Exposure
ID
PIONI.2021-11-10T05:34:22.035_1
Header ID
PIONI.2021-11-10T05:34:22.035
Date updated
2021-11-10 05:46:37 UTC+0000
Release date
2021-11-10 05:34:22 UTC+0000
UTC Start
2021-11-10 05:34:22.035
UTC End
2021-11-10 05:34:47.635
MJD Start
59528.2321994812
MJD End
59528.2324957775
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.002845
Ambient temperature (°C)
9.5
Seeing (arcsec)
0.72
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 88.2150 88.1670 114.9000 114.9000
A0-J2 128.7490 128.7190 92.8000 92.8000
A0-J3 129.5490 129.6030 48.9350 48.9640
G1-J2 57.5230 57.5430 57.6000 57.6000
G1-J3 123.5270 123.5450 8.2200 8.2850
J2-J3 96.5430 96.5100 341.3200 341.3850
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 59528.2321994812
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 88.215
HIERARCH ESO ISS PBL12 END 88.167
HIERARCH ESO ISS PBLA12 START 114.9
HIERARCH ESO ISS PBLA12 END 114.9
HIERARCH ESO ISS PBL13 START 128.749
HIERARCH ESO ISS PBL13 END 128.719
HIERARCH ESO ISS PBLA13 START 92.8
HIERARCH ESO ISS PBLA13 END 92.8
HIERARCH ESO ISS PBL14 START 129.549
HIERARCH ESO ISS PBL14 END 129.603
HIERARCH ESO ISS PBLA14 START 48.935
HIERARCH ESO ISS PBLA14 END 48.964
HIERARCH ESO ISS PBL23 START 57.523
HIERARCH ESO ISS PBL23 END 57.543
HIERARCH ESO ISS PBLA23 START 57.6
HIERARCH ESO ISS PBLA23 END 57.6
HIERARCH ESO ISS PBL24 START 123.527
HIERARCH ESO ISS PBL24 END 123.545
HIERARCH ESO ISS PBLA24 START 8.22
HIERARCH ESO ISS PBLA24 END 8.285
HIERARCH ESO ISS PBL34 START 96.543
HIERARCH ESO ISS PBL34 END 96.51
HIERARCH ESO ISS PBLA34 START 341.32
HIERARCH ESO ISS PBLA34 END 341.385
HIERARCH ESO ISS AMBI TAU0 START 0.003085
HIERARCH ESO ISS AMBI TAU0 END 0.002605
HIERARCH ESO ISS AMBI TEMP 9.5
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.8