Exposure
ID
GRAVI.2023-01-08T02:52:10.238_1
Header ID
GRAVI.2023-01-08T02:52:10.238
Date updated
2023-01-08 03:05:43 UTC+0000
Release date
2024-01-08 03:05:43 UTC+0000
UTC Start
2023-01-08 02:52:10.238
UTC End
2023-01-08 02:58:10.238
MJD Start
59952.11956294
MJD End
59952.12372960667
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.004521000000000001
Ambient temperature (°C)
11.73
Seeing (arcsec)
0.655
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 40.4670 41.0840 41.5000 41.7000
U1-U3 78.1800 79.3350 48.1000 48.0000
U1-U4 122.9150 123.8390 69.7750 69.1320
U2-U3 38.2620 38.7730 55.0000 54.8000
U2-U4 89.3620 89.4190 82.1680 81.3700
U3-U4 57.9980 57.4380 99.6790 98.9670
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 59952.11956294
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 40.467
HIERARCH ESO ISS PBL12 END 41.084
HIERARCH ESO ISS PBLA12 START 41.5
HIERARCH ESO ISS PBLA12 END 41.7
HIERARCH ESO ISS PBL13 START 78.18
HIERARCH ESO ISS PBL13 END 79.335
HIERARCH ESO ISS PBLA13 START 48.1
HIERARCH ESO ISS PBLA13 END 48.0
HIERARCH ESO ISS PBL14 START 122.915
HIERARCH ESO ISS PBL14 END 123.839
HIERARCH ESO ISS PBLA14 START 69.775
HIERARCH ESO ISS PBLA14 END 69.132
HIERARCH ESO ISS PBL23 START 38.262
HIERARCH ESO ISS PBL23 END 38.773
HIERARCH ESO ISS PBLA23 START 55.0
HIERARCH ESO ISS PBLA23 END 54.8
HIERARCH ESO ISS PBL24 START 89.362
HIERARCH ESO ISS PBL24 END 89.419
HIERARCH ESO ISS PBLA24 START 82.168
HIERARCH ESO ISS PBLA24 END 81.37
HIERARCH ESO ISS PBL34 START 57.998
HIERARCH ESO ISS PBL34 END 57.438
HIERARCH ESO ISS PBLA34 START 99.679
HIERARCH ESO ISS PBLA34 END 98.967
HIERARCH ESO ISS AMBI TAU0 START 0.004805
HIERARCH ESO ISS AMBI TAU0 END 0.004237
HIERARCH ESO ISS AMBI TEMP 11.73
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.63
HIERARCH ESO FT ROBJ NAME AB_Aur
HIERARCH ESO FT ROBJ ALPHA 045545.845
HIERARCH ESO FT ROBJ DELTA 303304.293