Exposure
ID
PIONI.2021-11-06T05:38:23.506_1
Header ID
PIONI.2021-11-06T05:38:23.506
Date updated
2021-11-06 05:45:44 UTC+0000
Release date
2021-11-06 05:38:23 UTC+0000
UTC Start
2021-11-06 05:38:23.506
UTC End
2021-11-06 05:38:49.106
MJD Start
59524.2349942797
MJD End
59524.235290576
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0035685
Ambient temperature (°C)
10.9
Seeing (arcsec)
0.655
Observation
ID
48773
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
36530
Name
32 Eri A
RA
58.573049
DEC
-2.95473
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 68.3210 68.3160 271.5000 271.5000
K0-D0 95.4590 95.4830 252.4000 252.4000
K0-J3 53.2430 53.2200 331.5260 331.5840
G2-D0 38.1880 38.2060 216.4000 216.5000
G2-J3 62.1730 62.2030 43.6490 43.6910
D0-J3 100.1740 100.2220 40.9040 40.9490
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 59524.2349942797
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 32 Eri A
RA 58.573049
DEC -2.95473
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 68.321
HIERARCH ESO ISS PBL12 END 68.316
HIERARCH ESO ISS PBLA12 START 271.5
HIERARCH ESO ISS PBLA12 END 271.5
HIERARCH ESO ISS PBL13 START 95.459
HIERARCH ESO ISS PBL13 END 95.483
HIERARCH ESO ISS PBLA13 START 252.4
HIERARCH ESO ISS PBLA13 END 252.4
HIERARCH ESO ISS PBL14 START 53.243
HIERARCH ESO ISS PBL14 END 53.22
HIERARCH ESO ISS PBLA14 START 331.526
HIERARCH ESO ISS PBLA14 END 331.584
HIERARCH ESO ISS PBL23 START 38.188
HIERARCH ESO ISS PBL23 END 38.206
HIERARCH ESO ISS PBLA23 START 216.4
HIERARCH ESO ISS PBLA23 END 216.5
HIERARCH ESO ISS PBL24 START 62.173
HIERARCH ESO ISS PBL24 END 62.203
HIERARCH ESO ISS PBLA24 START 43.649
HIERARCH ESO ISS PBLA24 END 43.691
HIERARCH ESO ISS PBL34 START 100.174
HIERARCH ESO ISS PBL34 END 100.222
HIERARCH ESO ISS PBLA34 START 40.904
HIERARCH ESO ISS PBLA34 END 40.949
HIERARCH ESO ISS AMBI TAU0 START 0.003959
HIERARCH ESO ISS AMBI TAU0 END 0.003178
HIERARCH ESO ISS AMBI TEMP 10.9
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.69