Exposure
ID
GRAVI.2022-01-26T01:34:58.910_1
Header ID
GRAVI.2022-01-26T01:34:58.910
Date updated
2022-01-26 01:50:51 UTC+0000
Release date
2023-01-26 01:50:51 UTC+0000
UTC Start
2022-01-26 01:34:58.910
UTC End
2022-01-26 01:40:58.910
MJD Start
59605.06595961
MJD End
59605.0701262767
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.003431
Ambient temperature (°C)
14.43
Seeing (arcsec)
1.15
Observation
ID
49384
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
36948
Name
ABAur_f1
RA
73.942962
DEC
30.55095
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 39.9340 40.5610 41.3000 41.5000
U1-U3 77.1740 78.3570 48.1000 48.1000
U1-U4 122.0740 123.0590 70.3160 69.6760
U2-U3 37.8170 38.3410 55.2000 55.0000
U2-U4 89.2750 89.3740 82.8410 82.0460
U3-U4 58.4470 57.9160 100.2820 99.5700
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 59605.06595961
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V AB Aur
HIERARCH ESO INS SOBJ NAME ABAur_f1
RA 73.942962
DEC 30.55095
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 39.934
HIERARCH ESO ISS PBL12 END 40.561
HIERARCH ESO ISS PBLA12 START 41.3
HIERARCH ESO ISS PBLA12 END 41.5
HIERARCH ESO ISS PBL13 START 77.174
HIERARCH ESO ISS PBL13 END 78.357
HIERARCH ESO ISS PBLA13 START 48.1
HIERARCH ESO ISS PBLA13 END 48.1
HIERARCH ESO ISS PBL14 START 122.074
HIERARCH ESO ISS PBL14 END 123.059
HIERARCH ESO ISS PBLA14 START 70.316
HIERARCH ESO ISS PBLA14 END 69.676
HIERARCH ESO ISS PBL23 START 37.817
HIERARCH ESO ISS PBL23 END 38.341
HIERARCH ESO ISS PBLA23 START 55.2
HIERARCH ESO ISS PBLA23 END 55.0
HIERARCH ESO ISS PBL24 START 89.275
HIERARCH ESO ISS PBL24 END 89.374
HIERARCH ESO ISS PBLA24 START 82.841
HIERARCH ESO ISS PBLA24 END 82.046
HIERARCH ESO ISS PBL34 START 58.447
HIERARCH ESO ISS PBL34 END 57.916
HIERARCH ESO ISS PBLA34 START 100.282
HIERARCH ESO ISS PBLA34 END 99.57
HIERARCH ESO ISS AMBI TAU0 START 0.003637
HIERARCH ESO ISS AMBI TAU0 END 0.003225
HIERARCH ESO ISS AMBI TEMP 14.43
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 1.41
HIERARCH ESO FT ROBJ NAME AB_Aur
HIERARCH ESO FT ROBJ ALPHA 045545.845
HIERARCH ESO FT ROBJ DELTA 303304.293