Polarimetry of ST LMi - Discovery of a second accreting pole

Details Polarimetry of ST LMi - Discovery of a second accreting pole Polarimetry of ST LMi - Discovery of a second accreting pole

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992mnras.259..583p&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 259, no. 3, p. 583-592.

Astronomy and Astrophysics

Astronomy

7

Accretion Disks, Astronomical Polarimetry, Cataclysmic Variables, Light Curve, Stellar Spectrophotometry, White Dwarf Stars, Cyclotron Radiation, Infrared Astronomy, Near Infrared Radiation, Stellar Magnetic Fields

Scientific paper

We have obtained simultaneous multiband photometric and polarimetric light curves for ST LMi (CW1103 + 254) in the visible range and the near-infrared on three occasions. These clearly show the presence of previously unobserved accretion at or near the second magnetic pole of the white dwarf. The secondary accretion region is seen only in the H and J bands, from which we infer a lower accretion rate than for the primary region.

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