Exposure
ID
PIONI.2022-11-21T03:13:54.855_1
Header ID
PIONI.2022-11-21T03:13:54.855
Date updated
2022-11-21 03:20:58 UTC+0000
Release date
2023-11-21 03:20:58 UTC+0000
UTC Start
2022-11-21 03:13:54.854
UTC End
2022-11-21 03:14:20.454
MJD Start
59904.1346626668
MJD End
59904.1349589631
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.016288
Ambient temperature (°C)
14.93
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 24.5880 24.5800 147.2000 147.3000
A0-D0 31.6860 31.6750 74.3000 74.4000
A0-J3 132.3020 132.2910 49.8430 49.8810
B2-D0 33.9030 33.9050 30.5000 30.5000
B2-J3 137.6250 137.6260 39.6370 39.6780
D0-J3 104.2970 104.2950 42.6090 42.6490
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 59904.1346626668
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 24.588
HIERARCH ESO ISS PBL12 END 24.58
HIERARCH ESO ISS PBLA12 START 147.2
HIERARCH ESO ISS PBLA12 END 147.3
HIERARCH ESO ISS PBL13 START 31.686
HIERARCH ESO ISS PBL13 END 31.675
HIERARCH ESO ISS PBLA13 START 74.3
HIERARCH ESO ISS PBLA13 END 74.4
HIERARCH ESO ISS PBL14 START 132.302
HIERARCH ESO ISS PBL14 END 132.291
HIERARCH ESO ISS PBLA14 START 49.843
HIERARCH ESO ISS PBLA14 END 49.881
HIERARCH ESO ISS PBL23 START 33.903
HIERARCH ESO ISS PBL23 END 33.905
HIERARCH ESO ISS PBLA23 START 30.5
HIERARCH ESO ISS PBLA23 END 30.5
HIERARCH ESO ISS PBL24 START 137.625
HIERARCH ESO ISS PBL24 END 137.626
HIERARCH ESO ISS PBLA24 START 39.637
HIERARCH ESO ISS PBLA24 END 39.678
HIERARCH ESO ISS PBL34 START 104.297
HIERARCH ESO ISS PBL34 END 104.295
HIERARCH ESO ISS PBLA34 START 42.609
HIERARCH ESO ISS PBLA34 END 42.649
HIERARCH ESO ISS AMBI TAU0 START 0.016288
HIERARCH ESO ISS AMBI TAU0 END 0.016288
HIERARCH ESO ISS AMBI TEMP 14.93
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.48