Exposure
ID
PIONI.2022-11-21T06:02:46.665_1
Header ID
PIONI.2022-11-21T06:02:46.665
Date updated
2022-11-21 06:10:54 UTC+0000
Release date
2023-11-21 06:10:53 UTC+0000
UTC Start
2022-11-21 06:02:46.665
UTC End
2022-11-21 06:03:12.265
MJD Start
59904.2519289902
MJD End
59904.2522252865
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.015125
Ambient temperature (°C)
14.5
Seeing (arcsec)
0.42
Observation
ID
53209
Category
science
Program ID
110.241D.001
Program Title
INTERFEROMETRIC IMAGING OF TAU CETI, A PLANET-HOSTING SOLAR ANALOG
Program Type
Normal
PI / COI
ROETTENBACHER/ KORHONEN/ MONNIER/ FISCHER
Target
ID
39570
Name
tau Cet
RA
26.007327
DEC
-15.93313
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 22.4130 22.4100 174.4000 174.5000
A0-D0 21.4380 21.3790 81.7000 81.7000
A0-J3 108.7260 108.5740 52.9760 52.9560
B2-D0 31.7310 31.7120 36.8000 36.8000
B2-J3 121.9150 121.8030 43.9460 43.9320
D0-J3 90.5150 90.4200 46.4380 46.4220
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 110.241D.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 59904.2519289902
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tau Cet
RA 26.007327
DEC -15.93313
HIERARCH ESO INS OPTI2 NAME GRISM
HIERARCH ESO INS OPTI2 ID GRISM
HIERARCH ESO INS FILT1 NAME H
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 25.6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 22.413
HIERARCH ESO ISS PBL12 END 22.41
HIERARCH ESO ISS PBLA12 START 174.4
HIERARCH ESO ISS PBLA12 END 174.5
HIERARCH ESO ISS PBL13 START 21.438
HIERARCH ESO ISS PBL13 END 21.379
HIERARCH ESO ISS PBLA13 START 81.7
HIERARCH ESO ISS PBLA13 END 81.7
HIERARCH ESO ISS PBL14 START 108.726
HIERARCH ESO ISS PBL14 END 108.574
HIERARCH ESO ISS PBLA14 START 52.976
HIERARCH ESO ISS PBLA14 END 52.956
HIERARCH ESO ISS PBL23 START 31.731
HIERARCH ESO ISS PBL23 END 31.712
HIERARCH ESO ISS PBLA23 START 36.8
HIERARCH ESO ISS PBLA23 END 36.8
HIERARCH ESO ISS PBL24 START 121.915
HIERARCH ESO ISS PBL24 END 121.803
HIERARCH ESO ISS PBLA24 START 43.946
HIERARCH ESO ISS PBLA24 END 43.932
HIERARCH ESO ISS PBL34 START 90.515
HIERARCH ESO ISS PBL34 END 90.42
HIERARCH ESO ISS PBLA34 START 46.438
HIERARCH ESO ISS PBLA34 END 46.422
HIERARCH ESO ISS AMBI TAU0 START 0.015125
HIERARCH ESO ISS AMBI TAU0 END 0.015125
HIERARCH ESO ISS AMBI TEMP 14.5
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.42