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2011A&A...531A.125C - Astronomy and Astrophysics, volume 531A125-125 (2011/7-1)
A search for radio pulsations from neutron star companions of four subdwarf B stars.
COENEN T., VAN LEEUWEN J. and STAIRS I.H.
Abstract (from CDS):
We searched for radio pulsations from the potential neutron star binary companions to subdwarf B stars HE0532-4503, HE0929-0424, TONS183 and PG1232-136. Optical spectroscopy of these subdwarfs has indicated they orbit a companion in the neutron star mass range. These companions are thought to play an important role in the poorly understood formation of subdwarf B stars. Using the Green Bank Telescope we searched down to mean flux densities as low as 0.2mJy, but no pulsed emission was found. We discuss the implications for each system.
Abstract Copyright: ∼
Journal keyword(s): stars: neutron - pulsars: general - subdwarfs
Simbad objects: 7
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