Exposure
ID
PIONI.2022-11-20T04:24:58.719_1
Header ID
PIONI.2022-11-20T04:24:58.719
Date updated
2022-11-20 04:31:12 UTC+0000
Release date
2023-11-20 04:31:12 UTC+0000
UTC Start
2022-11-20 04:24:58.719
UTC End
2022-11-20 04:25:24.319
MJD Start
59903.1840129509
MJD End
59903.1843092472
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.005424
Ambient temperature (°C)
13.78
Seeing (arcsec)
0.76
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 23.5680 23.5580 156.3000 156.4000
A0-D0 29.2810 29.2490 77.8000 77.9000
A0-C1 20.0740 20.0540 127.9100 127.9980
B2-D0 33.7300 33.7240 34.6000 34.7000
B2-C1 11.2360 11.2340 34.5850 34.6130
D0-C1 22.4940 22.4900 214.6420 214.6690
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 59903.1840129509
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 23.568
HIERARCH ESO ISS PBL12 END 23.558
HIERARCH ESO ISS PBLA12 START 156.3
HIERARCH ESO ISS PBLA12 END 156.4
HIERARCH ESO ISS PBL13 START 29.281
HIERARCH ESO ISS PBL13 END 29.249
HIERARCH ESO ISS PBLA13 START 77.8
HIERARCH ESO ISS PBLA13 END 77.9
HIERARCH ESO ISS PBL14 START 20.074
HIERARCH ESO ISS PBL14 END 20.054
HIERARCH ESO ISS PBLA14 START 127.91
HIERARCH ESO ISS PBLA14 END 127.998
HIERARCH ESO ISS PBL23 START 33.73
HIERARCH ESO ISS PBL23 END 33.724
HIERARCH ESO ISS PBLA23 START 34.6
HIERARCH ESO ISS PBLA23 END 34.7
HIERARCH ESO ISS PBL24 START 11.236
HIERARCH ESO ISS PBL24 END 11.234
HIERARCH ESO ISS PBLA24 START 34.585
HIERARCH ESO ISS PBLA24 END 34.613
HIERARCH ESO ISS PBL34 START 22.494
HIERARCH ESO ISS PBL34 END 22.49
HIERARCH ESO ISS PBLA34 START 214.642
HIERARCH ESO ISS PBLA34 END 214.669
HIERARCH ESO ISS AMBI TAU0 START 0.005424
HIERARCH ESO ISS AMBI TAU0 END 0.005424
HIERARCH ESO ISS AMBI TEMP 13.78
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.76