBJ DELTA 303304.293