Exposure
ID
PIONI.2022-11-20T04:25:36.413_1
Header ID
PIONI.2022-11-20T04:25:36.413
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 04:25:36.414
UTC End
2022-11-20 04:26:02.014
MJD Start
59903.1844492336
MJD End
59903.1847455299
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 23.5580 23.5490 156.4000 156.5000
A0-D0 29.2490 29.2160 77.9000 77.9000
A0-C1 20.0530 20.0320 128.0010 128.0890
B2-D0 33.7240 33.7190 34.7000 34.7000
B2-C1 11.2340 11.2320 34.6140 34.6420
D0-C1 22.4900 22.4860 214.6710 214.6990
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 59903.1844492336
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 23.558
HIERARCH ESO ISS PBL12 END 23.549
HIERARCH ESO ISS PBLA12 START 156.4
HIERARCH ESO ISS PBLA12 END 156.5
HIERARCH ESO ISS PBL13 START 29.249
HIERARCH ESO ISS PBL13 END 29.216
HIERARCH ESO ISS PBLA13 START 77.9
HIERARCH ESO ISS PBLA13 END 77.9
HIERARCH ESO ISS PBL14 START 20.053
HIERARCH ESO ISS PBL14 END 20.032
HIERARCH ESO ISS PBLA14 START 128.001
HIERARCH ESO ISS PBLA14 END 128.089
HIERARCH ESO ISS PBL23 START 33.724
HIERARCH ESO ISS PBL23 END 33.719
HIERARCH ESO ISS PBLA23 START 34.7
HIERARCH ESO ISS PBLA23 END 34.7
HIERARCH ESO ISS PBL24 START 11.234
HIERARCH ESO ISS PBL24 END 11.232
HIERARCH ESO ISS PBLA24 START 34.614
HIERARCH ESO ISS PBLA24 END 34.642
HIERARCH ESO ISS PBL34 START 22.49
HIERARCH ESO ISS PBL34 END 22.486
HIERARCH ESO ISS PBLA34 START 214.671
HIERARCH ESO ISS PBLA34 END 214.699
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