Exposure
ID
GRAVI.2023-01-08T03:33:49.343_1
Header ID
GRAVI.2023-01-08T03:33:49.343
Date updated
2023-01-08 03:45:41 UTC+0000
Release date
2024-01-08 03:45:41 UTC+0000
UTC Start
2023-01-08 03:33:49.343
UTC End
2023-01-08 03:39:49.343
MJD Start
59952.14848777
MJD End
59952.152654436664
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.004428
Ambient temperature (°C)
11.48
Seeing (arcsec)
0.675
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 44.3790 44.9340 42.1000 42.0000
U1-U3 85.3300 86.3080 47.3000 47.1000
U1-U4 127.8370 128.3420 65.3780 64.6760
U2-U3 41.3340 41.7370 52.9000 52.5000
U2-U4 88.8310 88.5680 76.7800 75.9310
U3-U4 53.6960 52.9220 94.9180 94.1770
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 59952.14848777
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 44.379
HIERARCH ESO ISS PBL12 END 44.934
HIERARCH ESO ISS PBLA12 START 42.1
HIERARCH ESO ISS PBLA12 END 42.0
HIERARCH ESO ISS PBL13 START 85.33
HIERARCH ESO ISS PBL13 END 86.308
HIERARCH ESO ISS PBLA13 START 47.3
HIERARCH ESO ISS PBLA13 END 47.1
HIERARCH ESO ISS PBL14 START 127.837
HIERARCH ESO ISS PBL14 END 128.342
HIERARCH ESO ISS PBLA14 START 65.378
HIERARCH ESO ISS PBLA14 END 64.676
HIERARCH ESO ISS PBL23 START 41.334
HIERARCH ESO ISS PBL23 END 41.737
HIERARCH ESO ISS PBLA23 START 52.9
HIERARCH ESO ISS PBLA23 END 52.5
HIERARCH ESO ISS PBL24 START 88.831
HIERARCH ESO ISS PBL24 END 88.568
HIERARCH ESO ISS PBLA24 START 76.78
HIERARCH ESO ISS PBLA24 END 75.931
HIERARCH ESO ISS PBL34 START 53.696
HIERARCH ESO ISS PBL34 END 52.922
HIERARCH ESO ISS PBLA34 START 94.918
HIERARCH ESO ISS PBLA34 END 94.177
HIERARCH ESO ISS AMBI TAU0 START 0.004507
HIERARCH ESO ISS AMBI TAU0 END 0.004349
HIERARCH ESO ISS AMBI TEMP 11.48
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.71
HIERARCH ESO FT ROBJ NAME AB_Aur
HIERARCH ESO FT ROBJ ALPHA 045545.845
HIERARCH ESO FT ROBJ DELTA 303304.293