Exposure
ID
PIONI.2022-11-18T02:34:48.240_1
Header ID
PIONI.2022-11-18T02:34:48.240
Date updated
2022-11-18 02:45:39 UTC+0000
Release date
2023-11-18 02:45:39 UTC+0000
UTC Start
2022-11-18 02:34:48.240
UTC End
2022-11-18 02:35:13.840
MJD Start
59901.1075027753
MJD End
59901.1077990716
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003075
Ambient temperature (°C)
17.73
Seeing (arcsec)
1.46
Observation
ID
53168
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
39536
Name
tau Cet
RA
26.006752
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 25.1370 25.1330 141.9000 142.0000
A0-D0 31.9400 31.9440 71.0000 71.0000
A0-C1 22.5900 22.5870 115.5060 115.5490
B2-D0 33.5810 33.5860 26.0000 26.0000
B2-C1 11.1860 11.1880 25.9090 25.9670
D0-C1 22.3950 22.3980 205.9730 206.0310
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 59901.1075027753
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tau Cet
RA 26.006752
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 25.137
HIERARCH ESO ISS PBL12 END 25.133
HIERARCH ESO ISS PBLA12 START 141.9
HIERARCH ESO ISS PBLA12 END 142.0
HIERARCH ESO ISS PBL13 START 31.94
HIERARCH ESO ISS PBL13 END 31.944
HIERARCH ESO ISS PBLA13 START 71.0
HIERARCH ESO ISS PBLA13 END 71.0
HIERARCH ESO ISS PBL14 START 22.59
HIERARCH ESO ISS PBL14 END 22.587
HIERARCH ESO ISS PBLA14 START 115.506
HIERARCH ESO ISS PBLA14 END 115.549
HIERARCH ESO ISS PBL23 START 33.581
HIERARCH ESO ISS PBL23 END 33.586
HIERARCH ESO ISS PBLA23 START 26.0
HIERARCH ESO ISS PBLA23 END 26.0
HIERARCH ESO ISS PBL24 START 11.186
HIERARCH ESO ISS PBL24 END 11.188
HIERARCH ESO ISS PBLA24 START 25.909
HIERARCH ESO ISS PBLA24 END 25.967
HIERARCH ESO ISS PBL34 START 22.395
HIERARCH ESO ISS PBL34 END 22.398
HIERARCH ESO ISS PBLA34 START 205.973
HIERARCH ESO ISS PBLA34 END 206.031
HIERARCH ESO ISS AMBI TAU0 START 0.003075
HIERARCH ESO ISS AMBI TAU0 END 0.003075
HIERARCH ESO ISS AMBI TEMP 17.73
HIERARCH ESO ISS AMBI FWHM START 1.46
HIERARCH ESO ISS AMBI FWHM END 1.46