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Spectroscopic observations of V443 Herculis - A symbiotic binary with a low mass white dwarfWe present an analysis of new and existing photometric and spectroscopic observations of the symbiotic binary V443 Herculis. This binary system consists of a normal M5 giant and a hot compact star. These two objects have comparable luminosities: about 1500 solar for the M5 giant and about 1000 solar for the compact star. We identify three nebular regions in this binary: a small, highly ionized volume surrounding the hot component, a modestly ionized shell close to the red giant photosphere, and a less dense region of intermediate ionization encompassing both binary components. The system parameters for V443 Her suggest the hot component currently declines from a symbiotic nova eruption.
Document ID
19930062289
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Dobrzycka, Danuta (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Kenyon, Scott J. (Harvard-Smithsonian Center for Astrophysics Cambridge, MA, United States)
Mikolajewska, Joanna (Polish Academy of Sciences, Astronomical Centre Warsaw, Poland)
Date Acquired
August 16, 2013
Publication Date
July 1, 1993
Publication Information
Publication: Astronomical Journal
Volume: 106
Issue: 1
ISSN: 0004-6256
Subject Category
ASTROPHYSICS
Funding Number(s)
CONTRACT_GRANT: NAG5-1709
Distribution Limits
Public
Copyright
Other