Exposure
ID
PIONI.2022-11-18T03:17:54.450_1
Header ID
PIONI.2022-11-18T03:17:54.450
Date updated
2022-11-18 03:26:00 UTC+0000
Release date
2023-11-18 03:26:00 UTC+0000
UTC Start
2022-11-18 03:17:54.450
UTC End
2022-11-18 03:18:20.050
MJD Start
59901.1374357603
MJD End
59901.1377320566
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003772
Ambient temperature (°C)
17.05
Seeing (arcsec)
1.08
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 24.6910 24.6830 146.3000 146.4000
A0-D0 31.8120 31.8030 73.9000 73.9000
A0-C1 22.1000 22.0890 119.1070 119.1640
B2-D0 33.8740 33.8770 29.8000 29.9000
B2-C1 11.2840 11.2850 29.8060 29.8540
D0-C1 22.5910 22.5920 209.8680 209.9160
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 59901.1374357603
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 24.691
HIERARCH ESO ISS PBL12 END 24.683
HIERARCH ESO ISS PBLA12 START 146.3
HIERARCH ESO ISS PBLA12 END 146.4
HIERARCH ESO ISS PBL13 START 31.812
HIERARCH ESO ISS PBL13 END 31.803
HIERARCH ESO ISS PBLA13 START 73.9
HIERARCH ESO ISS PBLA13 END 73.9
HIERARCH ESO ISS PBL14 START 22.1
HIERARCH ESO ISS PBL14 END 22.089
HIERARCH ESO ISS PBLA14 START 119.107
HIERARCH ESO ISS PBLA14 END 119.164
HIERARCH ESO ISS PBL23 START 33.874
HIERARCH ESO ISS PBL23 END 33.877
HIERARCH ESO ISS PBLA23 START 29.8
HIERARCH ESO ISS PBLA23 END 29.9
HIERARCH ESO ISS PBL24 START 11.284
HIERARCH ESO ISS PBL24 END 11.285
HIERARCH ESO ISS PBLA24 START 29.806
HIERARCH ESO ISS PBLA24 END 29.854
HIERARCH ESO ISS PBL34 START 22.591
HIERARCH ESO ISS PBL34 END 22.592
HIERARCH ESO ISS PBLA34 START 209.868
HIERARCH ESO ISS PBLA34 END 209.916
HIERARCH ESO ISS AMBI TAU0 START 0.003772
HIERARCH ESO ISS AMBI TAU0 END 0.003772
HIERARCH ESO ISS AMBI TEMP 17.05
HIERARCH ESO ISS AMBI FWHM START 1.08
HIERARCH ESO ISS AMBI FWHM END 1.08