Exposure
ID
GRAVI.2023-01-08T03:50:01.384_1
Header ID
GRAVI.2023-01-08T03:50:01.384
Date updated
2023-01-08 04:05:29 UTC+0000
Release date
2024-01-08 04:05:29 UTC+0000
UTC Start
2023-01-08 03:50:01.384
UTC End
2023-01-08 03:56:01.384
MJD Start
59952.15973824
MJD End
59952.163904906665
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.005142000000000001
Ambient temperature (°C)
11.56
Seeing (arcsec)
0.66
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 45.7740 46.2950 42.0000 41.9000
U1-U3 87.7730 88.6710 46.7000 46.5000
U1-U4 129.0050 129.3500 63.5610 62.8360
U2-U3 42.3300 42.6870 51.9000 51.5000
U2-U4 88.0670 87.6890 74.5880 73.7150
U3-U4 51.6550 50.8080 93.0070 92.2480
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 59952.15973824
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 45.774
HIERARCH ESO ISS PBL12 END 46.295
HIERARCH ESO ISS PBLA12 START 42.0
HIERARCH ESO ISS PBLA12 END 41.9
HIERARCH ESO ISS PBL13 START 87.773
HIERARCH ESO ISS PBL13 END 88.671
HIERARCH ESO ISS PBLA13 START 46.7
HIERARCH ESO ISS PBLA13 END 46.5
HIERARCH ESO ISS PBL14 START 129.005
HIERARCH ESO ISS PBL14 END 129.35
HIERARCH ESO ISS PBLA14 START 63.561
HIERARCH ESO ISS PBLA14 END 62.836
HIERARCH ESO ISS PBL23 START 42.33
HIERARCH ESO ISS PBL23 END 42.687
HIERARCH ESO ISS PBLA23 START 51.9
HIERARCH ESO ISS PBLA23 END 51.5
HIERARCH ESO ISS PBL24 START 88.067
HIERARCH ESO ISS PBL24 END 87.689
HIERARCH ESO ISS PBLA24 START 74.588
HIERARCH ESO ISS PBLA24 END 73.715
HIERARCH ESO ISS PBL34 START 51.655
HIERARCH ESO ISS PBL34 END 50.808
HIERARCH ESO ISS PBLA34 START 93.007
HIERARCH ESO ISS PBLA34 END 92.248
HIERARCH ESO ISS AMBI TAU0 START 0.0051
HIERARCH ESO ISS AMBI TAU0 END 0.005184
HIERARCH ESO ISS AMBI TEMP 11.56
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.66
HIERARCH ESO FT ROBJ NAME AB_Aur
HIERARCH ESO FT ROBJ ALPHA 045545.845
HIERARCH ESO FT ROBJ DELTA 303304.293