Exposure
ID
GRAVI.2023-01-08T03:05:25.272_1
Header ID
GRAVI.2023-01-08T03:05:25.272
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 03:05:25.272
UTC End
2023-01-08 03:11:25.272
MJD Start
59952.12876472
MJD End
59952.132931386666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.0045565
Ambient temperature (°C)
11.79
Seeing (arcsec)
0.62
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 41.7590 42.3580 41.8000 41.9000
U1-U3 80.5890 81.6890 47.9000 47.8000
U1-U4 124.7900 125.5780 68.4110 67.7530
U2-U3 39.3210 39.7970 54.4000 54.1000
U2-U4 89.4240 89.3770 80.4790 79.6710
U3-U4 56.7790 56.1510 98.1740 97.4590
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 59952.12876472
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 41.759
HIERARCH ESO ISS PBL12 END 42.358
HIERARCH ESO ISS PBLA12 START 41.8
HIERARCH ESO ISS PBLA12 END 41.9
HIERARCH ESO ISS PBL13 START 80.589
HIERARCH ESO ISS PBL13 END 81.689
HIERARCH ESO ISS PBLA13 START 47.9
HIERARCH ESO ISS PBLA13 END 47.8
HIERARCH ESO ISS PBL14 START 124.79
HIERARCH ESO ISS PBL14 END 125.578
HIERARCH ESO ISS PBLA14 START 68.411
HIERARCH ESO ISS PBLA14 END 67.753
HIERARCH ESO ISS PBL23 START 39.321
HIERARCH ESO ISS PBL23 END 39.797
HIERARCH ESO ISS PBLA23 START 54.4
HIERARCH ESO ISS PBLA23 END 54.1
HIERARCH ESO ISS PBL24 START 89.424
HIERARCH ESO ISS PBL24 END 89.377
HIERARCH ESO ISS PBLA24 START 80.479
HIERARCH ESO ISS PBLA24 END 79.671
HIERARCH ESO ISS PBL34 START 56.779
HIERARCH ESO ISS PBL34 END 56.151
HIERARCH ESO ISS PBLA34 START 98.174
HIERARCH ESO ISS PBLA34 END 97.459
HIERARCH ESO ISS AMBI TAU0 START 0.004593
HIERARCH ESO ISS AMBI TAU0 END 0.00452
HIERARCH ESO ISS AMBI TEMP 11.79
HIERARCH ESO ISS AMBI FWHM START 0.61
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