Exposure
ID
PIONI.2022-11-21T05:40:33.263_1
Header ID
PIONI.2022-11-21T05:40:33.263
Date updated
2022-11-21 05:45:53 UTC+0000
Release date
2023-11-21 05:45:53 UTC+0000
UTC Start
2022-11-21 05:40:33.263
UTC End
2022-11-21 05:40:58.863
MJD Start
59904.2364961044
MJD End
59904.2367924007
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0154565
Ambient temperature (°C)
14.39
Seeing (arcsec)
0.47
Observation
ID
53209
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
39570
Name
tau Cet
RA
26.007327
DEC
-15.93313
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 22.5590 22.5550 170.1000 170.2000
A0-D0 23.5400 23.4850 81.0000 81.0000
A0-J3 114.0800 113.9430 53.5120 53.5020
B2-D0 32.3550 32.3390 36.8000 36.8000
B2-J3 125.8110 125.7130 44.2850 44.2800
D0-J3 93.8280 93.7430 46.8620 46.8550
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 59904.2364961044
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tau Cet
RA 26.007327
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 J3
EXPTIME 25.6
HIERARCH ESO DET DIT 0.0005
HIERARCH ESO DET NDIT 51200
HIERARCH ESO ISS PBL12 START 22.559
HIERARCH ESO ISS PBL12 END 22.555
HIERARCH ESO ISS PBLA12 START 170.1
HIERARCH ESO ISS PBLA12 END 170.2
HIERARCH ESO ISS PBL13 START 23.54
HIERARCH ESO ISS PBL13 END 23.485
HIERARCH ESO ISS PBLA13 START 81.0
HIERARCH ESO ISS PBLA13 END 81.0
HIERARCH ESO ISS PBL14 START 114.08
HIERARCH ESO ISS PBL14 END 113.943
HIERARCH ESO ISS PBLA14 START 53.512
HIERARCH ESO ISS PBLA14 END 53.502
HIERARCH ESO ISS PBL23 START 32.355
HIERARCH ESO ISS PBL23 END 32.339
HIERARCH ESO ISS PBLA23 START 36.8
HIERARCH ESO ISS PBLA23 END 36.8
HIERARCH ESO ISS PBL24 START 125.811
HIERARCH ESO ISS PBL24 END 125.713
HIERARCH ESO ISS PBLA24 START 44.285
HIERARCH ESO ISS PBLA24 END 44.28
HIERARCH ESO ISS PBL34 START 93.828
HIERARCH ESO ISS PBL34 END 93.743
HIERARCH ESO ISS PBLA34 START 46.862
HIERARCH ESO ISS PBLA34 END 46.855
HIERARCH ESO ISS AMBI TAU0 START 0.015227
HIERARCH ESO ISS AMBI TAU0 END 0.015686
HIERARCH ESO ISS AMBI TEMP 14.39
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.47