Exposure
ID
PIONI.2022-11-21T03:34:40.876_1
Header ID
PIONI.2022-11-21T03:34:40.876
Date updated
2022-11-21 03:41:20 UTC+0000
Release date
2023-11-21 03:41:20 UTC+0000
UTC Start
2022-11-21 03:34:40.876
UTC End
2022-11-21 03:35:06.476
MJD Start
59904.1490842076
MJD End
59904.1493805039
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.013359
Ambient temperature (°C)
14.75
Seeing (arcsec)
0.57
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 24.2900 24.2810 149.7000 149.8000
A0-D0 31.1940 31.1760 75.5000 75.5000
A0-J3 131.6240 131.5960 51.0230 51.0540
B2-D0 33.9340 33.9340 32.0000 32.0000
B2-J3 137.4250 137.4130 40.9610 40.9960
D0-J3 104.0440 104.0300 43.8830 43.9170
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 59904.1490842076
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 24.29
HIERARCH ESO ISS PBL12 END 24.281
HIERARCH ESO ISS PBLA12 START 149.7
HIERARCH ESO ISS PBLA12 END 149.8
HIERARCH ESO ISS PBL13 START 31.194
HIERARCH ESO ISS PBL13 END 31.176
HIERARCH ESO ISS PBLA13 START 75.5
HIERARCH ESO ISS PBLA13 END 75.5
HIERARCH ESO ISS PBL14 START 131.624
HIERARCH ESO ISS PBL14 END 131.596
HIERARCH ESO ISS PBLA14 START 51.023
HIERARCH ESO ISS PBLA14 END 51.054
HIERARCH ESO ISS PBL23 START 33.934
HIERARCH ESO ISS PBL23 END 33.934
HIERARCH ESO ISS PBLA23 START 32.0
HIERARCH ESO ISS PBLA23 END 32.0
HIERARCH ESO ISS PBL24 START 137.425
HIERARCH ESO ISS PBL24 END 137.413
HIERARCH ESO ISS PBLA24 START 40.961
HIERARCH ESO ISS PBLA24 END 40.996
HIERARCH ESO ISS PBL34 START 104.044
HIERARCH ESO ISS PBL34 END 104.03
HIERARCH ESO ISS PBLA34 START 43.883
HIERARCH ESO ISS PBLA34 END 43.917
HIERARCH ESO ISS AMBI TAU0 START 0.013359
HIERARCH ESO ISS AMBI TAU0 END 0.013359
HIERARCH ESO ISS AMBI TEMP 14.75
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.57