Exposure
ID
PIONI.2022-11-21T06:01:31.928_1
Header ID
PIONI.2022-11-21T06:01:31.928
Date updated
2022-11-21 06:10:54 UTC+0000
Release date
2023-11-21 06:10:53 UTC+0000
UTC Start
2022-11-21 06:01:31.928
UTC End
2022-11-21 06:01:57.528
MJD Start
59904.2510639783
MJD End
59904.2513602746
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.015402
Ambient temperature (°C)
14.5
Seeing (arcsec)
0.41
Observation
ID
53209
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
39570
Name
tau Cet
RA
26.007327
DEC
-15.93313
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 22.4190 22.4160 174.1000 174.2000
A0-D0 21.5600 21.5020 81.7000 81.7000
A0-J3 109.0390 108.8910 53.0150 52.9970
B2-D0 31.7680 31.7500 36.8000 36.8000
B2-J3 122.1440 122.0360 43.9730 43.9600
D0-J3 90.7090 90.6170 46.4710 46.4560
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 59904.2510639783
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tau Cet
RA 26.007327
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 J3
EXPTIME 25.6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 22.419
HIERARCH ESO ISS PBL12 END 22.416
HIERARCH ESO ISS PBLA12 START 174.1
HIERARCH ESO ISS PBLA12 END 174.2
HIERARCH ESO ISS PBL13 START 21.56
HIERARCH ESO ISS PBL13 END 21.502
HIERARCH ESO ISS PBLA13 START 81.7
HIERARCH ESO ISS PBLA13 END 81.7
HIERARCH ESO ISS PBL14 START 109.039
HIERARCH ESO ISS PBL14 END 108.891
HIERARCH ESO ISS PBLA14 START 53.015
HIERARCH ESO ISS PBLA14 END 52.997
HIERARCH ESO ISS PBL23 START 31.768
HIERARCH ESO ISS PBL23 END 31.75
HIERARCH ESO ISS PBLA23 START 36.8
HIERARCH ESO ISS PBLA23 END 36.8
HIERARCH ESO ISS PBL24 START 122.144
HIERARCH ESO ISS PBL24 END 122.036
HIERARCH ESO ISS PBLA24 START 43.973
HIERARCH ESO ISS PBLA24 END 43.96
HIERARCH ESO ISS PBL34 START 90.709
HIERARCH ESO ISS PBL34 END 90.617
HIERARCH ESO ISS PBLA34 START 46.471
HIERARCH ESO ISS PBLA34 END 46.456
HIERARCH ESO ISS AMBI TAU0 START 0.016035
HIERARCH ESO ISS AMBI TAU0 END 0.014769
HIERARCH ESO ISS AMBI TEMP 14.5
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.41