Exposure
ID
GRAVI.2023-01-08T03:13:37.292_1
Header ID
GRAVI.2023-01-08T03:13:37.292
Date updated
2023-01-08 03:30:35 UTC+0000
Release date
2024-01-08 03:30:35 UTC+0000
UTC Start
2023-01-08 03:13:37.292
UTC End
2023-01-08 03:19:37.292
MJD Start
59952.1344594
MJD End
59952.13862606666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0044465
Ambient temperature (°C)
11.79
Seeing (arcsec)
0.605
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 42.5340 43.1200 41.9000 42.0000
U1-U3 82.0100 83.0750 47.8000 47.7000
U1-U4 125.7990 126.5040 67.5560 66.8880
U2-U3 39.9340 40.3890 54.0000 53.7000
U2-U4 89.3530 89.2440 79.4300 78.6130
U3-U4 55.9580 55.2890 97.2460 96.5270
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 59952.1344594
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 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 42.534
HIERARCH ESO ISS PBL12 END 43.12
HIERARCH ESO ISS PBLA12 START 41.9
HIERARCH ESO ISS PBLA12 END 42.0
HIERARCH ESO ISS PBL13 START 82.01
HIERARCH ESO ISS PBL13 END 83.075
HIERARCH ESO ISS PBLA13 START 47.8
HIERARCH ESO ISS PBLA13 END 47.7
HIERARCH ESO ISS PBL14 START 125.799
HIERARCH ESO ISS PBL14 END 126.504
HIERARCH ESO ISS PBLA14 START 67.556
HIERARCH ESO ISS PBLA14 END 66.888
HIERARCH ESO ISS PBL23 START 39.934
HIERARCH ESO ISS PBL23 END 40.389
HIERARCH ESO ISS PBLA23 START 54.0
HIERARCH ESO ISS PBLA23 END 53.7
HIERARCH ESO ISS PBL24 START 89.353
HIERARCH ESO ISS PBL24 END 89.244
HIERARCH ESO ISS PBLA24 START 79.43
HIERARCH ESO ISS PBLA24 END 78.613
HIERARCH ESO ISS PBL34 START 55.958
HIERARCH ESO ISS PBL34 END 55.289
HIERARCH ESO ISS PBLA34 START 97.246
HIERARCH ESO ISS PBLA34 END 96.527
HIERARCH ESO ISS AMBI TAU0 START 0.00452
HIERARCH ESO ISS AMBI TAU0 END 0.004373
HIERARCH ESO ISS AMBI TEMP 11.79
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.61
HIERARCH ESO FT ROBJ NAME AB_Aur
HIERARCH ESO FT ROBJ ALPHA 045545.845
HIERARCH ESO FT ROBJ DELTA 303304.293