Exposure
ID
PIONI.2022-11-21T06:15:39.902_1
Header ID
PIONI.2022-11-21T06:15:39.902
Date updated
2022-11-21 06:20:58 UTC+0000
Release date
2023-11-21 06:20:58 UTC+0000
UTC Start
2022-11-21 06:15:39.901
UTC End
2022-11-21 06:16:05.501
MJD Start
59904.2608784875
MJD End
59904.2611747838
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.015539
Ambient temperature (°C)
14.55
Seeing (arcsec)
0.34
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 22.3650 22.3630 176.9000 177.0000
A0-D0 20.1330 20.0710 82.1000 82.1000
A0-J3 105.3650 105.2040 52.4880 52.4620
B2-D0 31.3240 31.3040 36.7000 36.7000
B2-J3 119.4350 119.3150 43.5970 43.5780
D0-J3 88.4160 88.3130 46.0320 46.0100
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 59904.2608784875
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 22.365
HIERARCH ESO ISS PBL12 END 22.363
HIERARCH ESO ISS PBLA12 START 176.9
HIERARCH ESO ISS PBLA12 END 177.0
HIERARCH ESO ISS PBL13 START 20.133
HIERARCH ESO ISS PBL13 END 20.071
HIERARCH ESO ISS PBLA13 START 82.1
HIERARCH ESO ISS PBLA13 END 82.1
HIERARCH ESO ISS PBL14 START 105.365
HIERARCH ESO ISS PBL14 END 105.204
HIERARCH ESO ISS PBLA14 START 52.488
HIERARCH ESO ISS PBLA14 END 52.462
HIERARCH ESO ISS PBL23 START 31.324
HIERARCH ESO ISS PBL23 END 31.304
HIERARCH ESO ISS PBLA23 START 36.7
HIERARCH ESO ISS PBLA23 END 36.7
HIERARCH ESO ISS PBL24 START 119.435
HIERARCH ESO ISS PBL24 END 119.315
HIERARCH ESO ISS PBLA24 START 43.597
HIERARCH ESO ISS PBLA24 END 43.578
HIERARCH ESO ISS PBL34 START 88.416
HIERARCH ESO ISS PBL34 END 88.313
HIERARCH ESO ISS PBLA34 START 46.032
HIERARCH ESO ISS PBLA34 END 46.01
HIERARCH ESO ISS AMBI TAU0 START 0.015539
HIERARCH ESO ISS AMBI TAU0 END 0.015539
HIERARCH ESO ISS AMBI TEMP 14.55
HIERARCH ESO ISS AMBI FWHM START 0.34
HIERARCH ESO ISS AMBI FWHM END 0.34