Exposure
ID
GRAVI.2022-01-23T01:19:36.839_1
Header ID
GRAVI.2022-01-23T01:19:36.839
Date updated
2022-01-23 01:25:52 UTC+0000
Release date
2023-01-23 01:25:52 UTC+0000
UTC Start
2022-01-23 01:19:36.839
UTC End
2022-01-23 01:20:00.839
MJD Start
59602.05528749
MJD End
59602.05556526778
Exposure time (s)
24.0
Validation level
1
Tau 0: Coherence time (s)
0.003743
Ambient temperature (°C)
14.16
Seeing (arcsec)
1.28
Observation
ID
49345
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
36916
Name
ABAur_f1
RA
73.942871
DEC
30.551
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 37.1770 37.2560 40.0000 40.0000
U1-U3 71.8380 71.9940 47.8000 47.9000
U1-U4 117.1110 117.2680 72.9890 72.9150
U2-U3 35.3760 35.4490 56.1000 56.1000
U2-U4 88.2790 88.3200 86.2460 86.1500
U3-U4 60.3600 60.3150 103.3620 103.2750
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 59602.05528749
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V AB Aur
HIERARCH ESO INS SOBJ NAME ABAur_f1
RA 73.942871
DEC 30.551
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 48.0
HIERARCH ESO DET2 SEQ1 DIT 0.3
HIERARCH ESO DET2 NDIT 80
HIERARCH ESO ISS PBL12 START 37.177
HIERARCH ESO ISS PBL12 END 37.256
HIERARCH ESO ISS PBLA12 START 40.0
HIERARCH ESO ISS PBLA12 END 40.0
HIERARCH ESO ISS PBL13 START 71.838
HIERARCH ESO ISS PBL13 END 71.994
HIERARCH ESO ISS PBLA13 START 47.8
HIERARCH ESO ISS PBLA13 END 47.9
HIERARCH ESO ISS PBL14 START 117.111
HIERARCH ESO ISS PBL14 END 117.268
HIERARCH ESO ISS PBLA14 START 72.989
HIERARCH ESO ISS PBLA14 END 72.915
HIERARCH ESO ISS PBL23 START 35.376
HIERARCH ESO ISS PBL23 END 35.449
HIERARCH ESO ISS PBLA23 START 56.1
HIERARCH ESO ISS PBLA23 END 56.1
HIERARCH ESO ISS PBL24 START 88.279
HIERARCH ESO ISS PBL24 END 88.32
HIERARCH ESO ISS PBLA24 START 86.246
HIERARCH ESO ISS PBLA24 END 86.15
HIERARCH ESO ISS PBL34 START 60.36
HIERARCH ESO ISS PBL34 END 60.315
HIERARCH ESO ISS PBLA34 START 103.362
HIERARCH ESO ISS PBLA34 END 103.275
HIERARCH ESO ISS AMBI TAU0 START 0.003743
HIERARCH ESO ISS AMBI TAU0 END 0.003743
HIERARCH ESO ISS AMBI TEMP 14.16
HIERARCH ESO ISS AMBI FWHM START 1.28
HIERARCH ESO ISS AMBI FWHM END 1.28
HIERARCH ESO FT ROBJ NAME AB_Aur
HIERARCH ESO FT ROBJ ALPHA 045545.845
HIERARCH ESO FT ROBJ DELTA 303304.293