Exposure
ID
PIONI.2022-11-21T04:47:36.008_1
Header ID
PIONI.2022-11-21T04:47:36.008
Date updated
2022-11-21 04:55:48 UTC+0000
Release date
2023-11-21 04:55:48 UTC+0000
UTC Start
2022-11-21 04:47:36.008
UTC End
2022-11-21 04:48:01.608
MJD Start
59904.1997223147
MJD End
59904.200018611
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.013278
Ambient temperature (°C)
14.61
Seeing (arcsec)
0.45
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 23.1710 23.1620 160.6000 160.7000
A0-D0 27.6950 27.6560 79.0000 79.0000
A0-J3 124.2490 124.1580 53.4930 53.5030
B2-D0 33.4210 33.4120 35.7000 35.7000
B2-J3 132.9310 132.8700 43.9030 43.9170
D0-J3 99.9670 99.9140 46.6410 46.6530
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 59904.1997223147
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 23.171
HIERARCH ESO ISS PBL12 END 23.162
HIERARCH ESO ISS PBLA12 START 160.6
HIERARCH ESO ISS PBLA12 END 160.7
HIERARCH ESO ISS PBL13 START 27.695
HIERARCH ESO ISS PBL13 END 27.656
HIERARCH ESO ISS PBLA13 START 79.0
HIERARCH ESO ISS PBLA13 END 79.0
HIERARCH ESO ISS PBL14 START 124.249
HIERARCH ESO ISS PBL14 END 124.158
HIERARCH ESO ISS PBLA14 START 53.493
HIERARCH ESO ISS PBLA14 END 53.503
HIERARCH ESO ISS PBL23 START 33.421
HIERARCH ESO ISS PBL23 END 33.412
HIERARCH ESO ISS PBLA23 START 35.7
HIERARCH ESO ISS PBLA23 END 35.7
HIERARCH ESO ISS PBL24 START 132.931
HIERARCH ESO ISS PBL24 END 132.87
HIERARCH ESO ISS PBLA24 START 43.903
HIERARCH ESO ISS PBLA24 END 43.917
HIERARCH ESO ISS PBL34 START 99.967
HIERARCH ESO ISS PBL34 END 99.914
HIERARCH ESO ISS PBLA34 START 46.641
HIERARCH ESO ISS PBLA34 END 46.653
HIERARCH ESO ISS AMBI TAU0 START 0.013325
HIERARCH ESO ISS AMBI TAU0 END 0.013231
HIERARCH ESO ISS AMBI TEMP 14.61
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.43