3 papers
astro-ph2001
Determination of Magnetic Fields in the Winds from Hot Stars Using the Hanle Effect
Joseph P. Cassinelli, Kenneth H. Nordsieck, Richard Ignace
Resonance lines that are sensitive to the Hanle effect are prominent in the UV spectra of early-type stars. To understand the differences from the solar application of the Hanle ef…
astro-ph2001
New circumstellar magnetic field diagnostics
K. H. Nordsieck
In this paper I will discuss new magnetic field diagnostics and instrumentation for an area of astrophysics where magnetic field observations have been difficult - circumstellar ma…
astro-ph2001
Ultraviolet and visible spectropolarimetric variability in P Cygni
K. H. Nordsieck, J. Wisniewski, B. L. Babler +9
We report on new data, including four vacuum ultraviolet spectropolarimetric observations by the Wisconsin Ultraviolet Photo-Polarimeter Experiment ("WUPPE") on the Astro-1 (one ob…