Eta Tau HD23630 B7IIIe V=2.87 vsini=140 km/s d=113 pc

To Download HPOL reticon Eta Tau data(FITS files):
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Polarizations and Position Angles of Field Stars within 3 degrees of Eta Tau

Field Stars

References

• Constraints on the Geometry of Circumstellar Envelopes: Optical Interferometric and Spectropolarimetric Observations of Seven Be Stars 1997-- A. Quirrenbach, K. S. Bjorkman, J. E. Bjorkman, C. A. Hummel, D. F. Buscher, J. T. Armstrong, D. Mozurkewich, N. M. Elias II and B. L. Babler, Ap. J., 479, 477.

Plots containing all the HPOL reticon observations

%Pol vs Time	PA vs Time	Q vs U

Information on Individual HPOL reticon observations

Eta Tau 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
Eta Tau  920302 48683.02  8192    0.153    0.001   112.4      3.0
         921024 48919.19  6554    0.156    0.001   114.3      2.9
         941014 49639.35  4915    0.148    0.002   113.4      3.0
         941111 49667.26  6554    0.157    0.002   111.6      2.7