Exposure
ID
PIONI.2022-11-21T04:45:43.536_1
Header ID
PIONI.2022-11-21T04:45:43.536
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 04:45:43.535
UTC End
2022-11-21 04:46:09.135
MJD Start
59904.1984205474
MJD End
59904.1987168437
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.011827
Ambient temperature (°C)
14.62
Seeing (arcsec)
0.44
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 23.1970 23.1890 160.3000 160.4000
A0-D0 27.8190 27.7800 78.9000 78.9000
A0-J3 124.5380 124.4460 53.4640 53.4740
B2-D0 33.4470 33.4390 35.6000 35.6000
B2-J3 133.1240 133.0630 43.8620 43.8760
D0-J3 100.1370 100.0830 46.6050 46.6170
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 59904.1984205474
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 23.197
HIERARCH ESO ISS PBL12 END 23.189
HIERARCH ESO ISS PBLA12 START 160.3
HIERARCH ESO ISS PBLA12 END 160.4
HIERARCH ESO ISS PBL13 START 27.819
HIERARCH ESO ISS PBL13 END 27.78
HIERARCH ESO ISS PBLA13 START 78.9
HIERARCH ESO ISS PBLA13 END 78.9
HIERARCH ESO ISS PBL14 START 124.538
HIERARCH ESO ISS PBL14 END 124.446
HIERARCH ESO ISS PBLA14 START 53.464
HIERARCH ESO ISS PBLA14 END 53.474
HIERARCH ESO ISS PBL23 START 33.447
HIERARCH ESO ISS PBL23 END 33.439
HIERARCH ESO ISS PBLA23 START 35.6
HIERARCH ESO ISS PBLA23 END 35.6
HIERARCH ESO ISS PBL24 START 133.124
HIERARCH ESO ISS PBL24 END 133.063
HIERARCH ESO ISS PBLA24 START 43.862
HIERARCH ESO ISS PBLA24 END 43.876
HIERARCH ESO ISS PBL34 START 100.137
HIERARCH ESO ISS PBL34 END 100.083
HIERARCH ESO ISS PBLA34 START 46.605
HIERARCH ESO ISS PBLA34 END 46.617
HIERARCH ESO ISS AMBI TAU0 START 0.011827
HIERARCH ESO ISS AMBI TAU0 END 0.011827
HIERARCH ESO ISS AMBI TEMP 14.62
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.44