Exposure
ID
PIONI.2022-11-21T05:39:55.466_1
Header ID
PIONI.2022-11-21T05:39:55.466
Date updated
2022-11-21 05:45:53 UTC+0000
Release date
2023-11-21 05:45:53 UTC+0000
UTC Start
2022-11-21 05:39:55.467
UTC End
2022-11-21 05:40:21.067
MJD Start
59904.2360586417
MJD End
59904.236354938
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.015227
Ambient temperature (°C)
14.39
Seeing (arcsec)
0.47
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 22.5650 22.5600 170.0000 170.1000
A0-D0 23.5970 23.5430 81.0000 81.0000
A0-J3 114.2230 114.0870 53.5220 53.5130
B2-D0 32.3710 32.3560 36.8000 36.8000
B2-J3 125.9150 125.8170 44.2900 44.2850
D0-J3 93.9160 93.8320 46.8700 46.8630
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 59904.2360586417
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 22.565
HIERARCH ESO ISS PBL12 END 22.56
HIERARCH ESO ISS PBLA12 START 170.0
HIERARCH ESO ISS PBLA12 END 170.1
HIERARCH ESO ISS PBL13 START 23.597
HIERARCH ESO ISS PBL13 END 23.543
HIERARCH ESO ISS PBLA13 START 81.0
HIERARCH ESO ISS PBLA13 END 81.0
HIERARCH ESO ISS PBL14 START 114.223
HIERARCH ESO ISS PBL14 END 114.087
HIERARCH ESO ISS PBLA14 START 53.522
HIERARCH ESO ISS PBLA14 END 53.513
HIERARCH ESO ISS PBL23 START 32.371
HIERARCH ESO ISS PBL23 END 32.356
HIERARCH ESO ISS PBLA23 START 36.8
HIERARCH ESO ISS PBLA23 END 36.8
HIERARCH ESO ISS PBL24 START 125.915
HIERARCH ESO ISS PBL24 END 125.817
HIERARCH ESO ISS PBLA24 START 44.29
HIERARCH ESO ISS PBLA24 END 44.285
HIERARCH ESO ISS PBL34 START 93.916
HIERARCH ESO ISS PBL34 END 93.832
HIERARCH ESO ISS PBLA34 START 46.87
HIERARCH ESO ISS PBLA34 END 46.863
HIERARCH ESO ISS AMBI TAU0 START 0.015227
HIERARCH ESO ISS AMBI TAU0 END 0.015227
HIERARCH ESO ISS AMBI TEMP 14.39
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.47