Exposure
ID
PIONI.2022-11-24T03:19:54.617_1
Header ID
PIONI.2022-11-24T03:19:54.617
Date updated
2022-11-24 03:29:04 UTC+0000
Release date
2023-11-24 03:29:04 UTC+0000
UTC Start
2022-11-24 03:19:54.618
UTC End
2022-11-24 03:20:20.218
MJD Start
59907.1388265928
MJD End
59907.1391228891
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.00881
Ambient temperature (°C)
12.13
Seeing (arcsec)
0.56
Observation
ID
53258
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
39609
Name
tau Cet
RA
26.007903
DEC
-15.93313
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 65.7200 65.6730 276.2000 276.3000
K0-D0 93.8020 93.7520 255.3000 255.4000
K0-J3 54.8360 54.8240 339.9450 340.0200
G2-D0 39.9570 39.9550 219.5000 219.5000
G2-J3 64.3210 64.3120 46.3390 46.3720
D0-J3 104.1030 104.0920 43.7200 43.7550
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 59907.1388265928
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tau Cet
RA 26.007903
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 K0
HIERARCH ESO ISS CONF STATION2 G2
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 65.72
HIERARCH ESO ISS PBL12 END 65.673
HIERARCH ESO ISS PBLA12 START 276.2
HIERARCH ESO ISS PBLA12 END 276.3
HIERARCH ESO ISS PBL13 START 93.802
HIERARCH ESO ISS PBL13 END 93.752
HIERARCH ESO ISS PBLA13 START 255.3
HIERARCH ESO ISS PBLA13 END 255.4
HIERARCH ESO ISS PBL14 START 54.836
HIERARCH ESO ISS PBL14 END 54.824
HIERARCH ESO ISS PBLA14 START 339.945
HIERARCH ESO ISS PBLA14 END 340.02
HIERARCH ESO ISS PBL23 START 39.957
HIERARCH ESO ISS PBL23 END 39.955
HIERARCH ESO ISS PBLA23 START 219.5
HIERARCH ESO ISS PBLA23 END 219.5
HIERARCH ESO ISS PBL24 START 64.321
HIERARCH ESO ISS PBL24 END 64.312
HIERARCH ESO ISS PBLA24 START 46.339
HIERARCH ESO ISS PBLA24 END 46.372
HIERARCH ESO ISS PBL34 START 104.103
HIERARCH ESO ISS PBL34 END 104.092
HIERARCH ESO ISS PBLA34 START 43.72
HIERARCH ESO ISS PBLA34 END 43.755
HIERARCH ESO ISS AMBI TAU0 START 0.00881
HIERARCH ESO ISS AMBI TAU0 END 0.00881
HIERARCH ESO ISS AMBI TEMP 12.13
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.56