Exposure
ID
PIONI.2022-11-24T03:33:07.089_1
Header ID
PIONI.2022-11-24T03:33:07.089
Date updated
2022-11-24 03:41:19 UTC+0000
Release date
2023-11-24 03:41:19 UTC+0000
UTC Start
2022-11-24 03:33:07.090
UTC End
2022-11-24 03:33:32.690
MJD Start
59907.1479987232
MJD End
59907.1482950195
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0100555
Ambient temperature (°C)
12.13
Seeing (arcsec)
0.59
Observation
ID
53258
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
39609
Name
tau Cet
RA
26.007903
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 64.5850 64.5290 277.2000 277.3000
K0-D0 92.5730 92.5110 256.1000 256.1000
K0-J3 54.5740 54.5620 341.6360 341.7140
G2-D0 39.8770 39.8720 220.3000 220.3000
G2-J3 64.0710 64.0570 47.0300 47.0590
D0-J3 103.7760 103.7570 44.4360 44.4660
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 59907.1479987232
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME tau Cet
RA 26.007903
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 64.585
HIERARCH ESO ISS PBL12 END 64.529
HIERARCH ESO ISS PBLA12 START 277.2
HIERARCH ESO ISS PBLA12 END 277.3
HIERARCH ESO ISS PBL13 START 92.573
HIERARCH ESO ISS PBL13 END 92.511
HIERARCH ESO ISS PBLA13 START 256.1
HIERARCH ESO ISS PBLA13 END 256.1
HIERARCH ESO ISS PBL14 START 54.574
HIERARCH ESO ISS PBL14 END 54.562
HIERARCH ESO ISS PBLA14 START 341.636
HIERARCH ESO ISS PBLA14 END 341.714
HIERARCH ESO ISS PBL23 START 39.877
HIERARCH ESO ISS PBL23 END 39.872
HIERARCH ESO ISS PBLA23 START 220.3
HIERARCH ESO ISS PBLA23 END 220.3
HIERARCH ESO ISS PBL24 START 64.071
HIERARCH ESO ISS PBL24 END 64.057
HIERARCH ESO ISS PBLA24 START 47.03
HIERARCH ESO ISS PBLA24 END 47.059
HIERARCH ESO ISS PBL34 START 103.776
HIERARCH ESO ISS PBL34 END 103.757
HIERARCH ESO ISS PBLA34 START 44.436
HIERARCH ESO ISS PBLA34 END 44.466
HIERARCH ESO ISS AMBI TAU0 START 0.00931
HIERARCH ESO ISS AMBI TAU0 END 0.010801
HIERARCH ESO ISS AMBI TEMP 12.13
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.58