Exposure
ID
GRAVI.2022-01-23T01:50:21.916_1
Header ID
GRAVI.2022-01-23T01:50:21.916
Date updated
2022-01-23 02:05:56 UTC+0000
Release date
2023-01-23 02:05:56 UTC+0000
UTC Start
2022-01-23 01:50:21.916
UTC End
2022-01-23 01:56:21.916
MJD Start
59602.07664255
MJD End
59602.0808092167
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.005599
Ambient temperature (°C)
14.39
Seeing (arcsec)
0.895
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 40.2930 40.9120 41.4000 41.6000
U1-U3 77.8530 79.0160 48.1000 48.0000
U1-U4 122.6440 123.5870 69.9500 69.3100
U2-U3 38.1170 38.6320 55.1000 54.8000
U2-U4 89.3370 89.4080 82.3890 81.5920
U3-U4 58.1490 57.5990 99.8770 99.1650
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 59602.07664255
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 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 40.293
HIERARCH ESO ISS PBL12 END 40.912
HIERARCH ESO ISS PBLA12 START 41.4
HIERARCH ESO ISS PBLA12 END 41.6
HIERARCH ESO ISS PBL13 START 77.853
HIERARCH ESO ISS PBL13 END 79.016
HIERARCH ESO ISS PBLA13 START 48.1
HIERARCH ESO ISS PBLA13 END 48.0
HIERARCH ESO ISS PBL14 START 122.644
HIERARCH ESO ISS PBL14 END 123.587
HIERARCH ESO ISS PBLA14 START 69.95
HIERARCH ESO ISS PBLA14 END 69.31
HIERARCH ESO ISS PBL23 START 38.117
HIERARCH ESO ISS PBL23 END 38.632
HIERARCH ESO ISS PBLA23 START 55.1
HIERARCH ESO ISS PBLA23 END 54.8
HIERARCH ESO ISS PBL24 START 89.337
HIERARCH ESO ISS PBL24 END 89.408
HIERARCH ESO ISS PBLA24 START 82.389
HIERARCH ESO ISS PBLA24 END 81.592
HIERARCH ESO ISS PBL34 START 58.149
HIERARCH ESO ISS PBL34 END 57.599
HIERARCH ESO ISS PBLA34 START 99.877
HIERARCH ESO ISS PBLA34 END 99.165
HIERARCH ESO ISS AMBI TAU0 START 0.005269
HIERARCH ESO ISS AMBI TAU0 END 0.005929
HIERARCH ESO ISS AMBI TEMP 14.39
HIERARCH ESO ISS AMBI FWHM START 0.91
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