Exposure
ID
PIONI.2022-11-18T03:20:24.145_1
Header ID
PIONI.2022-11-18T03:20:24.145
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 03:20:24.145
UTC End
2022-11-18 03:20:49.745
MJD Start
59901.1391683435
MJD End
59901.1394646398
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003685
Ambient temperature (°C)
17.2
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 24.6580 24.6510 146.6000 146.6000
A0-D0 31.7750 31.7660 74.0000 74.1000
A0-C1 22.0540 22.0430 119.3440 119.4000
B2-D0 33.8840 33.8870 30.0000 30.1000
B2-C1 11.2870 11.2880 30.0070 30.0530
D0-C1 22.5970 22.5990 210.0690 210.1150
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 59901.1391683435
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 24.658
HIERARCH ESO ISS PBL12 END 24.651
HIERARCH ESO ISS PBLA12 START 146.6
HIERARCH ESO ISS PBLA12 END 146.6
HIERARCH ESO ISS PBL13 START 31.775
HIERARCH ESO ISS PBL13 END 31.766
HIERARCH ESO ISS PBLA13 START 74.0
HIERARCH ESO ISS PBLA13 END 74.1
HIERARCH ESO ISS PBL14 START 22.054
HIERARCH ESO ISS PBL14 END 22.043
HIERARCH ESO ISS PBLA14 START 119.344
HIERARCH ESO ISS PBLA14 END 119.4
HIERARCH ESO ISS PBL23 START 33.884
HIERARCH ESO ISS PBL23 END 33.887
HIERARCH ESO ISS PBLA23 START 30.0
HIERARCH ESO ISS PBLA23 END 30.1
HIERARCH ESO ISS PBL24 START 11.287
HIERARCH ESO ISS PBL24 END 11.288
HIERARCH ESO ISS PBLA24 START 30.007
HIERARCH ESO ISS PBLA24 END 30.053
HIERARCH ESO ISS PBL34 START 22.597
HIERARCH ESO ISS PBL34 END 22.599
HIERARCH ESO ISS PBLA34 START 210.069
HIERARCH ESO ISS PBLA34 END 210.115
HIERARCH ESO ISS AMBI TAU0 START 0.003622
HIERARCH ESO ISS AMBI TAU0 END 0.003748
HIERARCH ESO ISS AMBI TEMP 17.2
HIERARCH ESO ISS AMBI FWHM START 1.11
HIERARCH ESO ISS AMBI FWHM END 1.05