Exposure
ID
GRAVI.2023-02-11T01:14:05.827_1
Header ID
GRAVI.2023-02-11T01:14:05.827
Date updated
2023-02-11 01:26:07 UTC+0000
Release date
2024-02-11 01:26:07 UTC+0000
UTC Start
2023-02-11 01:14:05.827
UTC End
2023-02-11 01:19:25.827
MJD Start
59986.05145633
MJD End
59986.0551600337
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.0052335
Ambient temperature (°C)
15.46
Seeing (arcsec)
0.78
Observation
ID
54109
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
40206
Name
ABAur_f1
RA
73.942934
DEC
30.55096
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 43.8360 44.3420 42.1000 42.1000
U1-U3 84.3620 85.2640 47.5000 47.3000
U1-U4 127.2930 127.8020 66.0420 65.4230
U2-U3 40.9320 41.3070 53.3000 52.9000
U2-U4 89.0400 88.8470 77.5840 76.8340
U3-U4 54.4100 53.7450 95.6220 94.9650
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 59986.05145633
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V AB Aur
HIERARCH ESO INS SOBJ NAME ABAur_f1
RA 73.942934
DEC 30.55096
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 339.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 43.836
HIERARCH ESO ISS PBL12 END 44.342
HIERARCH ESO ISS PBLA12 START 42.1
HIERARCH ESO ISS PBLA12 END 42.1
HIERARCH ESO ISS PBL13 START 84.362
HIERARCH ESO ISS PBL13 END 85.264
HIERARCH ESO ISS PBLA13 START 47.5
HIERARCH ESO ISS PBLA13 END 47.3
HIERARCH ESO ISS PBL14 START 127.293
HIERARCH ESO ISS PBL14 END 127.802
HIERARCH ESO ISS PBLA14 START 66.042
HIERARCH ESO ISS PBLA14 END 65.423
HIERARCH ESO ISS PBL23 START 40.932
HIERARCH ESO ISS PBL23 END 41.307
HIERARCH ESO ISS PBLA23 START 53.3
HIERARCH ESO ISS PBLA23 END 52.9
HIERARCH ESO ISS PBL24 START 89.04
HIERARCH ESO ISS PBL24 END 88.847
HIERARCH ESO ISS PBLA24 START 77.584
HIERARCH ESO ISS PBLA24 END 76.834
HIERARCH ESO ISS PBL34 START 54.41
HIERARCH ESO ISS PBL34 END 53.745
HIERARCH ESO ISS PBLA34 START 95.622
HIERARCH ESO ISS PBLA34 END 94.965
HIERARCH ESO ISS AMBI TAU0 START 0.005034
HIERARCH ESO ISS AMBI TAU0 END 0.005433
HIERARCH ESO ISS AMBI TEMP 15.46
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.74
HIERARCH ESO FT ROBJ NAME AB_Aur
HIERARCH ESO FT ROBJ ALPHA 045545.845
HIERARCH ESO FT ROBJ DELTA 303304.293