Exposure
ID
PIONI.2021-11-04T06:47:15.151_1
Header ID
PIONI.2021-11-04T06:47:15.151
Date updated
2021-11-04 06:50:42 UTC+0000
Release date
2021-11-04 06:47:15 UTC+0000
UTC Start
2021-11-04 06:47:15.151
UTC End
2021-11-04 06:47:40.751
MJD Start
59522.2828142452
MJD End
59522.2831105415
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0055455
Ambient temperature (°C)
11.27
Seeing (arcsec)
0.555
Observation
ID
48738
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
36502
Name
32 Eri A
RA
58.572492
DEC
-2.95473
Instrument
Interferometer
VLTI
Instrument
PIONIER
Instrument mode
GRISM-H
Stations
K0 B2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-B2 122.1010 122.0830 242.8000 242.8000
K0-D0 94.8920 94.8560 253.0000 253.0000
K0-J3 50.7290 50.7040 338.2040 338.2810
B2-D0 33.2840 33.2930 32.4000 32.5000
B2-J3 136.5420 136.5720 41.1180 41.1400
D0-J3 103.7600 103.7790 43.8900 43.9090
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 59522.2828142452
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME 32 Eri A
RA 58.572492
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 B2
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 122.101
HIERARCH ESO ISS PBL12 END 122.083
HIERARCH ESO ISS PBLA12 START 242.8
HIERARCH ESO ISS PBLA12 END 242.8
HIERARCH ESO ISS PBL13 START 94.892
HIERARCH ESO ISS PBL13 END 94.856
HIERARCH ESO ISS PBLA13 START 253.0
HIERARCH ESO ISS PBLA13 END 253.0
HIERARCH ESO ISS PBL14 START 50.729
HIERARCH ESO ISS PBL14 END 50.704
HIERARCH ESO ISS PBLA14 START 338.204
HIERARCH ESO ISS PBLA14 END 338.281
HIERARCH ESO ISS PBL23 START 33.284
HIERARCH ESO ISS PBL23 END 33.293
HIERARCH ESO ISS PBLA23 START 32.4
HIERARCH ESO ISS PBLA23 END 32.5
HIERARCH ESO ISS PBL24 START 136.542
HIERARCH ESO ISS PBL24 END 136.572
HIERARCH ESO ISS PBLA24 START 41.118
HIERARCH ESO ISS PBLA24 END 41.14
HIERARCH ESO ISS PBL34 START 103.76
HIERARCH ESO ISS PBL34 END 103.779
HIERARCH ESO ISS PBLA34 START 43.89
HIERARCH ESO ISS PBLA34 END 43.909
HIERARCH ESO ISS AMBI TAU0 START 0.00482
HIERARCH ESO ISS AMBI TAU0 END 0.006271
HIERARCH ESO ISS AMBI TEMP 11.27
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.46