Exposure
ID
PIONI.2022-11-23T03:58:30.950_1
Header ID
PIONI.2022-11-23T03:58:30.950
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 03:58:30.950
UTC End
2022-11-23 03:58:56.550
MJD Start
59906.1656359951
MJD End
59906.1659322914
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 62.3290 62.2590 279.0000 279.0000
K0-D0 89.9910 89.9090 257.1000 257.2000
K0-J3 54.1630 54.1520 344.5230 344.6060
G2-D0 39.6320 39.6230 221.3000 221.4000
G2-J3 63.4290 63.4070 47.9690 47.9920
D0-J3 102.8970 102.8660 45.4150 45.4390
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 59906.1656359951
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 62.329
HIERARCH ESO ISS PBL12 END 62.259
HIERARCH ESO ISS PBLA12 START 279.0
HIERARCH ESO ISS PBLA12 END 279.0
HIERARCH ESO ISS PBL13 START 89.991
HIERARCH ESO ISS PBL13 END 89.909
HIERARCH ESO ISS PBLA13 START 257.1
HIERARCH ESO ISS PBLA13 END 257.2
HIERARCH ESO ISS PBL14 START 54.163
HIERARCH ESO ISS PBL14 END 54.152
HIERARCH ESO ISS PBLA14 START 344.523
HIERARCH ESO ISS PBLA14 END 344.606
HIERARCH ESO ISS PBL23 START 39.632
HIERARCH ESO ISS PBL23 END 39.623
HIERARCH ESO ISS PBLA23 START 221.3
HIERARCH ESO ISS PBLA23 END 221.4
HIERARCH ESO ISS PBL24 START 63.429
HIERARCH ESO ISS PBL24 END 63.407
HIERARCH ESO ISS PBLA24 START 47.969
HIERARCH ESO ISS PBLA24 END 47.992
HIERARCH ESO ISS PBL34 START 102.897
HIERARCH ESO ISS PBL34 END 102.866
HIERARCH ESO ISS PBLA34 START 45.415
HIERARCH ESO ISS PBLA34 END 45.439
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