Exposure
ID
PIONI.2022-11-21T06:18:10.621_1
Header ID
PIONI.2022-11-21T06:18:10.621
Date updated
2022-11-21 06:25:46 UTC+0000
Release date
2023-11-21 06:25:46 UTC+0000
UTC Start
2022-11-21 06:18:10.621
UTC End
2022-11-21 06:18:36.221
MJD Start
59904.2626229259
MJD End
59904.2629192222
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0145975
Ambient temperature (°C)
14.6
Seeing (arcsec)
0.37
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 22.3580 22.3570 177.4000 177.5000
A0-D0 19.8710 19.8080 82.1000 82.2000
A0-J3 104.6880 104.5260 52.3760 52.3490
B2-D0 31.2400 31.2200 36.7000 36.7000
B2-J3 118.9320 118.8120 43.5160 43.4960
D0-J3 87.9930 87.8910 45.9390 45.9150
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 59904.2626229259
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 22.358
HIERARCH ESO ISS PBL12 END 22.357
HIERARCH ESO ISS PBLA12 START 177.4
HIERARCH ESO ISS PBLA12 END 177.5
HIERARCH ESO ISS PBL13 START 19.871
HIERARCH ESO ISS PBL13 END 19.808
HIERARCH ESO ISS PBLA13 START 82.1
HIERARCH ESO ISS PBLA13 END 82.2
HIERARCH ESO ISS PBL14 START 104.688
HIERARCH ESO ISS PBL14 END 104.526
HIERARCH ESO ISS PBLA14 START 52.376
HIERARCH ESO ISS PBLA14 END 52.349
HIERARCH ESO ISS PBL23 START 31.24
HIERARCH ESO ISS PBL23 END 31.22
HIERARCH ESO ISS PBLA23 START 36.7
HIERARCH ESO ISS PBLA23 END 36.7
HIERARCH ESO ISS PBL24 START 118.932
HIERARCH ESO ISS PBL24 END 118.812
HIERARCH ESO ISS PBLA24 START 43.516
HIERARCH ESO ISS PBLA24 END 43.496
HIERARCH ESO ISS PBL34 START 87.993
HIERARCH ESO ISS PBL34 END 87.891
HIERARCH ESO ISS PBLA34 START 45.939
HIERARCH ESO ISS PBLA34 END 45.915
HIERARCH ESO ISS AMBI TAU0 START 0.015597
HIERARCH ESO ISS AMBI TAU0 END 0.013598
HIERARCH ESO ISS AMBI TEMP 14.6
HIERARCH ESO ISS AMBI FWHM START 0.37
HIERARCH ESO ISS AMBI FWHM END 0.37