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1983•International Astronomical Union ColloquiumOpen access

Recent Spectroscopy of X-Ray Sources and Systems Related to Cataclysmic Variables: II

D. Crampton, Anne Pyne Cowley, J. B. Hutchings

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Abstract

ABSTRACT Spectroscopic observations of two very different objects are discussed: the first, SS433, is a wery massive binary system probably containing an unseen 0 or WR star and a black hole surrounded by a luminous precessing accretion disk (from which emanate spectacular relativistic jets); the second, GK Per, is a classical old nova consisting of a slightly evolved K2 star and an unseen white dwarf companion surrounded by an accretion disk which is less luminous than the K2 star.

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ABSTRACT Spectroscopic observations of two very different objects are discussed: the first, SS433, is a wery massive binary system probably containing an unseen 0 or WR star and a black hole surrounded by a luminous precessing accretion disk (from which emanate spectacular relativistic jets); the second, GK Per, is a classical old nova consisting of a slightly evolved K2 star and an unseen white dwarf companion surrounded by an accretion disk which is less luminous than the K2 star.

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Available abstract

ABSTRACT Spectroscopic observations of two very different objects are discussed: the first, SS433, is a wery massive binary system probably containing an unseen 0 or WR star and a black hole surrounded by a luminous precessing accretion disk (from which emanate spectacular relativistic jets); the second, GK Per, is a classical old nova consisting of a slightly evolved K2 star and an unseen white dwarf companion surrounded by an accretion disk which is less luminous than the K2 star.

Key concepts: White dwarf, Physics, Intermediate polar, Astrophysics, Accretion disc, Accretion (finance), Cataclysmic variable star, Dwarf nova

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