Exposure
ID
PIONI.2022-11-21T02:59:12.165_1
Header ID
PIONI.2022-11-21T02:59:12.165
Date updated
2022-11-21 03:05:48 UTC+0000
Release date
2023-11-21 03:05:47 UTC+0000
UTC Start
2022-11-21 02:59:12.165
UTC End
2022-11-21 02:59:37.765
MJD Start
59904.124446352
MJD End
59904.1247426483
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.01511
Ambient temperature (°C)
15.11
Seeing (arcsec)
0.43
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 24.7780 24.7700 145.5000 145.6000
A0-D0 31.8970 31.8910 73.4000 73.5000
A0-J3 132.4190 132.4200 48.8800 48.9210
B2-D0 33.8420 33.8450 29.3000 29.3000
B2-J3 137.5070 137.5160 38.5680 38.6140
D0-J3 104.2530 104.2580 41.5750 41.6190
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 59904.124446352
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 24.778
HIERARCH ESO ISS PBL12 END 24.77
HIERARCH ESO ISS PBLA12 START 145.5
HIERARCH ESO ISS PBLA12 END 145.6
HIERARCH ESO ISS PBL13 START 31.897
HIERARCH ESO ISS PBL13 END 31.891
HIERARCH ESO ISS PBLA13 START 73.4
HIERARCH ESO ISS PBLA13 END 73.5
HIERARCH ESO ISS PBL14 START 132.419
HIERARCH ESO ISS PBL14 END 132.42
HIERARCH ESO ISS PBLA14 START 48.88
HIERARCH ESO ISS PBLA14 END 48.921
HIERARCH ESO ISS PBL23 START 33.842
HIERARCH ESO ISS PBL23 END 33.845
HIERARCH ESO ISS PBLA23 START 29.3
HIERARCH ESO ISS PBLA23 END 29.3
HIERARCH ESO ISS PBL24 START 137.507
HIERARCH ESO ISS PBL24 END 137.516
HIERARCH ESO ISS PBLA24 START 38.568
HIERARCH ESO ISS PBLA24 END 38.614
HIERARCH ESO ISS PBL34 START 104.253
HIERARCH ESO ISS PBL34 END 104.258
HIERARCH ESO ISS PBLA34 START 41.575
HIERARCH ESO ISS PBLA34 END 41.619
HIERARCH ESO ISS AMBI TAU0 START 0.01511
HIERARCH ESO ISS AMBI TAU0 END 0.01511
HIERARCH ESO ISS AMBI TEMP 15.11
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.43