Exposure
ID
PIONI.2022-11-23T03:57:53.328_1
Header ID
PIONI.2022-11-23T03:57:53.328
Date updated
2022-11-23 04:06:10 UTC+0000
Release date
2023-11-23 04:06:10 UTC+0000
UTC Start
2022-11-23 03:57:53.328
UTC End
2022-11-23 03:58:18.928
MJD Start
59906.1652005538
MJD End
59906.1654968501
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006774
Ambient temperature (°C)
13.53
Seeing (arcsec)
0.53
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 62.4010 62.3310 278.9000 279.0000
K0-D0 90.0760 89.9940 257.1000 257.1000
K0-J3 54.1750 54.1640 344.4380 344.5210
G2-D0 39.6410 39.6320 221.3000 221.3000
G2-J3 63.4520 63.4300 47.9450 47.9680
D0-J3 102.9280 102.8980 45.3900 45.4140
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 59906.1652005538
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 62.401
HIERARCH ESO ISS PBL12 END 62.331
HIERARCH ESO ISS PBLA12 START 278.9
HIERARCH ESO ISS PBLA12 END 279.0
HIERARCH ESO ISS PBL13 START 90.076
HIERARCH ESO ISS PBL13 END 89.994
HIERARCH ESO ISS PBLA13 START 257.1
HIERARCH ESO ISS PBLA13 END 257.1
HIERARCH ESO ISS PBL14 START 54.175
HIERARCH ESO ISS PBL14 END 54.164
HIERARCH ESO ISS PBLA14 START 344.438
HIERARCH ESO ISS PBLA14 END 344.521
HIERARCH ESO ISS PBL23 START 39.641
HIERARCH ESO ISS PBL23 END 39.632
HIERARCH ESO ISS PBLA23 START 221.3
HIERARCH ESO ISS PBLA23 END 221.3
HIERARCH ESO ISS PBL24 START 63.452
HIERARCH ESO ISS PBL24 END 63.43
HIERARCH ESO ISS PBLA24 START 47.945
HIERARCH ESO ISS PBLA24 END 47.968
HIERARCH ESO ISS PBL34 START 102.928
HIERARCH ESO ISS PBL34 END 102.898
HIERARCH ESO ISS PBLA34 START 45.39
HIERARCH ESO ISS PBLA34 END 45.414
HIERARCH ESO ISS AMBI TAU0 START 0.006774
HIERARCH ESO ISS AMBI TAU0 END 0.006774
HIERARCH ESO ISS AMBI TEMP 13.53
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.53