Exposure
ID
PIONI.2022-11-22T03:29:16.770_1
Header ID
PIONI.2022-11-22T03:29:16.770
Date updated
2022-11-22 03:36:05 UTC+0000
Release date
2023-11-22 03:36:05 UTC+0000
UTC Start
2022-11-22 03:29:16.771
UTC End
2022-11-22 03:29:42.371
MJD Start
59905.1453329935
MJD End
59905.1456292898
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.010183
Ambient temperature (°C)
13.76
Seeing (arcsec)
0.47
Observation
ID
53230
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
39588
Name
tau Cet
RA
26.007905
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 65.6010 65.5540 276.3000 276.4000
K0-D0 93.6760 93.6250 255.4000 255.5000
K0-J3 54.8060 54.7940 340.1320 340.2080
G2-D0 39.9510 39.9480 219.6000 219.6000
G2-J3 64.2980 64.2880 46.4200 46.4530
D0-J3 104.0740 104.0610 43.8040 43.8380
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 59905.1453329935
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tau Cet
RA 26.007905
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 65.601
HIERARCH ESO ISS PBL12 END 65.554
HIERARCH ESO ISS PBLA12 START 276.3
HIERARCH ESO ISS PBLA12 END 276.4
HIERARCH ESO ISS PBL13 START 93.676
HIERARCH ESO ISS PBL13 END 93.625
HIERARCH ESO ISS PBLA13 START 255.4
HIERARCH ESO ISS PBLA13 END 255.5
HIERARCH ESO ISS PBL14 START 54.806
HIERARCH ESO ISS PBL14 END 54.794
HIERARCH ESO ISS PBLA14 START 340.132
HIERARCH ESO ISS PBLA14 END 340.208
HIERARCH ESO ISS PBL23 START 39.951
HIERARCH ESO ISS PBL23 END 39.948
HIERARCH ESO ISS PBLA23 START 219.6
HIERARCH ESO ISS PBLA23 END 219.6
HIERARCH ESO ISS PBL24 START 64.298
HIERARCH ESO ISS PBL24 END 64.288
HIERARCH ESO ISS PBLA24 START 46.42
HIERARCH ESO ISS PBLA24 END 46.453
HIERARCH ESO ISS PBL34 START 104.074
HIERARCH ESO ISS PBL34 END 104.061
HIERARCH ESO ISS PBLA34 START 43.804
HIERARCH ESO ISS PBLA34 END 43.838
HIERARCH ESO ISS AMBI TAU0 START 0.010183
HIERARCH ESO ISS AMBI TAU0 END 0.010183
HIERARCH ESO ISS AMBI TEMP 13.76
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.47