Exposure
ID
PIONI.2022-11-18T01:40:45.698_1
Header ID
PIONI.2022-11-18T01:40:45.698
Date updated
2022-11-18 01:51:01 UTC+0000
Release date
2023-11-18 01:51:01 UTC+0000
UTC Start
2022-11-18 01:40:45.698
UTC End
2022-11-18 01:41:11.298
MJD Start
59901.0699733598
MJD End
59901.0702696561
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003155
Ambient temperature (°C)
17.72
Seeing (arcsec)
1.3
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 25.2840 25.2860 137.8000 137.9000
A0-D0 30.7980 30.8180 66.5000 66.5000
A0-C1 22.3560 22.3640 112.0620 112.0950
B2-D0 33.0140 33.0200 19.9000 20.0000
B2-C1 10.9980 11.0000 19.8960 19.9690
D0-C1 22.0160 22.0210 199.9600 200.0330
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 59901.0699733598
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 25.284
HIERARCH ESO ISS PBL12 END 25.286
HIERARCH ESO ISS PBLA12 START 137.8
HIERARCH ESO ISS PBLA12 END 137.9
HIERARCH ESO ISS PBL13 START 30.798
HIERARCH ESO ISS PBL13 END 30.818
HIERARCH ESO ISS PBLA13 START 66.5
HIERARCH ESO ISS PBLA13 END 66.5
HIERARCH ESO ISS PBL14 START 22.356
HIERARCH ESO ISS PBL14 END 22.364
HIERARCH ESO ISS PBLA14 START 112.062
HIERARCH ESO ISS PBLA14 END 112.095
HIERARCH ESO ISS PBL23 START 33.014
HIERARCH ESO ISS PBL23 END 33.02
HIERARCH ESO ISS PBLA23 START 19.9
HIERARCH ESO ISS PBLA23 END 20.0
HIERARCH ESO ISS PBL24 START 10.998
HIERARCH ESO ISS PBL24 END 11.0
HIERARCH ESO ISS PBLA24 START 19.896
HIERARCH ESO ISS PBLA24 END 19.969
HIERARCH ESO ISS PBL34 START 22.016
HIERARCH ESO ISS PBL34 END 22.021
HIERARCH ESO ISS PBLA34 START 199.96
HIERARCH ESO ISS PBLA34 END 200.033
HIERARCH ESO ISS AMBI TAU0 START 0.003155
HIERARCH ESO ISS AMBI TAU0 END 0.003155
HIERARCH ESO ISS AMBI TEMP 17.72
HIERARCH ESO ISS AMBI FWHM START 1.3
HIERARCH ESO ISS AMBI FWHM END 1.3