Exposure
ID
PIONI.2021-11-09T05:58:43.647_1
Header ID
PIONI.2021-11-09T05:58:43.647
Date updated
2021-11-09 06:05:43 UTC+0000
Release date
2021-11-09 05:58:43 UTC+0000
UTC Start
2021-11-09 05:58:43.647
UTC End
2021-11-09 05:59:09.247
MJD Start
59527.2491162862
MJD End
59527.2494125825
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003291
Ambient temperature (°C)
12.04
Seeing (arcsec)
0.84
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 83.3610 83.2780 115.4000 115.5000
A0-J2 125.0670 124.9810 92.5000 92.5000
A0-J3 131.4670 131.4990 50.5850 50.5950
G1-J2 58.1670 58.1730 58.6000 58.6000
G1-J3 122.1430 122.1720 12.4240 12.4850
J2-J3 92.0220 91.9890 345.2780 345.3540
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 59527.2491162862
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 83.361
HIERARCH ESO ISS PBL12 END 83.278
HIERARCH ESO ISS PBLA12 START 115.4
HIERARCH ESO ISS PBLA12 END 115.5
HIERARCH ESO ISS PBL13 START 125.067
HIERARCH ESO ISS PBL13 END 124.981
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 131.467
HIERARCH ESO ISS PBL14 END 131.499
HIERARCH ESO ISS PBLA14 START 50.585
HIERARCH ESO ISS PBLA14 END 50.595
HIERARCH ESO ISS PBL23 START 58.167
HIERARCH ESO ISS PBL23 END 58.173
HIERARCH ESO ISS PBLA23 START 58.6
HIERARCH ESO ISS PBLA23 END 58.6
HIERARCH ESO ISS PBL24 START 122.143
HIERARCH ESO ISS PBL24 END 122.172
HIERARCH ESO ISS PBLA24 START 12.424
HIERARCH ESO ISS PBLA24 END 12.485
HIERARCH ESO ISS PBL34 START 92.022
HIERARCH ESO ISS PBL34 END 91.989
HIERARCH ESO ISS PBLA34 START 345.278
HIERARCH ESO ISS PBLA34 END 345.354
HIERARCH ESO ISS AMBI TAU0 START 0.003291
HIERARCH ESO ISS AMBI TAU0 END 0.003291
HIERARCH ESO ISS AMBI TEMP 12.04
HIERARCH ESO ISS AMBI FWHM START 0.84
HIERARCH ESO ISS AMBI FWHM END 0.84