Exposure
ID
PIONI.2022-11-21T06:00:54.521_1
Header ID
PIONI.2022-11-21T06:00:54.521
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 06:00:54.521
UTC End
2022-11-21 06:01:20.121
MJD Start
59904.2506310348
MJD End
59904.2509273311
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.016035
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 22.4230 22.4190 174.0000 174.1000
A0-D0 21.6220 21.5620 81.6000 81.7000
A0-J3 109.1980 109.0450 53.0350 53.0160
B2-D0 31.7870 31.7690 36.8000 36.8000
B2-J3 122.2610 122.1490 43.9870 43.9740
D0-J3 90.8080 90.7130 46.4870 46.4710
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 59904.2506310348
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 22.423
HIERARCH ESO ISS PBL12 END 22.419
HIERARCH ESO ISS PBLA12 START 174.0
HIERARCH ESO ISS PBLA12 END 174.1
HIERARCH ESO ISS PBL13 START 21.622
HIERARCH ESO ISS PBL13 END 21.562
HIERARCH ESO ISS PBLA13 START 81.6
HIERARCH ESO ISS PBLA13 END 81.7
HIERARCH ESO ISS PBL14 START 109.198
HIERARCH ESO ISS PBL14 END 109.045
HIERARCH ESO ISS PBLA14 START 53.035
HIERARCH ESO ISS PBLA14 END 53.016
HIERARCH ESO ISS PBL23 START 31.787
HIERARCH ESO ISS PBL23 END 31.769
HIERARCH ESO ISS PBLA23 START 36.8
HIERARCH ESO ISS PBLA23 END 36.8
HIERARCH ESO ISS PBL24 START 122.261
HIERARCH ESO ISS PBL24 END 122.149
HIERARCH ESO ISS PBLA24 START 43.987
HIERARCH ESO ISS PBLA24 END 43.974
HIERARCH ESO ISS PBL34 START 90.808
HIERARCH ESO ISS PBL34 END 90.713
HIERARCH ESO ISS PBLA34 START 46.487
HIERARCH ESO ISS PBLA34 END 46.471
HIERARCH ESO ISS AMBI TAU0 START 0.016035
HIERARCH ESO ISS AMBI TAU0 END 0.016035
HIERARCH ESO ISS AMBI TEMP 14.5
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.41