Exposure
ID
PIONI.2022-11-24T03:34:22.080_1
Header ID
PIONI.2022-11-24T03:34:22.080
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 03:34:22.080
UTC End
2022-11-24 03:34:47.680
MJD Start
59907.1488666669
MJD End
59907.1491629632
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.010801
Ambient temperature (°C)
12.12
Seeing (arcsec)
0.58
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 64.4680 64.4090 277.3000 277.4000
K0-D0 92.4430 92.3770 256.1000 256.2000
K0-J3 54.5490 54.5370 341.7990 341.8800
G2-D0 39.8660 39.8610 220.3000 220.4000
G2-J3 64.0410 64.0260 47.0910 47.1210
D0-J3 103.7370 103.7170 44.4990 44.5300
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 59907.1488666669
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 64.468
HIERARCH ESO ISS PBL12 END 64.409
HIERARCH ESO ISS PBLA12 START 277.3
HIERARCH ESO ISS PBLA12 END 277.4
HIERARCH ESO ISS PBL13 START 92.443
HIERARCH ESO ISS PBL13 END 92.377
HIERARCH ESO ISS PBLA13 START 256.1
HIERARCH ESO ISS PBLA13 END 256.2
HIERARCH ESO ISS PBL14 START 54.549
HIERARCH ESO ISS PBL14 END 54.537
HIERARCH ESO ISS PBLA14 START 341.799
HIERARCH ESO ISS PBLA14 END 341.88
HIERARCH ESO ISS PBL23 START 39.866
HIERARCH ESO ISS PBL23 END 39.861
HIERARCH ESO ISS PBLA23 START 220.3
HIERARCH ESO ISS PBLA23 END 220.4
HIERARCH ESO ISS PBL24 START 64.041
HIERARCH ESO ISS PBL24 END 64.026
HIERARCH ESO ISS PBLA24 START 47.091
HIERARCH ESO ISS PBLA24 END 47.121
HIERARCH ESO ISS PBL34 START 103.737
HIERARCH ESO ISS PBL34 END 103.717
HIERARCH ESO ISS PBLA34 START 44.499
HIERARCH ESO ISS PBLA34 END 44.53
HIERARCH ESO ISS AMBI TAU0 START 0.010801
HIERARCH ESO ISS AMBI TAU0 END 0.010801
HIERARCH ESO ISS AMBI TEMP 12.12
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.58