Exposure
ID
PIONI.2021-11-09T06:00:00.054_1
Header ID
PIONI.2021-11-09T06:00:00.054
Date updated
2021-11-09 06:11:15 UTC+0000
Release date
2021-11-09 06:00:00 UTC+0000
UTC Start
2021-11-09 06:00:00.055
UTC End
2021-11-09 06:00:25.655
MJD Start
59527.2500006319
MJD End
59527.2502969282
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003623
Ambient temperature (°C)
11.98
Seeing (arcsec)
0.755
Observation
ID
48815
Category
calibrator
Program ID
108.227F.001
Program Title
THE FIRST INTERFEROMETRIC IMAGE OF A SUNLIKE STAR: EPS ERIDANI
Program Type
Normal
PI / COI
ROETTENBACHER/ KORHONEN/ FISCHER/ DAVIES
Target
ID
36561
Name
10 Tau
RA
54.21558
DEC
0.39725
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
A0 G1 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 83.1840 83.0990 115.5000 115.5000
A0-J2 124.8850 124.7970 92.5000 92.5000
A0-J3 131.5330 131.5640 50.6060 50.6160
G1-J2 58.1790 58.1840 58.6000 58.6000
G1-J3 122.2040 122.2330 12.5510 12.6110
J2-J3 91.9540 91.9220 345.4380 345.5130
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 108.227F.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE FRINGE,OBJECT
MJD-OBS 59527.2500006319
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 10 Tau
RA 54.21558
DEC 0.39725
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 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
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 83.184
HIERARCH ESO ISS PBL12 END 83.099
HIERARCH ESO ISS PBLA12 START 115.5
HIERARCH ESO ISS PBLA12 END 115.5
HIERARCH ESO ISS PBL13 START 124.885
HIERARCH ESO ISS PBL13 END 124.797
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 131.533
HIERARCH ESO ISS PBL14 END 131.564
HIERARCH ESO ISS PBLA14 START 50.606
HIERARCH ESO ISS PBLA14 END 50.616
HIERARCH ESO ISS PBL23 START 58.179
HIERARCH ESO ISS PBL23 END 58.184
HIERARCH ESO ISS PBLA23 START 58.6
HIERARCH ESO ISS PBLA23 END 58.6
HIERARCH ESO ISS PBL24 START 122.204
HIERARCH ESO ISS PBL24 END 122.233
HIERARCH ESO ISS PBLA24 START 12.551
HIERARCH ESO ISS PBLA24 END 12.611
HIERARCH ESO ISS PBL34 START 91.954
HIERARCH ESO ISS PBL34 END 91.922
HIERARCH ESO ISS PBLA34 START 345.438
HIERARCH ESO ISS PBLA34 END 345.513
HIERARCH ESO ISS AMBI TAU0 START 0.003623
HIERARCH ESO ISS AMBI TAU0 END 0.003623
HIERARCH ESO ISS AMBI TEMP 11.98
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.76