Exposure
ID
PIONI.2022-11-18T01:24:31.937_1
Header ID
PIONI.2022-11-18T01:24:31.937
Date updated
2022-11-18 01:30:56 UTC+0000
Release date
2023-11-18 01:30:56 UTC+0000
UTC Start
2022-11-18 01:24:31.936
UTC End
2022-11-18 01:24:57.536
MJD Start
59901.0587029662
MJD End
59901.0589992625
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003465
Ambient temperature (°C)
16.99
Seeing (arcsec)
1.1
Observation
ID
53162
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
39530
Name
tau Cet
RA
26.006753
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 25.2180 25.2210 136.9000 136.9000
A0-D0 30.1960 30.2210 64.8000 64.9000
A0-C1 22.0910 22.1030 111.2240 111.2540
B2-D0 32.8320 32.8380 17.9000 18.0000
B2-C1 10.9370 10.9390 17.8620 17.9390
D0-C1 21.8950 21.8990 197.9260 198.0030
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 59901.0587029662
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tau Cet
RA 26.006753
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 25.218
HIERARCH ESO ISS PBL12 END 25.221
HIERARCH ESO ISS PBLA12 START 136.9
HIERARCH ESO ISS PBLA12 END 136.9
HIERARCH ESO ISS PBL13 START 30.196
HIERARCH ESO ISS PBL13 END 30.221
HIERARCH ESO ISS PBLA13 START 64.8
HIERARCH ESO ISS PBLA13 END 64.9
HIERARCH ESO ISS PBL14 START 22.091
HIERARCH ESO ISS PBL14 END 22.103
HIERARCH ESO ISS PBLA14 START 111.224
HIERARCH ESO ISS PBLA14 END 111.254
HIERARCH ESO ISS PBL23 START 32.832
HIERARCH ESO ISS PBL23 END 32.838
HIERARCH ESO ISS PBLA23 START 17.9
HIERARCH ESO ISS PBLA23 END 18.0
HIERARCH ESO ISS PBL24 START 10.937
HIERARCH ESO ISS PBL24 END 10.939
HIERARCH ESO ISS PBLA24 START 17.862
HIERARCH ESO ISS PBLA24 END 17.939
HIERARCH ESO ISS PBL34 START 21.895
HIERARCH ESO ISS PBL34 END 21.899
HIERARCH ESO ISS PBLA34 START 197.926
HIERARCH ESO ISS PBLA34 END 198.003
HIERARCH ESO ISS AMBI TAU0 START 0.00344
HIERARCH ESO ISS AMBI TAU0 END 0.00349
HIERARCH ESO ISS AMBI TEMP 16.99
HIERARCH ESO ISS AMBI FWHM START 1.09
HIERARCH ESO ISS AMBI FWHM END 1.11