Exposure
ID
PIONI.2022-11-21T05:42:25.835_1
Header ID
PIONI.2022-11-21T05:42:25.835
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 05:42:25.835
UTC End
2022-11-21 05:42:51.435
MJD Start
59904.2377990205
MJD End
59904.2380953168
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.015723
Ambient temperature (°C)
14.4
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 22.5440 22.5400 170.5000 170.6000
A0-D0 23.3710 23.3160 81.1000 81.1000
A0-J3 113.6530 113.5150 53.4810 53.4700
B2-D0 32.3060 32.2900 36.8000 36.8000
B2-J3 125.5030 125.4040 44.2680 44.2630
D0-J3 93.5650 93.4800 46.8390 46.8320
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 59904.2377990205
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 22.544
HIERARCH ESO ISS PBL12 END 22.54
HIERARCH ESO ISS PBLA12 START 170.5
HIERARCH ESO ISS PBLA12 END 170.6
HIERARCH ESO ISS PBL13 START 23.371
HIERARCH ESO ISS PBL13 END 23.316
HIERARCH ESO ISS PBLA13 START 81.1
HIERARCH ESO ISS PBLA13 END 81.1
HIERARCH ESO ISS PBL14 START 113.653
HIERARCH ESO ISS PBL14 END 113.515
HIERARCH ESO ISS PBLA14 START 53.481
HIERARCH ESO ISS PBLA14 END 53.47
HIERARCH ESO ISS PBL23 START 32.306
HIERARCH ESO ISS PBL23 END 32.29
HIERARCH ESO ISS PBLA23 START 36.8
HIERARCH ESO ISS PBLA23 END 36.8
HIERARCH ESO ISS PBL24 START 125.503
HIERARCH ESO ISS PBL24 END 125.404
HIERARCH ESO ISS PBLA24 START 44.268
HIERARCH ESO ISS PBLA24 END 44.263
HIERARCH ESO ISS PBL34 START 93.565
HIERARCH ESO ISS PBL34 END 93.48
HIERARCH ESO ISS PBLA34 START 46.839
HIERARCH ESO ISS PBLA34 END 46.832
HIERARCH ESO ISS AMBI TAU0 START 0.015686
HIERARCH ESO ISS AMBI TAU0 END 0.01576
HIERARCH ESO ISS AMBI TEMP 14.4
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.47