Exposure
ID
PIONI.2022-11-23T05:03:06.148_1
Header ID
PIONI.2022-11-23T05:03:06.148
Date updated
2022-11-23 05:11:01 UTC+0000
Release date
2023-11-23 05:11:01 UTC+0000
UTC Start
2022-11-23 05:03:06.148
UTC End
2022-11-23 05:03:31.748
MJD Start
59906.2104878193
MJD End
59906.2107841156
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002197
Ambient temperature (°C)
13.16
Seeing (arcsec)
0.795
Observation
ID
53244
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
39600
Name
tau Cet
RA
26.007904
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 52.7790 52.6730 285.5000 285.6000
K0-D0 78.0340 77.8950 259.9000 259.9000
K0-J3 53.2640 53.2590 354.0270 354.1190
G2-D0 37.9990 37.9770 223.1000 223.1000
G2-J3 59.7190 59.6720 49.3740 49.3770
D0-J3 97.5780 97.5100 46.9380 46.9420
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 59906.2104878193
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tau Cet
RA 26.007904
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 52.779
HIERARCH ESO ISS PBL12 END 52.673
HIERARCH ESO ISS PBLA12 START 285.5
HIERARCH ESO ISS PBLA12 END 285.6
HIERARCH ESO ISS PBL13 START 78.034
HIERARCH ESO ISS PBL13 END 77.895
HIERARCH ESO ISS PBLA13 START 259.9
HIERARCH ESO ISS PBLA13 END 259.9
HIERARCH ESO ISS PBL14 START 53.264
HIERARCH ESO ISS PBL14 END 53.259
HIERARCH ESO ISS PBLA14 START 354.027
HIERARCH ESO ISS PBLA14 END 354.119
HIERARCH ESO ISS PBL23 START 37.999
HIERARCH ESO ISS PBL23 END 37.977
HIERARCH ESO ISS PBLA23 START 223.1
HIERARCH ESO ISS PBLA23 END 223.1
HIERARCH ESO ISS PBL24 START 59.719
HIERARCH ESO ISS PBL24 END 59.672
HIERARCH ESO ISS PBLA24 START 49.374
HIERARCH ESO ISS PBLA24 END 49.377
HIERARCH ESO ISS PBL34 START 97.578
HIERARCH ESO ISS PBL34 END 97.51
HIERARCH ESO ISS PBLA34 START 46.938
HIERARCH ESO ISS PBLA34 END 46.942
HIERARCH ESO ISS AMBI TAU0 START 0.002197
HIERARCH ESO ISS AMBI TAU0 END 0.002197
HIERARCH ESO ISS AMBI TEMP 13.16
HIERARCH ESO ISS AMBI FWHM START 0.84
HIERARCH ESO ISS AMBI FWHM END 0.75