Exposure
ID
PIONI.2022-11-22T03:28:39.414_1
Header ID
PIONI.2022-11-22T03:28:39.414
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 03:28:39.414
UTC End
2022-11-22 03:29:05.014
MJD Start
59905.1449006204
MJD End
59905.1451969167
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.010425
Ambient temperature (°C)
13.79
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 65.6510 65.6030 276.3000 276.3000
K0-D0 93.7300 93.6790 255.4000 255.4000
K0-J3 54.8190 54.8070 340.0520 340.1280
G2-D0 39.9530 39.9510 219.6000 219.6000
G2-J3 64.3080 64.2990 46.3850 46.4180
D0-J3 104.0860 104.0740 43.7680 43.8020
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 59905.1449006204
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 65.651
HIERARCH ESO ISS PBL12 END 65.603
HIERARCH ESO ISS PBLA12 START 276.3
HIERARCH ESO ISS PBLA12 END 276.3
HIERARCH ESO ISS PBL13 START 93.73
HIERARCH ESO ISS PBL13 END 93.679
HIERARCH ESO ISS PBLA13 START 255.4
HIERARCH ESO ISS PBLA13 END 255.4
HIERARCH ESO ISS PBL14 START 54.819
HIERARCH ESO ISS PBL14 END 54.807
HIERARCH ESO ISS PBLA14 START 340.052
HIERARCH ESO ISS PBLA14 END 340.128
HIERARCH ESO ISS PBL23 START 39.953
HIERARCH ESO ISS PBL23 END 39.951
HIERARCH ESO ISS PBLA23 START 219.6
HIERARCH ESO ISS PBLA23 END 219.6
HIERARCH ESO ISS PBL24 START 64.308
HIERARCH ESO ISS PBL24 END 64.299
HIERARCH ESO ISS PBLA24 START 46.385
HIERARCH ESO ISS PBLA24 END 46.418
HIERARCH ESO ISS PBL34 START 104.086
HIERARCH ESO ISS PBL34 END 104.074
HIERARCH ESO ISS PBLA34 START 43.768
HIERARCH ESO ISS PBLA34 END 43.802
HIERARCH ESO ISS AMBI TAU0 START 0.010667
HIERARCH ESO ISS AMBI TAU0 END 0.010183
HIERARCH ESO ISS AMBI TEMP 13.79
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.47