White Dwarf Equivalent of Pulsars, Discovered with Suzaku

Details White Dwarf Equivalent of Pulsars, Discovered with Suzaku White Dwarf Equivalent of Pulsars, Discovered with Suzaku

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008asthe.101..526t&link_type=abstract

The Astronomical Herald (ISSN 0374-2466), Vol. 101, No. 9, p. 526 - 534 (2008)

Astronomy and Astrophysics

Astronomy

1

White Dwarfs, Pulsars

Scientific paper

Strongly magnetized white dwarfs have the potential to be a new particle acceleration site of a cosmic-ray origin. Since white dwarfs are common objects, they should become quiet but numerous accelerators giving important contributions to low-energy cosmic rays. Suzaku observed one of the most promising objects as accelerators, AE Aquarii, which has a magnetic field of 105 gauss and a rapid spin period of 33 seconds. The author discovered spiky pulsations like neutron star pulsars in the hard X-ray band of over 4 keV, in addition to the well-known thermal modulation in the softer band. From the timing features, spectral shapes and fluxes, he concludes that AE Aquarii is a white dwarf equivalent of neutron star pulsars.

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