4 Her HD142926 B9pe V=5.75 vsini=300 km/s d=148 pc

To Download HPOL reticon 4 Her data(FITS files):
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Polarizations and Position Angles of Field Stars within 5 degrees of 4 Her

Field Stars

References

Plots containing all the HPOL reticon observations

%Pol vs Time	PA vs Time	Q vs U

Information on Individual HPOL reticon observations

4 Her 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
4 Her    920320 48701.23  5120    0.123    0.011   140.6     -1.6
         920513 48755.18  8192    0.150    0.004   149.4     -1.5
         930218 49036.42  3277    0.157    0.007   151.3      1.1