Exposure
ID
PIONI.2022-11-21T02:59:49.717_1
Header ID
PIONI.2022-11-21T02:59:49.717
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 02:59:49.717
UTC End
2022-11-21 03:00:15.317
MJD Start
59904.1248809849
MJD End
59904.1251772812
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
53210
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
39571
Name
tau Cet
RA
26.007328
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 24.7700 24.7630 145.6000 145.7000
A0-D0 31.8900 31.8840 73.5000 73.5000
A0-J3 132.4200 132.4210 48.9360 48.9770
B2-D0 33.8450 33.8480 29.3000 29.4000
B2-J3 137.5160 137.5240 38.6290 38.6740
D0-J3 104.2580 104.2630 41.6340 41.6780
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 59904.1248809849
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tau Cet
RA 26.007328
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 24.77
HIERARCH ESO ISS PBL12 END 24.763
HIERARCH ESO ISS PBLA12 START 145.6
HIERARCH ESO ISS PBLA12 END 145.7
HIERARCH ESO ISS PBL13 START 31.89
HIERARCH ESO ISS PBL13 END 31.884
HIERARCH ESO ISS PBLA13 START 73.5
HIERARCH ESO ISS PBLA13 END 73.5
HIERARCH ESO ISS PBL14 START 132.42
HIERARCH ESO ISS PBL14 END 132.421
HIERARCH ESO ISS PBLA14 START 48.936
HIERARCH ESO ISS PBLA14 END 48.977
HIERARCH ESO ISS PBL23 START 33.845
HIERARCH ESO ISS PBL23 END 33.848
HIERARCH ESO ISS PBLA23 START 29.3
HIERARCH ESO ISS PBLA23 END 29.4
HIERARCH ESO ISS PBL24 START 137.516
HIERARCH ESO ISS PBL24 END 137.524
HIERARCH ESO ISS PBLA24 START 38.629
HIERARCH ESO ISS PBLA24 END 38.674
HIERARCH ESO ISS PBL34 START 104.258
HIERARCH ESO ISS PBL34 END 104.263
HIERARCH ESO ISS PBLA34 START 41.634
HIERARCH ESO ISS PBLA34 END 41.678
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