Exposure
ID
PIONI.2022-11-21T06:02:09.223_1
Header ID
PIONI.2022-11-21T06:02:09.223
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 06:02:09.223
UTC End
2022-11-21 06:02:34.823
MJD Start
59904.2514956375
MJD End
59904.2517919338
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.014947
Ambient temperature (°C)
14.5
Seeing (arcsec)
0.415
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 22.4160 22.4130 174.2000 174.4000
A0-D0 21.4990 21.4400 81.7000 81.7000
A0-J3 108.8830 108.7310 52.9960 52.9760
B2-D0 31.7490 31.7310 36.8000 36.8000
B2-J3 122.0300 121.9180 43.9600 43.9460
D0-J3 90.6120 90.5170 46.4550 46.4390
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 59904.2514956375
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 22.416
HIERARCH ESO ISS PBL12 END 22.413
HIERARCH ESO ISS PBLA12 START 174.2
HIERARCH ESO ISS PBLA12 END 174.4
HIERARCH ESO ISS PBL13 START 21.499
HIERARCH ESO ISS PBL13 END 21.44
HIERARCH ESO ISS PBLA13 START 81.7
HIERARCH ESO ISS PBLA13 END 81.7
HIERARCH ESO ISS PBL14 START 108.883
HIERARCH ESO ISS PBL14 END 108.731
HIERARCH ESO ISS PBLA14 START 52.996
HIERARCH ESO ISS PBLA14 END 52.976
HIERARCH ESO ISS PBL23 START 31.749
HIERARCH ESO ISS PBL23 END 31.731
HIERARCH ESO ISS PBLA23 START 36.8
HIERARCH ESO ISS PBLA23 END 36.8
HIERARCH ESO ISS PBL24 START 122.03
HIERARCH ESO ISS PBL24 END 121.918
HIERARCH ESO ISS PBLA24 START 43.96
HIERARCH ESO ISS PBLA24 END 43.946
HIERARCH ESO ISS PBL34 START 90.612
HIERARCH ESO ISS PBL34 END 90.517
HIERARCH ESO ISS PBLA34 START 46.455
HIERARCH ESO ISS PBLA34 END 46.439
HIERARCH ESO ISS AMBI TAU0 START 0.014769
HIERARCH ESO ISS AMBI TAU0 END 0.015125
HIERARCH ESO ISS AMBI TEMP 14.5
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.42