Exposure
ID
GRAVI.2023-01-08T03:27:13.326_1
Header ID
GRAVI.2023-01-08T03:27:13.326
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 03:27:13.326
UTC End
2023-01-08 03:33:13.326
MJD Start
59952.14390424
MJD End
59952.1480709067
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.00377
Ambient temperature (°C)
11.56
Seeing (arcsec)
0.72
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 43.7860 44.3500 42.1000 42.1000
U1-U3 84.2730 85.2770 47.5000 47.3000
U1-U4 127.2410 127.8090 66.1020 65.4140
U2-U3 40.8940 41.3120 53.3000 52.9000
U2-U4 89.0560 88.8440 77.6580 76.8240
U3-U4 54.4730 53.7360 95.6870 94.9570
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 59952.14390424
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 43.786
HIERARCH ESO ISS PBL12 END 44.35
HIERARCH ESO ISS PBLA12 START 42.1
HIERARCH ESO ISS PBLA12 END 42.1
HIERARCH ESO ISS PBL13 START 84.273
HIERARCH ESO ISS PBL13 END 85.277
HIERARCH ESO ISS PBLA13 START 47.5
HIERARCH ESO ISS PBLA13 END 47.3
HIERARCH ESO ISS PBL14 START 127.241
HIERARCH ESO ISS PBL14 END 127.809
HIERARCH ESO ISS PBLA14 START 66.102
HIERARCH ESO ISS PBLA14 END 65.414
HIERARCH ESO ISS PBL23 START 40.894
HIERARCH ESO ISS PBL23 END 41.312
HIERARCH ESO ISS PBLA23 START 53.3
HIERARCH ESO ISS PBLA23 END 52.9
HIERARCH ESO ISS PBL24 START 89.056
HIERARCH ESO ISS PBL24 END 88.844
HIERARCH ESO ISS PBLA24 START 77.658
HIERARCH ESO ISS PBLA24 END 76.824
HIERARCH ESO ISS PBL34 START 54.473
HIERARCH ESO ISS PBL34 END 53.736
HIERARCH ESO ISS PBLA34 START 95.687
HIERARCH ESO ISS PBLA34 END 94.957
HIERARCH ESO ISS AMBI TAU0 START 0.003668
HIERARCH ESO ISS AMBI TAU0 END 0.003872
HIERARCH ESO ISS AMBI TEMP 11.56
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.69
HIERARCH ESO FT ROBJ NAME AB_Aur
HIERARCH ESO FT ROBJ ALPHA 045545.845
HIERARCH ESO FT ROBJ DELTA 303304.293