Exposure
ID
PIONI.2021-11-06T05:37:45.403_1
Header ID
PIONI.2021-11-06T05:37:45.403
Date updated
2021-11-06 05:40:49 UTC+0000
Release date
2021-11-06 05:37:45 UTC+0000
UTC Start
2021-11-06 05:37:45.402
UTC End
2021-11-06 05:38:11.002
MJD Start
59524.2345532668
MJD End
59524.2348495631
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.003959
Ambient temperature (°C)
10.9
Seeing (arcsec)
0.62
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 68.3260 68.3220 271.5000 271.5000
K0-D0 95.4330 95.4570 252.4000 252.4000
K0-J3 53.2680 53.2450 331.4680 331.5260
G2-D0 38.1690 38.1870 216.4000 216.4000
G2-J3 62.1400 62.1700 43.6090 43.6510
D0-J3 100.1210 100.1700 40.8610 40.9060
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 59524.2345532668
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 68.326
HIERARCH ESO ISS PBL12 END 68.322
HIERARCH ESO ISS PBLA12 START 271.5
HIERARCH ESO ISS PBLA12 END 271.5
HIERARCH ESO ISS PBL13 START 95.433
HIERARCH ESO ISS PBL13 END 95.457
HIERARCH ESO ISS PBLA13 START 252.4
HIERARCH ESO ISS PBLA13 END 252.4
HIERARCH ESO ISS PBL14 START 53.268
HIERARCH ESO ISS PBL14 END 53.245
HIERARCH ESO ISS PBLA14 START 331.468
HIERARCH ESO ISS PBLA14 END 331.526
HIERARCH ESO ISS PBL23 START 38.169
HIERARCH ESO ISS PBL23 END 38.187
HIERARCH ESO ISS PBLA23 START 216.4
HIERARCH ESO ISS PBLA23 END 216.4
HIERARCH ESO ISS PBL24 START 62.14
HIERARCH ESO ISS PBL24 END 62.17
HIERARCH ESO ISS PBLA24 START 43.609
HIERARCH ESO ISS PBLA24 END 43.651
HIERARCH ESO ISS PBL34 START 100.121
HIERARCH ESO ISS PBL34 END 100.17
HIERARCH ESO ISS PBLA34 START 40.861
HIERARCH ESO ISS PBLA34 END 40.906
HIERARCH ESO ISS AMBI TAU0 START 0.003959
HIERARCH ESO ISS AMBI TAU0 END 0.003959
HIERARCH ESO ISS AMBI TEMP 10.9
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.62