Exposure
ID
PIONI.2022-11-20T05:17:59.660_1
Header ID
PIONI.2022-11-20T05:17:59.660
Date updated
2022-11-20 05:25:42 UTC+0000
Release date
2023-11-20 05:25:41 UTC+0000
UTC Start
2022-11-20 05:17:59.660
UTC End
2022-11-20 05:18:25.260
MJD Start
59903.2208293993
MJD End
59903.2211256956
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006706
Ambient temperature (°C)
13.46
Seeing (arcsec)
0.62
Observation
ID
53192
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
39556
Name
tau Cet
RA
26.00675
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 22.8260 22.8190 165.2000 165.3000
A0-D0 25.7760 25.7300 80.1000 80.1000
A0-C1 18.0870 18.0640 137.0010 137.1220
B2-D0 32.9630 32.9510 36.4000 36.4000
B2-C1 10.9810 10.9770 36.3820 36.3940
D0-C1 21.9820 21.9730 216.4330 216.4460
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 59903.2208293993
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tau Cet
RA 26.00675
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 22.826
HIERARCH ESO ISS PBL12 END 22.819
HIERARCH ESO ISS PBLA12 START 165.2
HIERARCH ESO ISS PBLA12 END 165.3
HIERARCH ESO ISS PBL13 START 25.776
HIERARCH ESO ISS PBL13 END 25.73
HIERARCH ESO ISS PBLA13 START 80.1
HIERARCH ESO ISS PBLA13 END 80.1
HIERARCH ESO ISS PBL14 START 18.087
HIERARCH ESO ISS PBL14 END 18.064
HIERARCH ESO ISS PBLA14 START 137.001
HIERARCH ESO ISS PBLA14 END 137.122
HIERARCH ESO ISS PBL23 START 32.963
HIERARCH ESO ISS PBL23 END 32.951
HIERARCH ESO ISS PBLA23 START 36.4
HIERARCH ESO ISS PBLA23 END 36.4
HIERARCH ESO ISS PBL24 START 10.981
HIERARCH ESO ISS PBL24 END 10.977
HIERARCH ESO ISS PBLA24 START 36.382
HIERARCH ESO ISS PBLA24 END 36.394
HIERARCH ESO ISS PBL34 START 21.982
HIERARCH ESO ISS PBL34 END 21.973
HIERARCH ESO ISS PBLA34 START 216.433
HIERARCH ESO ISS PBLA34 END 216.446
HIERARCH ESO ISS AMBI TAU0 START 0.006706
HIERARCH ESO ISS AMBI TAU0 END 0.006706
HIERARCH ESO ISS AMBI TEMP 13.46
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.62