Exposure
ID
PIONI.2022-11-20T04:23:06.300_1
Header ID
PIONI.2022-11-20T04:23:06.300
Date updated
2022-11-20 04:31:12 UTC+0000
Release date
2023-11-20 04:31:12 UTC+0000
UTC Start
2022-11-20 04:23:06.301
UTC End
2022-11-20 04:23:31.901
MJD Start
59903.1827118141
MJD End
59903.1830081104
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0047725
Ambient temperature (°C)
13.8
Seeing (arcsec)
0.705
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 23.5970 23.5880 156.0000 156.1000
A0-D0 29.3810 29.3490 77.8000 77.8000
A0-C1 20.1390 20.1190 127.6390 127.7250
B2-D0 33.7460 33.7410 34.5000 34.6000
B2-C1 11.2410 11.2400 34.4970 34.5260
D0-C1 22.5050 22.5010 214.5540 214.5820
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 59903.1827118141
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 23.597
HIERARCH ESO ISS PBL12 END 23.588
HIERARCH ESO ISS PBLA12 START 156.0
HIERARCH ESO ISS PBLA12 END 156.1
HIERARCH ESO ISS PBL13 START 29.381
HIERARCH ESO ISS PBL13 END 29.349
HIERARCH ESO ISS PBLA13 START 77.8
HIERARCH ESO ISS PBLA13 END 77.8
HIERARCH ESO ISS PBL14 START 20.139
HIERARCH ESO ISS PBL14 END 20.119
HIERARCH ESO ISS PBLA14 START 127.639
HIERARCH ESO ISS PBLA14 END 127.725
HIERARCH ESO ISS PBL23 START 33.746
HIERARCH ESO ISS PBL23 END 33.741
HIERARCH ESO ISS PBLA23 START 34.5
HIERARCH ESO ISS PBLA23 END 34.6
HIERARCH ESO ISS PBL24 START 11.241
HIERARCH ESO ISS PBL24 END 11.24
HIERARCH ESO ISS PBLA24 START 34.497
HIERARCH ESO ISS PBLA24 END 34.526
HIERARCH ESO ISS PBL34 START 22.505
HIERARCH ESO ISS PBL34 END 22.501
HIERARCH ESO ISS PBLA34 START 214.554
HIERARCH ESO ISS PBLA34 END 214.582
HIERARCH ESO ISS AMBI TAU0 START 0.005076
HIERARCH ESO ISS AMBI TAU0 END 0.004469
HIERARCH ESO ISS AMBI TEMP 13.8
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.73