Exposure
ID
PIONI.2022-11-21T04:48:13.529_1
Header ID
PIONI.2022-11-21T04:48:13.529
Date updated
2022-11-21 04:55:48 UTC+0000
Release date
2023-11-21 04:55:48 UTC+0000
UTC Start
2022-11-21 04:48:13.528
UTC End
2022-11-21 04:48:39.128
MJD Start
59904.2001565751
MJD End
59904.2004528714
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.013231
Ambient temperature (°C)
14.59
Seeing (arcsec)
0.43
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 23.1620 23.1530 160.7000 160.8000
A0-D0 27.6540 27.6140 79.0000 79.1000
A0-J3 124.1530 124.0590 53.5040 53.5130
B2-D0 33.4120 33.4030 35.7000 35.7000
B2-J3 132.8660 132.8030 43.9180 43.9300
D0-J3 99.9100 99.8550 46.6540 46.6650
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 59904.2001565751
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 23.162
HIERARCH ESO ISS PBL12 END 23.153
HIERARCH ESO ISS PBLA12 START 160.7
HIERARCH ESO ISS PBLA12 END 160.8
HIERARCH ESO ISS PBL13 START 27.654
HIERARCH ESO ISS PBL13 END 27.614
HIERARCH ESO ISS PBLA13 START 79.0
HIERARCH ESO ISS PBLA13 END 79.1
HIERARCH ESO ISS PBL14 START 124.153
HIERARCH ESO ISS PBL14 END 124.059
HIERARCH ESO ISS PBLA14 START 53.504
HIERARCH ESO ISS PBLA14 END 53.513
HIERARCH ESO ISS PBL23 START 33.412
HIERARCH ESO ISS PBL23 END 33.403
HIERARCH ESO ISS PBLA23 START 35.7
HIERARCH ESO ISS PBLA23 END 35.7
HIERARCH ESO ISS PBL24 START 132.866
HIERARCH ESO ISS PBL24 END 132.803
HIERARCH ESO ISS PBLA24 START 43.918
HIERARCH ESO ISS PBLA24 END 43.93
HIERARCH ESO ISS PBL34 START 99.91
HIERARCH ESO ISS PBL34 END 99.855
HIERARCH ESO ISS PBLA34 START 46.654
HIERARCH ESO ISS PBLA34 END 46.665
HIERARCH ESO ISS AMBI TAU0 START 0.013231
HIERARCH ESO ISS AMBI TAU0 END 0.013231
HIERARCH ESO ISS AMBI TEMP 14.59
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.43