Exposure
ID
PIONI.2022-11-18T02:13:01.523_1
Header ID
PIONI.2022-11-18T02:13:01.523
Date updated
2022-11-18 02:20:48 UTC+0000
Release date
2023-11-18 02:20:48 UTC+0000
UTC Start
2022-11-18 02:13:01.523
UTC End
2022-11-18 02:13:27.123
MJD Start
59901.0923787435
MJD End
59901.0926750398
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003612
Ambient temperature (°C)
17.56
Seeing (arcsec)
1.32
Observation
ID
53168
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
39536
Name
tau Cet
RA
26.006752
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 25.2600 25.2580 140.1000 140.1000
A0-D0 31.6460 31.6580 69.3000 69.4000
A0-C1 22.6140 22.6160 113.9890 114.0290
B2-D0 33.3680 33.3740 23.7000 23.7000
B2-C1 11.1150 11.1170 23.6320 23.6970
D0-C1 22.2530 22.2570 203.6960 203.7620
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 59901.0923787435
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tau Cet
RA 26.006752
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 25.26
HIERARCH ESO ISS PBL12 END 25.258
HIERARCH ESO ISS PBLA12 START 140.1
HIERARCH ESO ISS PBLA12 END 140.1
HIERARCH ESO ISS PBL13 START 31.646
HIERARCH ESO ISS PBL13 END 31.658
HIERARCH ESO ISS PBLA13 START 69.3
HIERARCH ESO ISS PBLA13 END 69.4
HIERARCH ESO ISS PBL14 START 22.614
HIERARCH ESO ISS PBL14 END 22.616
HIERARCH ESO ISS PBLA14 START 113.989
HIERARCH ESO ISS PBLA14 END 114.029
HIERARCH ESO ISS PBL23 START 33.368
HIERARCH ESO ISS PBL23 END 33.374
HIERARCH ESO ISS PBLA23 START 23.7
HIERARCH ESO ISS PBLA23 END 23.7
HIERARCH ESO ISS PBL24 START 11.115
HIERARCH ESO ISS PBL24 END 11.117
HIERARCH ESO ISS PBLA24 START 23.632
HIERARCH ESO ISS PBLA24 END 23.697
HIERARCH ESO ISS PBL34 START 22.253
HIERARCH ESO ISS PBL34 END 22.257
HIERARCH ESO ISS PBLA34 START 203.696
HIERARCH ESO ISS PBLA34 END 203.762
HIERARCH ESO ISS AMBI TAU0 START 0.003612
HIERARCH ESO ISS AMBI TAU0 END 0.003612
HIERARCH ESO ISS AMBI TEMP 17.56
HIERARCH ESO ISS AMBI FWHM START 1.32
HIERARCH ESO ISS AMBI FWHM END 1.32