Exposure
ID
PIONI.2022-11-23T03:14:49.208_1
Header ID
PIONI.2022-11-23T03:14:49.208
Date updated
2022-11-23 03:21:41 UTC+0000
Release date
2023-11-23 03:21:41 UTC+0000
UTC Start
2022-11-23 03:14:49.208
UTC End
2022-11-23 03:15:14.808
MJD Start
59906.1352917557
MJD End
59906.135588052
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.007883
Ambient temperature (°C)
13.42
Seeing (arcsec)
0.59
Observation
ID
53244
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
39600
Name
tau Cet
RA
26.007904
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 66.3830 66.3420 275.5000 275.6000
K0-D0 94.4850 94.4440 254.8000 254.9000
K0-J3 55.0170 55.0050 338.8260 338.8990
G2-D0 39.9830 39.9820 218.9000 219.0000
G2-J3 64.4310 64.4250 45.8160 45.8520
D0-J3 104.2360 104.2290 43.1800 43.2170
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 59906.1352917557
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tau Cet
RA 26.007904
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 66.383
HIERARCH ESO ISS PBL12 END 66.342
HIERARCH ESO ISS PBLA12 START 275.5
HIERARCH ESO ISS PBLA12 END 275.6
HIERARCH ESO ISS PBL13 START 94.485
HIERARCH ESO ISS PBL13 END 94.444
HIERARCH ESO ISS PBLA13 START 254.8
HIERARCH ESO ISS PBLA13 END 254.9
HIERARCH ESO ISS PBL14 START 55.017
HIERARCH ESO ISS PBL14 END 55.005
HIERARCH ESO ISS PBLA14 START 338.826
HIERARCH ESO ISS PBLA14 END 338.899
HIERARCH ESO ISS PBL23 START 39.983
HIERARCH ESO ISS PBL23 END 39.982
HIERARCH ESO ISS PBLA23 START 218.9
HIERARCH ESO ISS PBLA23 END 219.0
HIERARCH ESO ISS PBL24 START 64.431
HIERARCH ESO ISS PBL24 END 64.425
HIERARCH ESO ISS PBLA24 START 45.816
HIERARCH ESO ISS PBLA24 END 45.852
HIERARCH ESO ISS PBL34 START 104.236
HIERARCH ESO ISS PBL34 END 104.229
HIERARCH ESO ISS PBLA34 START 43.18
HIERARCH ESO ISS PBLA34 END 43.217
HIERARCH ESO ISS AMBI TAU0 START 0.007883
HIERARCH ESO ISS AMBI TAU0 END 0.007883
HIERARCH ESO ISS AMBI TEMP 13.42
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.59