Exposure
ID
GRAVI.2022-12-14T04:00:23.309_1
Header ID
GRAVI.2022-12-14T04:00:23.309
Date updated
2022-12-14 04:10:58 UTC+0000
Release date
2023-12-14 04:10:57 UTC+0000
UTC Start
2022-12-14 04:00:23.309
UTC End
2022-12-14 04:03:03.309
MJD Start
59927.16693645
MJD End
59927.1687883019
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0131755
Ambient temperature (°C)
13.33
Seeing (arcsec)
0.55
Observation
ID
53469
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
39760
Name
GGTau-Ab
RA
68.128499
DEC
17.52806
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 46.3450 46.5720 34.5000 34.7000
U1-U3 86.8300 87.2710 41.2000 41.3000
U1-U4 125.2710 125.6660 66.4460 66.3010
U2-U3 41.1670 41.3700 48.8000 48.9000
U2-U4 89.3750 89.4070 82.3730 82.1510
U3-U4 59.5680 59.3380 104.8130 104.6470
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 59927.16693645
HIERARCH ESO DPR TECH INTERFEROMETRY,WOLLASTON
HIERARCH ESO OBS TARG NAME GG Tau A
HIERARCH ESO INS SOBJ NAME GGTau-Ab
RA 68.128499
DEC 17.52806
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 46.345
HIERARCH ESO ISS PBL12 END 46.572
HIERARCH ESO ISS PBLA12 START 34.5
HIERARCH ESO ISS PBLA12 END 34.7
HIERARCH ESO ISS PBL13 START 86.83
HIERARCH ESO ISS PBL13 END 87.271
HIERARCH ESO ISS PBLA13 START 41.2
HIERARCH ESO ISS PBLA13 END 41.3
HIERARCH ESO ISS PBL14 START 125.271
HIERARCH ESO ISS PBL14 END 125.666
HIERARCH ESO ISS PBLA14 START 66.446
HIERARCH ESO ISS PBLA14 END 66.301
HIERARCH ESO ISS PBL23 START 41.167
HIERARCH ESO ISS PBL23 END 41.37
HIERARCH ESO ISS PBLA23 START 48.8
HIERARCH ESO ISS PBLA23 END 48.9
HIERARCH ESO ISS PBL24 START 89.375
HIERARCH ESO ISS PBL24 END 89.407
HIERARCH ESO ISS PBLA24 START 82.373
HIERARCH ESO ISS PBLA24 END 82.151
HIERARCH ESO ISS PBL34 START 59.568
HIERARCH ESO ISS PBL34 END 59.338
HIERARCH ESO ISS PBLA34 START 104.813
HIERARCH ESO ISS PBLA34 END 104.647
HIERARCH ESO ISS AMBI TAU0 START 0.013375
HIERARCH ESO ISS AMBI TAU0 END 0.012976
HIERARCH ESO ISS AMBI TEMP 13.33
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.48
HIERARCH ESO FT ROBJ NAME GGTau-Aa
HIERARCH ESO FT ROBJ ALPHA 043230.332
HIERARCH ESO FT ROBJ DELTA 173141.080