Exposure
ID
PIONI.2022-11-20T04:56:52.033_1
Header ID
PIONI.2022-11-20T04:56:52.033
Date updated
2022-11-20 05:06:05 UTC+0000
Release date
2023-11-20 05:06:05 UTC+0000
UTC Start
2022-11-20 04:56:52.033
UTC End
2022-11-20 04:57:17.633
MJD Start
59903.2061577868
MJD End
59903.2064540831
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006537
Ambient temperature (°C)
13.7
Seeing (arcsec)
0.57
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 23.0960 23.0880 161.5000 161.6000
A0-D0 27.3350 27.2940 79.2000 79.2000
A0-C1 18.9060 18.8830 133.0210 133.1270
B2-D0 33.3400 33.3310 35.9000 35.9000
B2-C1 11.1070 11.1040 35.8280 35.8470
D0-C1 22.2340 22.2270 215.8820 215.9010
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 59903.2061577868
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 23.096
HIERARCH ESO ISS PBL12 END 23.088
HIERARCH ESO ISS PBLA12 START 161.5
HIERARCH ESO ISS PBLA12 END 161.6
HIERARCH ESO ISS PBL13 START 27.335
HIERARCH ESO ISS PBL13 END 27.294
HIERARCH ESO ISS PBLA13 START 79.2
HIERARCH ESO ISS PBLA13 END 79.2
HIERARCH ESO ISS PBL14 START 18.906
HIERARCH ESO ISS PBL14 END 18.883
HIERARCH ESO ISS PBLA14 START 133.021
HIERARCH ESO ISS PBLA14 END 133.127
HIERARCH ESO ISS PBL23 START 33.34
HIERARCH ESO ISS PBL23 END 33.331
HIERARCH ESO ISS PBLA23 START 35.9
HIERARCH ESO ISS PBLA23 END 35.9
HIERARCH ESO ISS PBL24 START 11.107
HIERARCH ESO ISS PBL24 END 11.104
HIERARCH ESO ISS PBLA24 START 35.828
HIERARCH ESO ISS PBLA24 END 35.847
HIERARCH ESO ISS PBL34 START 22.234
HIERARCH ESO ISS PBL34 END 22.227
HIERARCH ESO ISS PBLA34 START 215.882
HIERARCH ESO ISS PBLA34 END 215.901
HIERARCH ESO ISS AMBI TAU0 START 0.006537
HIERARCH ESO ISS AMBI TAU0 END 0.006537
HIERARCH ESO ISS AMBI TEMP 13.7
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.57