Exposure
ID
PIONI.2021-11-09T05:15:48.070_1
Header ID
PIONI.2021-11-09T05:15:48.070
Date updated
2021-11-09 05:25:39 UTC+0000
Release date
2021-11-09 05:15:48 UTC+0000
UTC Start
2021-11-09 05:15:48.070
UTC End
2021-11-09 05:16:13.670
MJD Start
59527.2193063665
MJD End
59527.2196026628
Exposure time (s)
25.6
Validation level
1
Tau 0: Coherence time (s)
0.004837
Ambient temperature (°C)
11.88
Seeing (arcsec)
0.51
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 89.6710 89.6410 114.2000 114.2000
A0-J2 129.2280 129.2310 92.5000 92.5000
A0-J3 127.1870 127.2580 47.7160 47.7530
G1-J2 56.5810 56.6110 56.7000 56.8000
G1-J3 122.9480 122.9610 5.7420 5.8100
J2-J3 97.7780 97.7450 339.0210 339.0790
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 59527.2193063665
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 89.671
HIERARCH ESO ISS PBL12 END 89.641
HIERARCH ESO ISS PBLA12 START 114.2
HIERARCH ESO ISS PBLA12 END 114.2
HIERARCH ESO ISS PBL13 START 129.228
HIERARCH ESO ISS PBL13 END 129.231
HIERARCH ESO ISS PBLA13 START 92.5
HIERARCH ESO ISS PBLA13 END 92.5
HIERARCH ESO ISS PBL14 START 127.187
HIERARCH ESO ISS PBL14 END 127.258
HIERARCH ESO ISS PBLA14 START 47.716
HIERARCH ESO ISS PBLA14 END 47.753
HIERARCH ESO ISS PBL23 START 56.581
HIERARCH ESO ISS PBL23 END 56.611
HIERARCH ESO ISS PBLA23 START 56.7
HIERARCH ESO ISS PBLA23 END 56.8
HIERARCH ESO ISS PBL24 START 122.948
HIERARCH ESO ISS PBL24 END 122.961
HIERARCH ESO ISS PBLA24 START 5.742
HIERARCH ESO ISS PBLA24 END 5.81
HIERARCH ESO ISS PBL34 START 97.778
HIERARCH ESO ISS PBL34 END 97.745
HIERARCH ESO ISS PBLA34 START 339.021
HIERARCH ESO ISS PBLA34 END 339.079
HIERARCH ESO ISS AMBI TAU0 START 0.004837
HIERARCH ESO ISS AMBI TAU0 END 0.004837
HIERARCH ESO ISS AMBI TEMP 11.88
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.51