Exposure
ID
PIONI.2022-11-18T03:35:52.698_1
Header ID
PIONI.2022-11-18T03:35:52.698
Date updated
2022-11-18 03:40:45 UTC+0000
Release date
2023-11-18 03:40:45 UTC+0000
UTC Start
2022-11-18 03:35:52.698
UTC End
2022-11-18 03:36:18.298
MJD Start
59901.1499154898
MJD End
59901.1502117861
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002299
Ambient temperature (°C)
17.8
Seeing (arcsec)
1.69
Observation
ID
53168
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
39536
Name
tau Cet
RA
26.006752
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 24.4450 24.4370 148.4000 148.5000
A0-D0 31.4730 31.4590 74.9000 75.0000
A0-C1 21.7360 21.7220 120.8850 120.9470
B2-D0 33.9270 33.9280 31.2000 31.3000
B2-C1 11.3010 11.3020 31.1850 31.2290
D0-C1 22.6250 22.6260 211.2460 211.2900
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 59901.1499154898
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tau Cet
RA 26.006752
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 24.445
HIERARCH ESO ISS PBL12 END 24.437
HIERARCH ESO ISS PBLA12 START 148.4
HIERARCH ESO ISS PBLA12 END 148.5
HIERARCH ESO ISS PBL13 START 31.473
HIERARCH ESO ISS PBL13 END 31.459
HIERARCH ESO ISS PBLA13 START 74.9
HIERARCH ESO ISS PBLA13 END 75.0
HIERARCH ESO ISS PBL14 START 21.736
HIERARCH ESO ISS PBL14 END 21.722
HIERARCH ESO ISS PBLA14 START 120.885
HIERARCH ESO ISS PBLA14 END 120.947
HIERARCH ESO ISS PBL23 START 33.927
HIERARCH ESO ISS PBL23 END 33.928
HIERARCH ESO ISS PBLA23 START 31.2
HIERARCH ESO ISS PBLA23 END 31.3
HIERARCH ESO ISS PBL24 START 11.301
HIERARCH ESO ISS PBL24 END 11.302
HIERARCH ESO ISS PBLA24 START 31.185
HIERARCH ESO ISS PBLA24 END 31.229
HIERARCH ESO ISS PBL34 START 22.625
HIERARCH ESO ISS PBL34 END 22.626
HIERARCH ESO ISS PBLA34 START 211.246
HIERARCH ESO ISS PBLA34 END 211.29
HIERARCH ESO ISS AMBI TAU0 START 0.002299
HIERARCH ESO ISS AMBI TAU0 END 0.002299
HIERARCH ESO ISS AMBI TEMP 17.8
HIERARCH ESO ISS AMBI FWHM START 1.69
HIERARCH ESO ISS AMBI FWHM END 1.69