Exposure
ID
PIONI.2021-11-10T05:31:49.858_1
Header ID
PIONI.2021-11-10T05:31:49.858
Date updated
2021-11-10 05:40:47 UTC+0000
Release date
2021-11-10 05:31:49 UTC+0000
UTC Start
2021-11-10 05:31:49.858
UTC End
2021-11-10 05:32:15.458
MJD Start
59528.2304381686
MJD End
59528.2307344649
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002988
Ambient temperature (°C)
9.59
Seeing (arcsec)
0.59
Observation
ID
48811
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
A0 G1 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 88.4140 88.3690 114.8000 114.8000
A0-J2 128.8650 128.8400 92.8000 92.8000
A0-J3 129.3160 129.3700 48.8130 48.8470
G1-J2 57.4360 57.4570 57.5000 57.6000
G1-J3 123.4530 123.4700 7.9450 8.0140
J2-J3 96.6800 96.6480 341.0490 341.1160
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 59528.2304381686
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 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
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 88.414
HIERARCH ESO ISS PBL12 END 88.369
HIERARCH ESO ISS PBLA12 START 114.8
HIERARCH ESO ISS PBLA12 END 114.8
HIERARCH ESO ISS PBL13 START 128.865
HIERARCH ESO ISS PBL13 END 128.84
HIERARCH ESO ISS PBLA13 START 92.8
HIERARCH ESO ISS PBLA13 END 92.8
HIERARCH ESO ISS PBL14 START 129.316
HIERARCH ESO ISS PBL14 END 129.37
HIERARCH ESO ISS PBLA14 START 48.813
HIERARCH ESO ISS PBLA14 END 48.847
HIERARCH ESO ISS PBL23 START 57.436
HIERARCH ESO ISS PBL23 END 57.457
HIERARCH ESO ISS PBLA23 START 57.5
HIERARCH ESO ISS PBLA23 END 57.6
HIERARCH ESO ISS PBL24 START 123.453
HIERARCH ESO ISS PBL24 END 123.47
HIERARCH ESO ISS PBLA24 START 7.945
HIERARCH ESO ISS PBLA24 END 8.014
HIERARCH ESO ISS PBL34 START 96.68
HIERARCH ESO ISS PBL34 END 96.648
HIERARCH ESO ISS PBLA34 START 341.049
HIERARCH ESO ISS PBLA34 END 341.116
HIERARCH ESO ISS AMBI TAU0 START 0.002988
HIERARCH ESO ISS AMBI TAU0 END 0.002988
HIERARCH ESO ISS AMBI TEMP 9.59
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.59