Photometry, polarimetry, and spectroscopy of AM Herculis variables

Details Photometry, polarimetry, and spectroscopy of AM Herculis variables Photometry, polarimetry, and spectroscopy of AM Herculis variables

Jan 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986ap%26ss.118..291t&link_type=abstract

(IAU, Asian-Pacific Regional Meeting, 3rd, Kyoto, Japan, Sept. 30-Oct. 5, 1984) Astrophysics and Space Science (ISSN 0004-640X),

Astronomy and Astrophysics

Astrophysics

4

Light Curve, Polarimetry, Stellar Spectrophotometry, Variable Stars, White Dwarf Stars, Linear Polarization, Stellar Magnetic Fields

Scientific paper

The authors report AAT observations of two southern AM Herculis variables, H0139-68 and E1405-451. H0139-68 was found to be in an unusually faint state (V ⪆ 17), and this has permitted the first measurement of the magnetic field of the white dwarf, BP ≡ 3×107G. Linear polarimetry of E1405-451 has revealed a substantial position angle variation with phase, corresponding to an orbital inclination of ≡60° and a colatitude of ≡20° for the magnetic pole of the white dwarf.

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