Exposure
ID
PIONI.2022-11-21T03:01:42.195_1
Header ID
PIONI.2022-11-21T03:01:42.195
Date updated
2022-11-21 03:10:44 UTC+0000
Release date
2023-11-21 03:10:44 UTC+0000
UTC Start
2022-11-21 03:01:42.195
UTC End
2022-11-21 03:02:07.795
MJD Start
59904.1261828123
MJD End
59904.1264791086
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.015156
Ambient temperature (°C)
15.08
Seeing (arcsec)
0.45
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 24.7470 24.7390 145.8000 145.9000
A0-D0 31.8690 31.8620 73.6000 73.6000
A0-J3 132.4200 132.4190 49.0510 49.0920
B2-D0 33.8540 33.8570 29.5000 29.5000
B2-J3 137.5410 137.5490 38.7580 38.8030
D0-J3 104.2730 104.2770 41.7580 41.8020
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 59904.1261828123
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 24.747
HIERARCH ESO ISS PBL12 END 24.739
HIERARCH ESO ISS PBLA12 START 145.8
HIERARCH ESO ISS PBLA12 END 145.9
HIERARCH ESO ISS PBL13 START 31.869
HIERARCH ESO ISS PBL13 END 31.862
HIERARCH ESO ISS PBLA13 START 73.6
HIERARCH ESO ISS PBLA13 END 73.6
HIERARCH ESO ISS PBL14 START 132.42
HIERARCH ESO ISS PBL14 END 132.419
HIERARCH ESO ISS PBLA14 START 49.051
HIERARCH ESO ISS PBLA14 END 49.092
HIERARCH ESO ISS PBL23 START 33.854
HIERARCH ESO ISS PBL23 END 33.857
HIERARCH ESO ISS PBLA23 START 29.5
HIERARCH ESO ISS PBLA23 END 29.5
HIERARCH ESO ISS PBL24 START 137.541
HIERARCH ESO ISS PBL24 END 137.549
HIERARCH ESO ISS PBLA24 START 38.758
HIERARCH ESO ISS PBLA24 END 38.803
HIERARCH ESO ISS PBL34 START 104.273
HIERARCH ESO ISS PBL34 END 104.277
HIERARCH ESO ISS PBLA34 START 41.758
HIERARCH ESO ISS PBLA34 END 41.802
HIERARCH ESO ISS AMBI TAU0 START 0.015156
HIERARCH ESO ISS AMBI TAU0 END 0.015156
HIERARCH ESO ISS AMBI TEMP 15.08
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.45