Exposure
ID
PIONI.2022-11-23T04:47:39.179_1
Header ID
PIONI.2022-11-23T04:47:39.179
Date updated
2022-11-23 04:56:15 UTC+0000
Release date
2023-11-23 04:56:14 UTC+0000
UTC Start
2022-11-23 04:47:39.180
UTC End
2022-11-23 04:48:04.780
MJD Start
59906.1997590237
MJD End
59906.20005532
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.00398
Ambient temperature (°C)
13.29
Seeing (arcsec)
0.58
Observation
ID
53244
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
39600
Name
tau Cet
RA
26.007904
DEC
-15.93313
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 55.4050 55.3070 283.7000 283.8000
K0-D0 81.4460 81.3190 259.3000 259.3000
K0-J3 53.4160 53.4090 351.6660 351.7570
G2-D0 38.5130 38.4950 222.9000 222.9000
G2-J3 60.8480 60.8070 49.2410 49.2490
D0-J3 99.2160 99.1570 46.7760 46.7840
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 59906.1997590237
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tau Cet
RA 26.007904
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 K0
HIERARCH ESO ISS CONF STATION2 G2
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 55.405
HIERARCH ESO ISS PBL12 END 55.307
HIERARCH ESO ISS PBLA12 START 283.7
HIERARCH ESO ISS PBLA12 END 283.8
HIERARCH ESO ISS PBL13 START 81.446
HIERARCH ESO ISS PBL13 END 81.319
HIERARCH ESO ISS PBLA13 START 259.3
HIERARCH ESO ISS PBLA13 END 259.3
HIERARCH ESO ISS PBL14 START 53.416
HIERARCH ESO ISS PBL14 END 53.409
HIERARCH ESO ISS PBLA14 START 351.666
HIERARCH ESO ISS PBLA14 END 351.757
HIERARCH ESO ISS PBL23 START 38.513
HIERARCH ESO ISS PBL23 END 38.495
HIERARCH ESO ISS PBLA23 START 222.9
HIERARCH ESO ISS PBLA23 END 222.9
HIERARCH ESO ISS PBL24 START 60.848
HIERARCH ESO ISS PBL24 END 60.807
HIERARCH ESO ISS PBLA24 START 49.241
HIERARCH ESO ISS PBLA24 END 49.249
HIERARCH ESO ISS PBL34 START 99.216
HIERARCH ESO ISS PBL34 END 99.157
HIERARCH ESO ISS PBLA34 START 46.776
HIERARCH ESO ISS PBLA34 END 46.784
HIERARCH ESO ISS AMBI TAU0 START 0.004047
HIERARCH ESO ISS AMBI TAU0 END 0.003913
HIERARCH ESO ISS AMBI TEMP 13.29
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.57