Exposure
ID
PIONI.2022-11-21T03:32:48.513_1
Header ID
PIONI.2022-11-21T03:32:48.513
Date updated
2022-11-21 03:41:20 UTC+0000
Release date
2023-11-21 03:41:20 UTC+0000
UTC Start
2022-11-21 03:32:48.513
UTC End
2022-11-21 03:33:14.113
MJD Start
59904.1477837125
MJD End
59904.1480800088
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.016534
Ambient temperature (°C)
14.78
Seeing (arcsec)
0.46
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 24.3180 24.3090 149.5000 149.6000
A0-D0 31.2470 31.2300 75.4000 75.4000
A0-J3 131.7100 131.6830 50.9250 50.9570
B2-D0 33.9340 33.9340 31.8000 31.9000
B2-J3 137.4610 137.4500 40.8500 40.8860
D0-J3 104.0820 104.0700 43.7770 43.8120
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 59904.1477837125
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 24.318
HIERARCH ESO ISS PBL12 END 24.309
HIERARCH ESO ISS PBLA12 START 149.5
HIERARCH ESO ISS PBLA12 END 149.6
HIERARCH ESO ISS PBL13 START 31.247
HIERARCH ESO ISS PBL13 END 31.23
HIERARCH ESO ISS PBLA13 START 75.4
HIERARCH ESO ISS PBLA13 END 75.4
HIERARCH ESO ISS PBL14 START 131.71
HIERARCH ESO ISS PBL14 END 131.683
HIERARCH ESO ISS PBLA14 START 50.925
HIERARCH ESO ISS PBLA14 END 50.957
HIERARCH ESO ISS PBL23 START 33.934
HIERARCH ESO ISS PBL23 END 33.934
HIERARCH ESO ISS PBLA23 START 31.8
HIERARCH ESO ISS PBLA23 END 31.9
HIERARCH ESO ISS PBL24 START 137.461
HIERARCH ESO ISS PBL24 END 137.45
HIERARCH ESO ISS PBLA24 START 40.85
HIERARCH ESO ISS PBLA24 END 40.886
HIERARCH ESO ISS PBL34 START 104.082
HIERARCH ESO ISS PBL34 END 104.07
HIERARCH ESO ISS PBLA34 START 43.777
HIERARCH ESO ISS PBLA34 END 43.812
HIERARCH ESO ISS AMBI TAU0 START 0.016534
HIERARCH ESO ISS AMBI TAU0 END 0.016534
HIERARCH ESO ISS AMBI TEMP 14.78
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.46