Exposure
ID
GRAVI.2021-01-09T02:22:25.769_1
Header ID
GRAVI.2021-01-09T02:22:25.769
Date updated
2021-01-09 02:41:07 UTC+0000
Release date
2022-01-09 02:41:07 UTC+0000
UTC Start
2021-01-09 02:22:25.769
UTC End
2021-01-09 02:28:25.769
MJD Start
59223.09890936
MJD End
59223.1030760267
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.003187
Ambient temperature (°C)
12.52
Seeing (arcsec)
0.75
Observation
ID
46309
Category
science
Program ID
106.212G.004
Program Title
THE INNER ASTRONOMICAL UNITS IN PROTOPLANETARY DISKS: A STATISTICAL APPROACH
Program Type
GTO
PI / COI
GARCIA LOPEZ/ CARATTI O GARATTI/ ROUSSELET-PERRAUT/ GARCIA/ BENISTY/ LABADIE/ BRANDNER/ KLARMANN/ HENNING/ KEPPLER/ SANCHEZ/ VAN BOEKEL/ PFUHL/ ECKART/ EISENHAUER/ LACOUR/ MENARD/ PAUMARD/ PERRIN/ STRAUBMEIER/ VAN DISHOECK/ BOUVIER/ DOUGADOS/ DUVERT/ ...
Target
ID
34832
Name
CITau
RA
68.469056
DEC
22.84159
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 44.1960 44.7360 37.1000 37.4000
U1-U3 83.7250 84.7540 43.8000 43.9000
U1-U4 124.6220 125.4760 67.5880 67.1340
U2-U3 40.1570 40.6200 51.1000 51.0000
U2-U4 89.3960 89.4290 82.1180 81.5050
U3-U4 58.7350 58.1870 102.7360 102.2380
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 106.212G.004
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 59223.09890936
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V CI Tau
HIERARCH ESO INS SOBJ NAME CITau
RA 68.469056
DEC 22.84159
HIERARCH ESO INS SPEC RES HIGH
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 377.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 44.196
HIERARCH ESO ISS PBL12 END 44.736
HIERARCH ESO ISS PBLA12 START 37.1
HIERARCH ESO ISS PBLA12 END 37.4
HIERARCH ESO ISS PBL13 START 83.725
HIERARCH ESO ISS PBL13 END 84.754
HIERARCH ESO ISS PBLA13 START 43.8
HIERARCH ESO ISS PBLA13 END 43.9
HIERARCH ESO ISS PBL14 START 124.622
HIERARCH ESO ISS PBL14 END 125.476
HIERARCH ESO ISS PBLA14 START 67.588
HIERARCH ESO ISS PBLA14 END 67.134
HIERARCH ESO ISS PBL23 START 40.157
HIERARCH ESO ISS PBL23 END 40.62
HIERARCH ESO ISS PBLA23 START 51.1
HIERARCH ESO ISS PBLA23 END 51.0
HIERARCH ESO ISS PBL24 START 89.396
HIERARCH ESO ISS PBL24 END 89.429
HIERARCH ESO ISS PBLA24 START 82.118
HIERARCH ESO ISS PBLA24 END 81.505
HIERARCH ESO ISS PBL34 START 58.735
HIERARCH ESO ISS PBL34 END 58.187
HIERARCH ESO ISS PBLA34 START 102.736
HIERARCH ESO ISS PBLA34 END 102.238
HIERARCH ESO ISS AMBI TAU0 START 0.003341
HIERARCH ESO ISS AMBI TAU0 END 0.003033
HIERARCH ESO ISS AMBI TEMP 12.52
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 0.8