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astro-ph2000
Mapping the peculiar binary GP Com
L. Morales-Rueda, T. R. Marsh, R. C. North
We present high resolution spectra of the AM CVn helium binary GP Com at two different wavelength ranges. The spectra show the same flaring behaviour observed in previous UV and op…
astro-ph2000★ 211 cited
KPD1930+2752 - a candidate Type Ia supernova progenitor
P. F. L. Maxted, T. R. Marsh, R. C. North
We present spectra of the pulsating sdB star KPD1930+2752 which confirm that this star is a binary. The radial velocities measured from the H-alpha and HeI6678 spectral lines vary…