Exposure
ID
PIONI.2022-11-21T03:12:39.872_1
Header ID
PIONI.2022-11-21T03:12:39.872
Date updated
2022-11-21 03:20:58 UTC+0000
Release date
2023-11-21 03:20:58 UTC+0000
UTC Start
2022-11-21 03:12:39.872
UTC End
2022-11-21 03:13:05.472
MJD Start
59904.1337948092
MJD End
59904.1340911055
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.014828
Ambient temperature (°C)
15.0
Seeing (arcsec)
0.5
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 24.6050 24.5970 147.1000 147.1000
A0-D0 31.7080 31.6970 74.3000 74.3000
A0-J3 132.3230 132.3130 49.7750 49.8040
B2-D0 33.8990 33.9010 30.4000 30.4000
B2-J3 137.6230 137.6240 39.5600 39.5930
D0-J3 104.3000 104.2980 42.5350 42.5670
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 59904.1337948092
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 24.605
HIERARCH ESO ISS PBL12 END 24.597
HIERARCH ESO ISS PBLA12 START 147.1
HIERARCH ESO ISS PBLA12 END 147.1
HIERARCH ESO ISS PBL13 START 31.708
HIERARCH ESO ISS PBL13 END 31.697
HIERARCH ESO ISS PBLA13 START 74.3
HIERARCH ESO ISS PBLA13 END 74.3
HIERARCH ESO ISS PBL14 START 132.323
HIERARCH ESO ISS PBL14 END 132.313
HIERARCH ESO ISS PBLA14 START 49.775
HIERARCH ESO ISS PBLA14 END 49.804
HIERARCH ESO ISS PBL23 START 33.899
HIERARCH ESO ISS PBL23 END 33.901
HIERARCH ESO ISS PBLA23 START 30.4
HIERARCH ESO ISS PBLA23 END 30.4
HIERARCH ESO ISS PBL24 START 137.623
HIERARCH ESO ISS PBL24 END 137.624
HIERARCH ESO ISS PBLA24 START 39.56
HIERARCH ESO ISS PBLA24 END 39.593
HIERARCH ESO ISS PBL34 START 104.3
HIERARCH ESO ISS PBL34 END 104.298
HIERARCH ESO ISS PBLA34 START 42.535
HIERARCH ESO ISS PBLA34 END 42.567
HIERARCH ESO ISS AMBI TAU0 START 0.014828
HIERARCH ESO ISS AMBI TAU0 END 0.014828
HIERARCH ESO ISS AMBI TEMP 15.0
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.5