Exposure
ID
PIONI.2021-11-05T05:28:38.881_1
Header ID
PIONI.2021-11-05T05:28:38.881
Date updated
2021-11-05 05:36:52 UTC+0000
Release date
2021-11-05 05:28:38 UTC+0000
UTC Start
2021-11-05 05:28:38.881
UTC End
2021-11-05 05:29:04.481
MJD Start
59523.2282277881
MJD End
59523.2285240844
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.006058
Ambient temperature (°C)
10.78
Seeing (arcsec)
0.36
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 119.2680 119.3300 241.2000 241.2000
K0-D0 94.7380 94.7760 252.1000 252.1000
K0-J3 53.7760 53.7530 330.3260 330.3770
B2-D0 31.7760 31.7900 26.8000 26.9000
B2-J3 130.1210 130.1910 36.7460 36.7950
D0-J3 98.9720 99.0280 39.9180 39.9630
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 59523.2282277881
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 119.268
HIERARCH ESO ISS PBL12 END 119.33
HIERARCH ESO ISS PBLA12 START 241.2
HIERARCH ESO ISS PBLA12 END 241.2
HIERARCH ESO ISS PBL13 START 94.738
HIERARCH ESO ISS PBL13 END 94.776
HIERARCH ESO ISS PBLA13 START 252.1
HIERARCH ESO ISS PBLA13 END 252.1
HIERARCH ESO ISS PBL14 START 53.776
HIERARCH ESO ISS PBL14 END 53.753
HIERARCH ESO ISS PBLA14 START 330.326
HIERARCH ESO ISS PBLA14 END 330.377
HIERARCH ESO ISS PBL23 START 31.776
HIERARCH ESO ISS PBL23 END 31.79
HIERARCH ESO ISS PBLA23 START 26.8
HIERARCH ESO ISS PBLA23 END 26.9
HIERARCH ESO ISS PBL24 START 130.121
HIERARCH ESO ISS PBL24 END 130.191
HIERARCH ESO ISS PBLA24 START 36.746
HIERARCH ESO ISS PBLA24 END 36.795
HIERARCH ESO ISS PBL34 START 98.972
HIERARCH ESO ISS PBL34 END 99.028
HIERARCH ESO ISS PBLA34 START 39.918
HIERARCH ESO ISS PBLA34 END 39.963
HIERARCH ESO ISS AMBI TAU0 START 0.006058
HIERARCH ESO ISS AMBI TAU0 END 0.006058
HIERARCH ESO ISS AMBI TEMP 10.78
HIERARCH ESO ISS AMBI FWHM START 0.36
HIERARCH ESO ISS AMBI FWHM END 0.36