Exposure
ID
GRAVI.2022-01-26T02:07:25.992_2
Header ID
GRAVI.2022-01-26T02:07:25.992
Date updated
2022-01-26 02:26:01 UTC+0000
Release date
2023-01-26 02:26:01 UTC+0000
UTC Start
2022-01-26 02:07:25.992
UTC End
2022-01-26 02:13:25.992
MJD Start
59605.08849528
MJD End
59605.0926619467
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0045285
Ambient temperature (°C)
14.69
Seeing (arcsec)
0.87
Observation
ID
49346
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
36917
Name
AB_Aur
RA
73.9410208333333
DEC
30.5511925
Instrument
Interferometer
VLTI
Instrument
GRAVITY_FT
Instrument mode
LOW
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 43.0570 43.6340 42.0000 42.0000
U1-U3 82.9610 84.0010 47.7000 47.5000
U1-U4 126.4300 127.0790 66.9590 66.2830
U2-U3 40.3410 40.7800 53.7000 53.4000
U2-U4 89.2580 89.1050 78.7010 77.8780
U3-U4 55.3630 54.6660 96.6040 95.8810
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 59605.08849528
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 43.057
HIERARCH ESO ISS PBL12 END 43.634
HIERARCH ESO ISS PBLA12 START 42.0
HIERARCH ESO ISS PBLA12 END 42.0
HIERARCH ESO ISS PBL13 START 82.961
HIERARCH ESO ISS PBL13 END 84.001
HIERARCH ESO ISS PBLA13 START 47.7
HIERARCH ESO ISS PBLA13 END 47.5
HIERARCH ESO ISS PBL14 START 126.43
HIERARCH ESO ISS PBL14 END 127.079
HIERARCH ESO ISS PBLA14 START 66.959
HIERARCH ESO ISS PBLA14 END 66.283
HIERARCH ESO ISS PBL23 START 40.341
HIERARCH ESO ISS PBL23 END 40.78
HIERARCH ESO ISS PBLA23 START 53.7
HIERARCH ESO ISS PBLA23 END 53.4
HIERARCH ESO ISS PBL24 START 89.258
HIERARCH ESO ISS PBL24 END 89.105
HIERARCH ESO ISS PBLA24 START 78.701
HIERARCH ESO ISS PBLA24 END 77.878
HIERARCH ESO ISS PBL34 START 55.363
HIERARCH ESO ISS PBL34 END 54.666
HIERARCH ESO ISS PBLA34 START 96.604
HIERARCH ESO ISS PBLA34 END 95.881
HIERARCH ESO ISS AMBI TAU0 START 0.00386
HIERARCH ESO ISS AMBI TAU0 END 0.005197
HIERARCH ESO ISS AMBI TEMP 14.69
HIERARCH ESO ISS AMBI FWHM START 1.07
HIERARCH ESO ISS AMBI FWHM END 0.67
HIERARCH ESO FT ROBJ NAME AB_Aur
HIERARCH ESO FT ROBJ ALPHA 045545.845
HIERARCH ESO FT ROBJ DELTA 303304.293