Exposure
ID
GRAVI.2023-01-09T04:27:31.445_1
Header ID
GRAVI.2023-01-09T04:27:31.445
Date updated
2023-01-09 04:35:39 UTC+0000
Release date
2024-01-09 04:35:39 UTC+0000
UTC Start
2023-01-09 04:27:31.445
UTC End
2023-01-09 04:30:11.445
MJD Start
59953.18578061
MJD End
59953.1876324619
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0055225
Ambient temperature (°C)
12.59
Seeing (arcsec)
0.705
Observation
ID
53788
Category
science
Program ID
110.240V.003
Program Title
FORMING PLANETS IN THE MULTIPLE STAR SYSTEM GG TAU
Program Type
Normal
PI / COI
DI FOLCO/ DUTREY/ BOCCALETTI/ GUILLOTEAU/ PANTIN/ TANG/ BECK/ BARY
Target
ID
39985
Name
GGTau-Ab
RA
68.128489
DEC
17.52783
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
LOW-SPLIT
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 54.2110 54.3290 36.9000 36.8000
U1-U3 100.3980 100.5580 40.7000 40.6000
U1-U4 127.5990 127.3230 56.9880 56.6830
U2-U3 46.4520 46.4870 45.2000 45.1000
U2-U4 78.9130 78.4180 70.6380 70.2860
U3-U4 41.9740 41.4060 98.9650 98.8630
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 110.240V.003
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 59953.18578061
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME GG Tau A
HIERARCH ESO INS SOBJ NAME GGTau-Ab
RA 68.128489
DEC 17.52783
HIERARCH ESO INS SPEC RES LOW
HIERARCH ESO INS POLA MODE SPLIT
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 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 54.211
HIERARCH ESO ISS PBL12 END 54.329
HIERARCH ESO ISS PBLA12 START 36.9
HIERARCH ESO ISS PBLA12 END 36.8
HIERARCH ESO ISS PBL13 START 100.398
HIERARCH ESO ISS PBL13 END 100.558
HIERARCH ESO ISS PBLA13 START 40.7
HIERARCH ESO ISS PBLA13 END 40.6
HIERARCH ESO ISS PBL14 START 127.599
HIERARCH ESO ISS PBL14 END 127.323
HIERARCH ESO ISS PBLA14 START 56.988
HIERARCH ESO ISS PBLA14 END 56.683
HIERARCH ESO ISS PBL23 START 46.452
HIERARCH ESO ISS PBL23 END 46.487
HIERARCH ESO ISS PBLA23 START 45.2
HIERARCH ESO ISS PBLA23 END 45.1
HIERARCH ESO ISS PBL24 START 78.913
HIERARCH ESO ISS PBL24 END 78.418
HIERARCH ESO ISS PBLA24 START 70.638
HIERARCH ESO ISS PBLA24 END 70.286
HIERARCH ESO ISS PBL34 START 41.974
HIERARCH ESO ISS PBL34 END 41.406
HIERARCH ESO ISS PBLA34 START 98.965
HIERARCH ESO ISS PBLA34 END 98.863
HIERARCH ESO ISS AMBI TAU0 START 0.005197
HIERARCH ESO ISS AMBI TAU0 END 0.005848
HIERARCH ESO ISS AMBI TEMP 12.59
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.65
HIERARCH ESO FT ROBJ NAME GGTau-Aa
HIERARCH ESO FT ROBJ ALPHA 043230.332
HIERARCH ESO FT ROBJ DELTA 173141.080