Exposure
ID
PIONI.2022-11-24T03:18:39.953_1
Header ID
PIONI.2022-11-24T03:18:39.953
Date updated
2022-11-24 03:29:04 UTC+0000
Release date
2023-11-24 03:29:04 UTC+0000
UTC Start
2022-11-24 03:18:39.953
UTC End
2022-11-24 03:19:05.553
MJD Start
59907.1379624181
MJD End
59907.1382587144
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.008883
Ambient temperature (°C)
12.21
Seeing (arcsec)
0.585
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 65.8180 65.7710 276.1000 276.2000
K0-D0 93.9050 93.8560 255.3000 255.3000
K0-J3 54.8610 54.8490 339.7880 339.8630
G2-D0 39.9620 39.9600 219.4000 219.5000
G2-J3 64.3390 64.3310 46.2690 46.3030
D0-J3 104.1260 104.1150 43.6480 43.6830
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 59907.1379624181
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 65.818
HIERARCH ESO ISS PBL12 END 65.771
HIERARCH ESO ISS PBLA12 START 276.1
HIERARCH ESO ISS PBLA12 END 276.2
HIERARCH ESO ISS PBL13 START 93.905
HIERARCH ESO ISS PBL13 END 93.856
HIERARCH ESO ISS PBLA13 START 255.3
HIERARCH ESO ISS PBLA13 END 255.3
HIERARCH ESO ISS PBL14 START 54.861
HIERARCH ESO ISS PBL14 END 54.849
HIERARCH ESO ISS PBLA14 START 339.788
HIERARCH ESO ISS PBLA14 END 339.863
HIERARCH ESO ISS PBL23 START 39.962
HIERARCH ESO ISS PBL23 END 39.96
HIERARCH ESO ISS PBLA23 START 219.4
HIERARCH ESO ISS PBLA23 END 219.5
HIERARCH ESO ISS PBL24 START 64.339
HIERARCH ESO ISS PBL24 END 64.331
HIERARCH ESO ISS PBLA24 START 46.269
HIERARCH ESO ISS PBLA24 END 46.303
HIERARCH ESO ISS PBL34 START 104.126
HIERARCH ESO ISS PBL34 END 104.115
HIERARCH ESO ISS PBLA34 START 43.648
HIERARCH ESO ISS PBLA34 END 43.683
HIERARCH ESO ISS AMBI TAU0 START 0.008883
HIERARCH ESO ISS AMBI TAU0 END 0.008883
HIERARCH ESO ISS AMBI TEMP 12.21
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.56