Exposure
ID
PIONI.2022-11-20T02:51:50.200_1
Header ID
PIONI.2022-11-20T02:51:50.200
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 02:51:50.200
UTC End
2022-11-20 02:52:15.800
MJD Start
59903.119331019
MJD End
59903.1196273153
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.009184
Ambient temperature (°C)
13.82
Seeing (arcsec)
0.63
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 24.9080 24.9010 144.3000 144.4000
A0-D0 31.9830 31.9800 72.7000 72.8000
A0-C1 22.3760 22.3680 117.4860 117.5370
B2-D0 33.7760 33.7800 28.3000 28.4000
B2-C1 11.2510 11.2520 28.2660 28.3200
D0-C1 22.5250 22.5280 208.3290 208.3830
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 59903.119331019
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 24.908
HIERARCH ESO ISS PBL12 END 24.901
HIERARCH ESO ISS PBLA12 START 144.3
HIERARCH ESO ISS PBLA12 END 144.4
HIERARCH ESO ISS PBL13 START 31.983
HIERARCH ESO ISS PBL13 END 31.98
HIERARCH ESO ISS PBLA13 START 72.7
HIERARCH ESO ISS PBLA13 END 72.8
HIERARCH ESO ISS PBL14 START 22.376
HIERARCH ESO ISS PBL14 END 22.368
HIERARCH ESO ISS PBLA14 START 117.486
HIERARCH ESO ISS PBLA14 END 117.537
HIERARCH ESO ISS PBL23 START 33.776
HIERARCH ESO ISS PBL23 END 33.78
HIERARCH ESO ISS PBLA23 START 28.3
HIERARCH ESO ISS PBLA23 END 28.4
HIERARCH ESO ISS PBL24 START 11.251
HIERARCH ESO ISS PBL24 END 11.252
HIERARCH ESO ISS PBLA24 START 28.266
HIERARCH ESO ISS PBLA24 END 28.32
HIERARCH ESO ISS PBL34 START 22.525
HIERARCH ESO ISS PBL34 END 22.528
HIERARCH ESO ISS PBLA34 START 208.329
HIERARCH ESO ISS PBLA34 END 208.383
HIERARCH ESO ISS AMBI TAU0 START 0.009184
HIERARCH ESO ISS AMBI TAU0 END 0.009184
HIERARCH ESO ISS AMBI TEMP 13.82
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.63