Exposure
ID
PIONI.2022-11-22T03:46:14.047_1
Header ID
PIONI.2022-11-22T03:46:14.047
Date updated
2022-11-22 03:56:11 UTC+0000
Release date
2023-11-22 03:56:11 UTC+0000
UTC Start
2022-11-22 03:46:14.046
UTC End
2022-11-22 03:46:39.646
MJD Start
59905.1571070189
MJD End
59905.1574033152
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0077985
Ambient temperature (°C)
13.61
Seeing (arcsec)
0.57
Observation
ID
53230
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
39588
Name
tau Cet
RA
26.007905
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 64.0790 64.0190 277.6000 277.7000
K0-D0 92.0080 91.9400 256.3000 256.4000
K0-J3 54.4710 54.4590 342.3240 342.4040
G2-D0 39.8300 39.8240 220.5000 220.6000
G2-J3 63.9410 63.9250 47.2780 47.3060
D0-J3 103.6010 103.5790 44.6930 44.7220
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 59905.1571070189
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tau Cet
RA 26.007905
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 64.079
HIERARCH ESO ISS PBL12 END 64.019
HIERARCH ESO ISS PBLA12 START 277.6
HIERARCH ESO ISS PBLA12 END 277.7
HIERARCH ESO ISS PBL13 START 92.008
HIERARCH ESO ISS PBL13 END 91.94
HIERARCH ESO ISS PBLA13 START 256.3
HIERARCH ESO ISS PBLA13 END 256.4
HIERARCH ESO ISS PBL14 START 54.471
HIERARCH ESO ISS PBL14 END 54.459
HIERARCH ESO ISS PBLA14 START 342.324
HIERARCH ESO ISS PBLA14 END 342.404
HIERARCH ESO ISS PBL23 START 39.83
HIERARCH ESO ISS PBL23 END 39.824
HIERARCH ESO ISS PBLA23 START 220.5
HIERARCH ESO ISS PBLA23 END 220.6
HIERARCH ESO ISS PBL24 START 63.941
HIERARCH ESO ISS PBL24 END 63.925
HIERARCH ESO ISS PBLA24 START 47.278
HIERARCH ESO ISS PBLA24 END 47.306
HIERARCH ESO ISS PBL34 START 103.601
HIERARCH ESO ISS PBL34 END 103.579
HIERARCH ESO ISS PBLA34 START 44.693
HIERARCH ESO ISS PBLA34 END 44.722
HIERARCH ESO ISS AMBI TAU0 START 0.007437
HIERARCH ESO ISS AMBI TAU0 END 0.00816
HIERARCH ESO ISS AMBI TEMP 13.61
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.57