Exposure
ID
PIONI.2022-11-23T03:56:38.168_1
Header ID
PIONI.2022-11-23T03:56:38.168
Date updated
2022-11-23 04:06:10 UTC+0000
Release date
2023-11-23 04:06:10 UTC+0000
UTC Start
2022-11-23 03:56:38.168
UTC End
2022-11-23 03:57:03.768
MJD Start
59906.1643306483
MJD End
59906.1646269446
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.007259
Ambient temperature (°C)
13.48
Seeing (arcsec)
0.45
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 62.5470 62.4780 278.8000 278.9000
K0-D0 90.2470 90.1660 257.0000 257.1000
K0-J3 54.1980 54.1870 344.2640 344.3460
G2-D0 39.6590 39.6500 221.2000 221.3000
G2-J3 63.4970 63.4760 47.8960 47.9190
D0-J3 102.9920 102.9620 45.3380 45.3620
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 59906.1643306483
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 62.547
HIERARCH ESO ISS PBL12 END 62.478
HIERARCH ESO ISS PBLA12 START 278.8
HIERARCH ESO ISS PBLA12 END 278.9
HIERARCH ESO ISS PBL13 START 90.247
HIERARCH ESO ISS PBL13 END 90.166
HIERARCH ESO ISS PBLA13 START 257.0
HIERARCH ESO ISS PBLA13 END 257.1
HIERARCH ESO ISS PBL14 START 54.198
HIERARCH ESO ISS PBL14 END 54.187
HIERARCH ESO ISS PBLA14 START 344.264
HIERARCH ESO ISS PBLA14 END 344.346
HIERARCH ESO ISS PBL23 START 39.659
HIERARCH ESO ISS PBL23 END 39.65
HIERARCH ESO ISS PBLA23 START 221.2
HIERARCH ESO ISS PBLA23 END 221.3
HIERARCH ESO ISS PBL24 START 63.497
HIERARCH ESO ISS PBL24 END 63.476
HIERARCH ESO ISS PBLA24 START 47.896
HIERARCH ESO ISS PBLA24 END 47.919
HIERARCH ESO ISS PBL34 START 102.992
HIERARCH ESO ISS PBL34 END 102.962
HIERARCH ESO ISS PBLA34 START 45.338
HIERARCH ESO ISS PBLA34 END 45.362
HIERARCH ESO ISS AMBI TAU0 START 0.007127
HIERARCH ESO ISS AMBI TAU0 END 0.007391
HIERARCH ESO ISS AMBI TEMP 13.48
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.46