Exposure
ID
PIONI.2022-11-18T02:48:07.917_1
Header ID
PIONI.2022-11-18T02:48:07.917
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 02:48:07.917
UTC End
2022-11-18 02:48:33.517
MJD Start
59901.1167583009
MJD End
59901.1170545972
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003075
Ambient temperature (°C)
17.55
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 25.0250 25.0190 143.2000 143.2000
A0-D0 32.0020 32.0030 71.9000 72.0000
A0-C1 22.5000 22.4940 116.5280 116.5760
B2-D0 33.6930 33.6970 27.2000 27.3000
B2-C1 11.2230 11.2250 27.2010 27.2570
D0-C1 22.4700 22.4730 207.2640 207.3200
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 59901.1167583009
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 25.025
HIERARCH ESO ISS PBL12 END 25.019
HIERARCH ESO ISS PBLA12 START 143.2
HIERARCH ESO ISS PBLA12 END 143.2
HIERARCH ESO ISS PBL13 START 32.002
HIERARCH ESO ISS PBL13 END 32.003
HIERARCH ESO ISS PBLA13 START 71.9
HIERARCH ESO ISS PBLA13 END 72.0
HIERARCH ESO ISS PBL14 START 22.5
HIERARCH ESO ISS PBL14 END 22.494
HIERARCH ESO ISS PBLA14 START 116.528
HIERARCH ESO ISS PBLA14 END 116.576
HIERARCH ESO ISS PBL23 START 33.693
HIERARCH ESO ISS PBL23 END 33.697
HIERARCH ESO ISS PBLA23 START 27.2
HIERARCH ESO ISS PBLA23 END 27.3
HIERARCH ESO ISS PBL24 START 11.223
HIERARCH ESO ISS PBL24 END 11.225
HIERARCH ESO ISS PBLA24 START 27.201
HIERARCH ESO ISS PBLA24 END 27.257
HIERARCH ESO ISS PBL34 START 22.47
HIERARCH ESO ISS PBL34 END 22.473
HIERARCH ESO ISS PBLA34 START 207.264
HIERARCH ESO ISS PBLA34 END 207.32
HIERARCH ESO ISS AMBI TAU0 START 0.003075
HIERARCH ESO ISS AMBI TAU0 END 0.003075
HIERARCH ESO ISS AMBI TEMP 17.55
HIERARCH ESO ISS AMBI FWHM START 1.26
HIERARCH ESO ISS AMBI FWHM END 1.26