Exposure
ID
PIONI.2022-11-20T03:09:11.098_1
Header ID
PIONI.2022-11-20T03:09:11.098
Date updated
2022-11-20 03:30:31 UTC+0000
Release date
2023-11-20 03:30:30 UTC+0000
UTC Start
2022-11-20 03:09:11.098
UTC End
2022-11-20 03:09:36.698
MJD Start
59903.1313784514
MJD End
59903.1316747477
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.008907
Ambient temperature (°C)
13.95
Seeing (arcsec)
0.63
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 24.7020 24.6940 146.2000 146.3000
A0-D0 31.8240 31.8160 73.8000 73.9000
A0-C1 22.1150 22.1040 119.0250 119.0810
B2-D0 33.8710 33.8730 29.8000 29.8000
B2-C1 11.2830 11.2830 29.7340 29.7830
D0-C1 22.5880 22.5900 209.7970 209.8450
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 59903.1313784514
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 24.702
HIERARCH ESO ISS PBL12 END 24.694
HIERARCH ESO ISS PBLA12 START 146.2
HIERARCH ESO ISS PBLA12 END 146.3
HIERARCH ESO ISS PBL13 START 31.824
HIERARCH ESO ISS PBL13 END 31.816
HIERARCH ESO ISS PBLA13 START 73.8
HIERARCH ESO ISS PBLA13 END 73.9
HIERARCH ESO ISS PBL14 START 22.115
HIERARCH ESO ISS PBL14 END 22.104
HIERARCH ESO ISS PBLA14 START 119.025
HIERARCH ESO ISS PBLA14 END 119.081
HIERARCH ESO ISS PBL23 START 33.871
HIERARCH ESO ISS PBL23 END 33.873
HIERARCH ESO ISS PBLA23 START 29.8
HIERARCH ESO ISS PBLA23 END 29.8
HIERARCH ESO ISS PBL24 START 11.283
HIERARCH ESO ISS PBL24 END 11.283
HIERARCH ESO ISS PBLA24 START 29.734
HIERARCH ESO ISS PBLA24 END 29.783
HIERARCH ESO ISS PBL34 START 22.588
HIERARCH ESO ISS PBL34 END 22.59
HIERARCH ESO ISS PBLA34 START 209.797
HIERARCH ESO ISS PBLA34 END 209.845
HIERARCH ESO ISS AMBI TAU0 START 0.008907
HIERARCH ESO ISS AMBI TAU0 END 0.008907
HIERARCH ESO ISS AMBI TEMP 13.95
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.63