EW Lac HD217050 B4IIIep V=5.43 vsini=300 km/s d=337 pc

To Download HPOL reticon EW Lac data(FITS files):
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Polarizations and Position Angles of Field Stars within 5 degrees of EW Lac

Field StarsField Stars

References

Plots containing all the HPOL reticon observations

(6 HPOL Polarimetric Observations from 1989-1994)
P vs Time PA vs Time Q vs U

%Pol vs Time

PA vs Time

Q vs U

Information on Individual HPOL reticon observations

Quick Look Plot

EW Lac HPOL reticon Observing Log:

                                                                                     intr BJ(pol)
Name     Date     MJD     ExpT   V-Pol(%) V-Err(%) V-PA(deg) HaEqW Vintr-Pol Vintr-PA high low  red
EW Lac   890902 47771.25  6554    1.540    0.005    66.5     25.7
         891025 47824.11  8192    1.274    0.003    67.9     25.2
         920111 48631.97  6554    1.526    0.003    69.5     20.8
         920806 48840.30  6554    1.518    0.003    69.5     19.4
         930712 49180.15  3686    1.438    0.005    68.8     18.2
         940731 49564.27  6554    1.291    0.004    69.1     20.9
 

EW Lac Lyot (1979-1980) Observing Log:

Name     Date     MJD     Pol(%)    Err(%)   PA(deg)   MeanWave WavelRange   HaEqW 
EW Lac   790825 44110.21*  1.75      0.04      69.9      6086A  4800A-7900A   em
         790831 44116.21*  1.61      0.03      69.4      6190A  4800A-8200A   em
         790917 44133.21*  1.50      0.03      70.7      6399A  5100A-8200A   em
         790922 44138.21*  1.48      0.02      69.6      6330A  5000A-8200A   em
         790925 44141.21*  1.55      0.03      70.7      6330A  5000A-8200A   em
         791204 44211.25*  1.41      0.04      69.0      6190A  4800A-8200A   em
         800719 44439.21*  1.39      0.03      69.1      6190A  4800A-8200A   em
         800811 44462.21*  1.35      0.03      71.9      6190A  4800A-8200A   em

* Assumes observation began at midnight local time

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