Exposure
ID
PIONI.2022-11-18T02:47:30.604_1
Header ID
PIONI.2022-11-18T02:47:30.604
Date updated
2022-11-18 02:55:28 UTC+0000
Release date
2023-11-18 02:55:28 UTC+0000
UTC Start
2022-11-18 02:47:30.604
UTC End
2022-11-18 02:47:56.204
MJD Start
59901.1163264327
MJD End
59901.116622729
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003075
Ambient temperature (°C)
17.59
Seeing (arcsec)
1.26
Observation
ID
53168
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
39536
Name
tau Cet
RA
26.006752
DEC
-15.93313
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.0310 25.0250 143.1000 143.2000
A0-D0 32.0010 32.0020 71.9000 71.9000
A0-C1 22.5050 22.5000 116.4790 116.5260
B2-D0 33.6880 33.6930 27.2000 27.2000
B2-C1 11.2220 11.2230 27.1420 27.1990
D0-C1 22.4660 22.4690 207.2060 207.2630
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 59901.1163264327
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tau Cet
RA 26.006752
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 C1
EXPTIME 25.6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 25.031
HIERARCH ESO ISS PBL12 END 25.025
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.2
HIERARCH ESO ISS PBL13 START 32.001
HIERARCH ESO ISS PBL13 END 32.002
HIERARCH ESO ISS PBLA13 START 71.9
HIERARCH ESO ISS PBLA13 END 71.9
HIERARCH ESO ISS PBL14 START 22.505
HIERARCH ESO ISS PBL14 END 22.5
HIERARCH ESO ISS PBLA14 START 116.479
HIERARCH ESO ISS PBLA14 END 116.526
HIERARCH ESO ISS PBL23 START 33.688
HIERARCH ESO ISS PBL23 END 33.693
HIERARCH ESO ISS PBLA23 START 27.2
HIERARCH ESO ISS PBLA23 END 27.2
HIERARCH ESO ISS PBL24 START 11.222
HIERARCH ESO ISS PBL24 END 11.223
HIERARCH ESO ISS PBLA24 START 27.142
HIERARCH ESO ISS PBLA24 END 27.199
HIERARCH ESO ISS PBL34 START 22.466
HIERARCH ESO ISS PBL34 END 22.469
HIERARCH ESO ISS PBLA34 START 207.206
HIERARCH ESO ISS PBLA34 END 207.263
HIERARCH ESO ISS AMBI TAU0 START 0.003075
HIERARCH ESO ISS AMBI TAU0 END 0.003075
HIERARCH ESO ISS AMBI TEMP 17.59
HIERARCH ESO ISS AMBI FWHM START 1.26
HIERARCH ESO ISS AMBI FWHM END 1.26