Exposure
ID
PIONI.2022-11-20T03:11:40.906_1
Header ID
PIONI.2022-11-20T03:11:40.906
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 03:11:40.907
UTC End
2022-11-20 03:12:06.507
MJD Start
59903.133112344
MJD End
59903.1334086403
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.008502
Ambient temperature (°C)
13.93
Seeing (arcsec)
0.62
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 24.6700 24.6620 146.5000 146.6000
A0-D0 31.7880 31.7790 74.0000 74.0000
A0-C1 22.0700 22.0590 119.2610 119.3180
B2-D0 33.8810 33.8830 30.0000 30.0000
B2-C1 11.2860 11.2870 29.9360 29.9840
D0-C1 22.5950 22.5970 209.9980 210.0460
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 59903.133112344
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 24.67
HIERARCH ESO ISS PBL12 END 24.662
HIERARCH ESO ISS PBLA12 START 146.5
HIERARCH ESO ISS PBLA12 END 146.6
HIERARCH ESO ISS PBL13 START 31.788
HIERARCH ESO ISS PBL13 END 31.779
HIERARCH ESO ISS PBLA13 START 74.0
HIERARCH ESO ISS PBLA13 END 74.0
HIERARCH ESO ISS PBL14 START 22.07
HIERARCH ESO ISS PBL14 END 22.059
HIERARCH ESO ISS PBLA14 START 119.261
HIERARCH ESO ISS PBLA14 END 119.318
HIERARCH ESO ISS PBL23 START 33.881
HIERARCH ESO ISS PBL23 END 33.883
HIERARCH ESO ISS PBLA23 START 30.0
HIERARCH ESO ISS PBLA23 END 30.0
HIERARCH ESO ISS PBL24 START 11.286
HIERARCH ESO ISS PBL24 END 11.287
HIERARCH ESO ISS PBLA24 START 29.936
HIERARCH ESO ISS PBLA24 END 29.984
HIERARCH ESO ISS PBL34 START 22.595
HIERARCH ESO ISS PBL34 END 22.597
HIERARCH ESO ISS PBLA34 START 209.998
HIERARCH ESO ISS PBLA34 END 210.046
HIERARCH ESO ISS AMBI TAU0 START 0.008502
HIERARCH ESO ISS AMBI TAU0 END 0.008502
HIERARCH ESO ISS AMBI TEMP 13.93
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.62