Exposure
ID
GRAVI.2023-02-11T01:55:47.932_1
Header ID
GRAVI.2023-02-11T01:55:47.932
Date updated
2023-02-11 02:10:31 UTC+0000
Release date
2024-02-11 02:10:31 UTC+0000
UTC Start
2023-02-11 01:55:47.932
UTC End
2023-02-11 02:01:07.932
MJD Start
59986.08041588
MJD End
59986.0841195837
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.006228
Ambient temperature (°C)
15.29
Seeing (arcsec)
0.755
Observation
ID
54109
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
40206
Name
ABAur_f1
RA
73.942934
DEC
30.55096
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 47.3410 47.7750 41.6000 41.5000
U1-U3 90.4470 91.1720 45.9000 45.6000
U1-U4 129.8800 130.0300 61.2830 60.5980
U2-U3 43.3790 43.6550 50.6000 50.1000
U2-U4 86.7610 86.3040 71.8490 71.0260
U3-U4 48.9470 48.1080 90.6240 89.9060
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 59986.08041588
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V AB Aur
HIERARCH ESO INS SOBJ NAME ABAur_f1
RA 73.942934
DEC 30.55096
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 339.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 47.341
HIERARCH ESO ISS PBL12 END 47.775
HIERARCH ESO ISS PBLA12 START 41.6
HIERARCH ESO ISS PBLA12 END 41.5
HIERARCH ESO ISS PBL13 START 90.447
HIERARCH ESO ISS PBL13 END 91.172
HIERARCH ESO ISS PBLA13 START 45.9
HIERARCH ESO ISS PBLA13 END 45.6
HIERARCH ESO ISS PBL14 START 129.88
HIERARCH ESO ISS PBL14 END 130.03
HIERARCH ESO ISS PBLA14 START 61.283
HIERARCH ESO ISS PBLA14 END 60.598
HIERARCH ESO ISS PBL23 START 43.379
HIERARCH ESO ISS PBL23 END 43.655
HIERARCH ESO ISS PBLA23 START 50.6
HIERARCH ESO ISS PBLA23 END 50.1
HIERARCH ESO ISS PBL24 START 86.761
HIERARCH ESO ISS PBL24 END 86.304
HIERARCH ESO ISS PBLA24 START 71.849
HIERARCH ESO ISS PBLA24 END 71.026
HIERARCH ESO ISS PBL34 START 48.947
HIERARCH ESO ISS PBL34 END 48.108
HIERARCH ESO ISS PBLA34 START 90.624
HIERARCH ESO ISS PBLA34 END 89.906
HIERARCH ESO ISS AMBI TAU0 START 0.006298
HIERARCH ESO ISS AMBI TAU0 END 0.006158
HIERARCH ESO ISS AMBI TEMP 15.29
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 0.81
HIERARCH ESO FT ROBJ NAME AB_Aur
HIERARCH ESO FT ROBJ ALPHA 045545.845
HIERARCH ESO FT ROBJ DELTA 303304.293