Exposure
ID
PIONI.2022-11-20T04:55:37.216_1
Header ID
PIONI.2022-11-20T04:55:37.216
Date updated
2022-11-20 05:01:05 UTC+0000
Release date
2023-11-20 05:01:05 UTC+0000
UTC Start
2022-11-20 04:55:37.216
UTC End
2022-11-20 04:56:02.816
MJD Start
59903.2052918528
MJD End
59903.2055881491
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0068075
Ambient temperature (°C)
13.65
Seeing (arcsec)
0.57
Observation
ID
53192
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
39556
Name
tau Cet
RA
26.00675
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 23.1130 23.1050 161.3000 161.4000
A0-D0 27.4210 27.3800 79.2000 79.2000
A0-C1 18.9540 18.9310 132.8010 132.9070
B2-D0 33.3600 33.3500 35.8000 35.8000
B2-C1 11.1130 11.1100 35.7880 35.8080
D0-C1 22.2460 22.2400 215.8420 215.8610
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 59903.2052918528
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tau Cet
RA 26.00675
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 23.113
HIERARCH ESO ISS PBL12 END 23.105
HIERARCH ESO ISS PBLA12 START 161.3
HIERARCH ESO ISS PBLA12 END 161.4
HIERARCH ESO ISS PBL13 START 27.421
HIERARCH ESO ISS PBL13 END 27.38
HIERARCH ESO ISS PBLA13 START 79.2
HIERARCH ESO ISS PBLA13 END 79.2
HIERARCH ESO ISS PBL14 START 18.954
HIERARCH ESO ISS PBL14 END 18.931
HIERARCH ESO ISS PBLA14 START 132.801
HIERARCH ESO ISS PBLA14 END 132.907
HIERARCH ESO ISS PBL23 START 33.36
HIERARCH ESO ISS PBL23 END 33.35
HIERARCH ESO ISS PBLA23 START 35.8
HIERARCH ESO ISS PBLA23 END 35.8
HIERARCH ESO ISS PBL24 START 11.113
HIERARCH ESO ISS PBL24 END 11.11
HIERARCH ESO ISS PBLA24 START 35.788
HIERARCH ESO ISS PBLA24 END 35.808
HIERARCH ESO ISS PBL34 START 22.246
HIERARCH ESO ISS PBL34 END 22.24
HIERARCH ESO ISS PBLA34 START 215.842
HIERARCH ESO ISS PBLA34 END 215.861
HIERARCH ESO ISS AMBI TAU0 START 0.007078
HIERARCH ESO ISS AMBI TAU0 END 0.006537
HIERARCH ESO ISS AMBI TEMP 13.65
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.57