Exposure
ID
PIONI.2022-11-18T02:01:40.174_1
Header ID
PIONI.2022-11-18T02:01:40.174
Date updated
2022-11-18 02:10:48 UTC+0000
Release date
2023-11-18 02:10:48 UTC+0000
UTC Start
2022-11-18 02:01:40.174
UTC End
2022-11-18 02:02:05.774
MJD Start
59901.0844927495
MJD End
59901.0847890458
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0035645
Ambient temperature (°C)
17.66
Seeing (arcsec)
1.025
Observation
ID
53168
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
39536
Name
tau Cet
RA
26.006752
DEC
-15.93313
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.2910 25.2900 139.2000 139.3000
A0-D0 31.4030 31.4170 68.4000 68.4000
A0-C1 22.5640 22.5680 113.2700 113.3060
B2-D0 33.2470 33.2530 22.4000 22.5000
B2-C1 11.0750 11.0770 22.3660 22.4320
D0-C1 22.1720 22.1760 202.4300 202.4970
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 59901.0844927495
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tau Cet
RA 26.006752
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 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 25.6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 25.291
HIERARCH ESO ISS PBL12 END 25.29
HIERARCH ESO ISS PBLA12 START 139.2
HIERARCH ESO ISS PBLA12 END 139.3
HIERARCH ESO ISS PBL13 START 31.403
HIERARCH ESO ISS PBL13 END 31.417
HIERARCH ESO ISS PBLA13 START 68.4
HIERARCH ESO ISS PBLA13 END 68.4
HIERARCH ESO ISS PBL14 START 22.564
HIERARCH ESO ISS PBL14 END 22.568
HIERARCH ESO ISS PBLA14 START 113.27
HIERARCH ESO ISS PBLA14 END 113.306
HIERARCH ESO ISS PBL23 START 33.247
HIERARCH ESO ISS PBL23 END 33.253
HIERARCH ESO ISS PBLA23 START 22.4
HIERARCH ESO ISS PBLA23 END 22.5
HIERARCH ESO ISS PBL24 START 11.075
HIERARCH ESO ISS PBL24 END 11.077
HIERARCH ESO ISS PBLA24 START 22.366
HIERARCH ESO ISS PBLA24 END 22.432
HIERARCH ESO ISS PBL34 START 22.172
HIERARCH ESO ISS PBL34 END 22.176
HIERARCH ESO ISS PBLA34 START 202.43
HIERARCH ESO ISS PBLA34 END 202.497
HIERARCH ESO ISS AMBI TAU0 START 0.003431
HIERARCH ESO ISS AMBI TAU0 END 0.003698
HIERARCH ESO ISS AMBI TEMP 17.66
HIERARCH ESO ISS AMBI FWHM START 0.96
HIERARCH ESO ISS AMBI FWHM END 1.09