Exposure
ID
PIONI.2022-11-22T04:01:03.487_1
Header ID
PIONI.2022-11-22T04:01:03.487
Date updated
2022-11-22 04:06:24 UTC+0000
Release date
2023-11-22 04:06:24 UTC+0000
UTC Start
2022-11-22 04:01:03.487
UTC End
2022-11-22 04:01:29.087
MJD Start
59905.1674014726
MJD End
59905.1676977689
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006947
Ambient temperature (°C)
13.37
Seeing (arcsec)
0.49
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 62.4910 62.4220 278.9000 278.9000
K0-D0 90.1810 90.1000 257.1000 257.1000
K0-J3 54.1890 54.1780 344.3300 344.4130
G2-D0 39.6520 39.6430 221.3000 221.3000
G2-J3 63.4800 63.4580 47.9140 47.9380
D0-J3 102.9680 102.9380 45.3570 45.3820
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 59905.1674014726
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 62.491
HIERARCH ESO ISS PBL12 END 62.422
HIERARCH ESO ISS PBLA12 START 278.9
HIERARCH ESO ISS PBLA12 END 278.9
HIERARCH ESO ISS PBL13 START 90.181
HIERARCH ESO ISS PBL13 END 90.1
HIERARCH ESO ISS PBLA13 START 257.1
HIERARCH ESO ISS PBLA13 END 257.1
HIERARCH ESO ISS PBL14 START 54.189
HIERARCH ESO ISS PBL14 END 54.178
HIERARCH ESO ISS PBLA14 START 344.33
HIERARCH ESO ISS PBLA14 END 344.413
HIERARCH ESO ISS PBL23 START 39.652
HIERARCH ESO ISS PBL23 END 39.643
HIERARCH ESO ISS PBLA23 START 221.3
HIERARCH ESO ISS PBLA23 END 221.3
HIERARCH ESO ISS PBL24 START 63.48
HIERARCH ESO ISS PBL24 END 63.458
HIERARCH ESO ISS PBLA24 START 47.914
HIERARCH ESO ISS PBLA24 END 47.938
HIERARCH ESO ISS PBL34 START 102.968
HIERARCH ESO ISS PBL34 END 102.938
HIERARCH ESO ISS PBLA34 START 45.357
HIERARCH ESO ISS PBLA34 END 45.382
HIERARCH ESO ISS AMBI TAU0 START 0.006947
HIERARCH ESO ISS AMBI TAU0 END 0.006947
HIERARCH ESO ISS AMBI TEMP 13.37
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.49