Exposure
ID
PIONI.2022-11-20T02:51:12.449_1
Header ID
PIONI.2022-11-20T02:51:12.449
Date updated
2022-11-20 03:00:54 UTC+0000
Release date
2023-11-20 03:00:54 UTC+0000
UTC Start
2022-11-20 02:51:12.450
UTC End
2022-11-20 02:51:38.050
MJD Start
59903.1188940927
MJD End
59903.119190389
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.009962
Ambient temperature (°C)
13.84
Seeing (arcsec)
0.615
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 24.9150 24.9080 144.3000 144.3000
A0-D0 31.9860 31.9830 72.7000 72.7000
A0-C1 22.3840 22.3760 117.4330 117.4830
B2-D0 33.7720 33.7760 28.3000 28.3000
B2-C1 11.2500 11.2510 28.2100 28.2630
D0-C1 22.5220 22.5250 208.2730 208.3270
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 59903.1188940927
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 24.915
HIERARCH ESO ISS PBL12 END 24.908
HIERARCH ESO ISS PBLA12 START 144.3
HIERARCH ESO ISS PBLA12 END 144.3
HIERARCH ESO ISS PBL13 START 31.986
HIERARCH ESO ISS PBL13 END 31.983
HIERARCH ESO ISS PBLA13 START 72.7
HIERARCH ESO ISS PBLA13 END 72.7
HIERARCH ESO ISS PBL14 START 22.384
HIERARCH ESO ISS PBL14 END 22.376
HIERARCH ESO ISS PBLA14 START 117.433
HIERARCH ESO ISS PBLA14 END 117.483
HIERARCH ESO ISS PBL23 START 33.772
HIERARCH ESO ISS PBL23 END 33.776
HIERARCH ESO ISS PBLA23 START 28.3
HIERARCH ESO ISS PBLA23 END 28.3
HIERARCH ESO ISS PBL24 START 11.25
HIERARCH ESO ISS PBL24 END 11.251
HIERARCH ESO ISS PBLA24 START 28.21
HIERARCH ESO ISS PBLA24 END 28.263
HIERARCH ESO ISS PBL34 START 22.522
HIERARCH ESO ISS PBL34 END 22.525
HIERARCH ESO ISS PBLA34 START 208.273
HIERARCH ESO ISS PBLA34 END 208.327
HIERARCH ESO ISS AMBI TAU0 START 0.01074
HIERARCH ESO ISS AMBI TAU0 END 0.009184
HIERARCH ESO ISS AMBI TEMP 13.84
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.63