Exposure
ID
PIONI.2022-11-23T01:55:36.279_1
Header ID
PIONI.2022-11-23T01:55:36.279
Date updated
2022-11-23 02:01:26 UTC+0000
Release date
2023-11-23 02:01:26 UTC+0000
UTC Start
2022-11-23 01:55:36.279
UTC End
2022-11-23 01:56:01.879
MJD Start
59906.0802810094
MJD End
59906.0805773057
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0042085
Ambient temperature (°C)
13.64
Seeing (arcsec)
0.58
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 68.0560 68.0710 270.0000 270.0000
K0-D0 95.0270 95.0580 249.5000 249.5000
K0-J3 56.3310 56.3250 330.5120 330.5630
G2-D0 39.3400 39.3490 212.2000 212.2000
G2-J3 63.4870 63.5040 39.4360 39.4950
D0-J3 102.6310 102.6590 36.6570 36.7170
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 59906.0802810094
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 68.056
HIERARCH ESO ISS PBL12 END 68.071
HIERARCH ESO ISS PBLA12 START 270.0
HIERARCH ESO ISS PBLA12 END 270.0
HIERARCH ESO ISS PBL13 START 95.027
HIERARCH ESO ISS PBL13 END 95.058
HIERARCH ESO ISS PBLA13 START 249.5
HIERARCH ESO ISS PBLA13 END 249.5
HIERARCH ESO ISS PBL14 START 56.331
HIERARCH ESO ISS PBL14 END 56.325
HIERARCH ESO ISS PBLA14 START 330.512
HIERARCH ESO ISS PBLA14 END 330.563
HIERARCH ESO ISS PBL23 START 39.34
HIERARCH ESO ISS PBL23 END 39.349
HIERARCH ESO ISS PBLA23 START 212.2
HIERARCH ESO ISS PBLA23 END 212.2
HIERARCH ESO ISS PBL24 START 63.487
HIERARCH ESO ISS PBL24 END 63.504
HIERARCH ESO ISS PBLA24 START 39.436
HIERARCH ESO ISS PBLA24 END 39.495
HIERARCH ESO ISS PBL34 START 102.631
HIERARCH ESO ISS PBL34 END 102.659
HIERARCH ESO ISS PBLA34 START 36.657
HIERARCH ESO ISS PBLA34 END 36.717
HIERARCH ESO ISS AMBI TAU0 START 0.0044
HIERARCH ESO ISS AMBI TAU0 END 0.004017
HIERARCH ESO ISS AMBI TEMP 13.64
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.58