Exposure
ID
GRAVI.2023-01-08T03:12:16.289_1
Header ID
GRAVI.2023-01-08T03:12:16.289
Date updated
2023-01-08 03:20:39 UTC+0000
Release date
2024-01-08 03:20:39 UTC+0000
UTC Start
2023-01-08 03:12:16.289
UTC End
2023-01-08 03:12:40.289
MJD Start
59952.13352186
MJD End
59952.13379963778
Exposure time (s)
24.0
Validation level
1
Tau 0: Coherence time (s)
0.00452
Ambient temperature (°C)
11.77
Seeing (arcsec)
0.615
Observation
ID
53770
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
39971
Name
ABAur_f1
RA
73.942915
DEC
30.55093
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 42.4050 42.4770 41.9000 41.9000
U1-U3 81.7750 81.9070 47.8000 47.8000
U1-U4 125.6370 125.7280 67.7000 67.6200
U2-U3 39.8340 39.8900 54.1000 54.1000
U2-U4 89.3710 89.3610 79.6060 79.5070
U3-U4 56.0990 56.0200 97.4020 97.3150
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 59952.13352186
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V AB Aur
HIERARCH ESO INS SOBJ NAME ABAur_f1
RA 73.942915
DEC 30.55093
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 48.0
HIERARCH ESO DET2 SEQ1 DIT 0.3
HIERARCH ESO DET2 NDIT 80
HIERARCH ESO ISS PBL12 START 42.405
HIERARCH ESO ISS PBL12 END 42.477
HIERARCH ESO ISS PBLA12 START 41.9
HIERARCH ESO ISS PBLA12 END 41.9
HIERARCH ESO ISS PBL13 START 81.775
HIERARCH ESO ISS PBL13 END 81.907
HIERARCH ESO ISS PBLA13 START 47.8
HIERARCH ESO ISS PBLA13 END 47.8
HIERARCH ESO ISS PBL14 START 125.637
HIERARCH ESO ISS PBL14 END 125.728
HIERARCH ESO ISS PBLA14 START 67.7
HIERARCH ESO ISS PBLA14 END 67.62
HIERARCH ESO ISS PBL23 START 39.834
HIERARCH ESO ISS PBL23 END 39.89
HIERARCH ESO ISS PBLA23 START 54.1
HIERARCH ESO ISS PBLA23 END 54.1
HIERARCH ESO ISS PBL24 START 89.371
HIERARCH ESO ISS PBL24 END 89.361
HIERARCH ESO ISS PBLA24 START 79.606
HIERARCH ESO ISS PBLA24 END 79.507
HIERARCH ESO ISS PBL34 START 56.099
HIERARCH ESO ISS PBL34 END 56.02
HIERARCH ESO ISS PBLA34 START 97.402
HIERARCH ESO ISS PBLA34 END 97.315
HIERARCH ESO ISS AMBI TAU0 START 0.00452
HIERARCH ESO ISS AMBI TAU0 END 0.00452
HIERARCH ESO ISS AMBI TEMP 11.77
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.6
HIERARCH ESO FT ROBJ NAME AB_Aur
HIERARCH ESO FT ROBJ ALPHA 045545.845
HIERARCH ESO FT ROBJ DELTA 303304.293