Exposure
ID
PIONI.2022-11-21T05:26:47.171_1
Header ID
PIONI.2022-11-21T05:26:47.171
Date updated
2022-11-21 05:35:53 UTC+0000
Release date
2023-11-21 05:35:52 UTC+0000
UTC Start
2022-11-21 05:26:47.171
UTC End
2022-11-21 05:27:12.771
MJD Start
59904.2269348549
MJD End
59904.2272311512
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.015362
Ambient temperature (°C)
14.37
Seeing (arcsec)
0.48
Observation
ID
53209
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
39570
Name
tau Cet
RA
26.007327
DEC
-15.93313
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 B2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 22.6870 22.6800 167.5000 167.6000
A0-D0 24.7400 24.6900 80.5000 80.5000
A0-J3 117.0900 116.9640 53.6710 53.6670
B2-D0 32.6900 32.6760 36.6000 36.6000
B2-J3 127.9650 127.8760 44.3400 44.3400
D0-J3 95.6710 95.5940 46.9640 46.9620
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 59904.2269348549
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tau Cet
RA 26.007327
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 J3
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 22.68
HIERARCH ESO ISS PBLA12 START 167.5
HIERARCH ESO ISS PBLA12 END 167.6
HIERARCH ESO ISS PBL13 START 24.74
HIERARCH ESO ISS PBL13 END 24.69
HIERARCH ESO ISS PBLA13 START 80.5
HIERARCH ESO ISS PBLA13 END 80.5
HIERARCH ESO ISS PBL14 START 117.09
HIERARCH ESO ISS PBL14 END 116.964
HIERARCH ESO ISS PBLA14 START 53.671
HIERARCH ESO ISS PBLA14 END 53.667
HIERARCH ESO ISS PBL23 START 32.69
HIERARCH ESO ISS PBL23 END 32.676
HIERARCH ESO ISS PBLA23 START 36.6
HIERARCH ESO ISS PBLA23 END 36.6
HIERARCH ESO ISS PBL24 START 127.965
HIERARCH ESO ISS PBL24 END 127.876
HIERARCH ESO ISS PBLA24 START 44.34
HIERARCH ESO ISS PBLA24 END 44.34
HIERARCH ESO ISS PBL34 START 95.671
HIERARCH ESO ISS PBL34 END 95.594
HIERARCH ESO ISS PBLA34 START 46.964
HIERARCH ESO ISS PBLA34 END 46.962
HIERARCH ESO ISS AMBI TAU0 START 0.015362
HIERARCH ESO ISS AMBI TAU0 END 0.015362
HIERARCH ESO ISS AMBI TEMP 14.37
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.48