Exposure
ID
PIONI.2022-11-20T05:30:37.608_1
Header ID
PIONI.2022-11-20T05:30:37.608
Date updated
2022-11-20 05:40:44 UTC+0000
Release date
2023-11-20 05:40:44 UTC+0000
UTC Start
2022-11-20 05:30:37.608
UTC End
2022-11-20 05:31:03.208
MJD Start
59903.2296019462
MJD End
59903.2298982425
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0073975
Ambient temperature (°C)
13.53
Seeing (arcsec)
0.695
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 22.6870 22.6810 167.5000 167.6000
A0-D0 24.7490 24.6980 80.5000 80.5000
A0-C1 17.5960 17.5730 139.6330 139.7640
B2-D0 32.6920 32.6780 36.6000 36.6000
B2-C1 10.8910 10.8870 36.6060 36.6150
D0-C1 21.8000 21.7910 216.6570 216.6650
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 59903.2296019462
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 22.687
HIERARCH ESO ISS PBL12 END 22.681
HIERARCH ESO ISS PBLA12 START 167.5
HIERARCH ESO ISS PBLA12 END 167.6
HIERARCH ESO ISS PBL13 START 24.749
HIERARCH ESO ISS PBL13 END 24.698
HIERARCH ESO ISS PBLA13 START 80.5
HIERARCH ESO ISS PBLA13 END 80.5
HIERARCH ESO ISS PBL14 START 17.596
HIERARCH ESO ISS PBL14 END 17.573
HIERARCH ESO ISS PBLA14 START 139.633
HIERARCH ESO ISS PBLA14 END 139.764
HIERARCH ESO ISS PBL23 START 32.692
HIERARCH ESO ISS PBL23 END 32.678
HIERARCH ESO ISS PBLA23 START 36.6
HIERARCH ESO ISS PBLA23 END 36.6
HIERARCH ESO ISS PBL24 START 10.891
HIERARCH ESO ISS PBL24 END 10.887
HIERARCH ESO ISS PBLA24 START 36.606
HIERARCH ESO ISS PBLA24 END 36.615
HIERARCH ESO ISS PBL34 START 21.8
HIERARCH ESO ISS PBL34 END 21.791
HIERARCH ESO ISS PBLA34 START 216.657
HIERARCH ESO ISS PBLA34 END 216.665
HIERARCH ESO ISS AMBI TAU0 START 0.007136
HIERARCH ESO ISS AMBI TAU0 END 0.007659
HIERARCH ESO ISS AMBI TEMP 13.53
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.74