Exposure
ID
PIONI.2021-11-07T05:24:58.212_1
Header ID
PIONI.2021-11-07T05:24:58.212
Date updated
2021-11-07 05:30:44 UTC+0000
Release date
2021-11-07 05:24:58 UTC+0000
UTC Start
2021-11-07 05:24:58.212
UTC End
2021-11-07 05:25:23.812
MJD Start
59525.2256737524
MJD End
59525.2259700487
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.0057125
Ambient temperature (°C)
12.39
Seeing (arcsec)
0.64
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 68.3410 68.3440 271.4000 271.4000
K0-D0 94.9910 95.0250 252.2000 252.2000
K0-J3 53.6150 53.5920 330.6770 330.7290
G2-D0 37.8870 37.9070 215.7000 215.7000
G2-J3 61.6580 61.6920 43.0190 43.0600
D0-J3 99.3530 99.4070 40.2280 40.2720
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 59525.2256737524
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 68.341
HIERARCH ESO ISS PBL12 END 68.344
HIERARCH ESO ISS PBLA12 START 271.4
HIERARCH ESO ISS PBLA12 END 271.4
HIERARCH ESO ISS PBL13 START 94.991
HIERARCH ESO ISS PBL13 END 95.025
HIERARCH ESO ISS PBLA13 START 252.2
HIERARCH ESO ISS PBLA13 END 252.2
HIERARCH ESO ISS PBL14 START 53.615
HIERARCH ESO ISS PBL14 END 53.592
HIERARCH ESO ISS PBLA14 START 330.677
HIERARCH ESO ISS PBLA14 END 330.729
HIERARCH ESO ISS PBL23 START 37.887
HIERARCH ESO ISS PBL23 END 37.907
HIERARCH ESO ISS PBLA23 START 215.7
HIERARCH ESO ISS PBLA23 END 215.7
HIERARCH ESO ISS PBL24 START 61.658
HIERARCH ESO ISS PBL24 END 61.692
HIERARCH ESO ISS PBLA24 START 43.019
HIERARCH ESO ISS PBLA24 END 43.06
HIERARCH ESO ISS PBL34 START 99.353
HIERARCH ESO ISS PBL34 END 99.407
HIERARCH ESO ISS PBLA34 START 40.228
HIERARCH ESO ISS PBLA34 END 40.272
HIERARCH ESO ISS AMBI TAU0 START 0.00574
HIERARCH ESO ISS AMBI TAU0 END 0.005685
HIERARCH ESO ISS AMBI TEMP 12.39
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.65