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Masquerade! Dwarf Nova Faces on Parade

27 Feb 2021, 21:30 UTC
Masquerade! Dwarf Nova Faces on Parade
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English

Title: Classical Novae Masquerading as Dwarf Novae? Outburst Properties of Cataclysmic Variables with ASAS-SNAuthors: A. Kawash, L. Chomiuk, J. Strader, E. Aydi, K. V. Sokolovsky, T. Jayasinghe, C. S. Kochanek, P. Schmeer, K. Z. Stanek, K. Mukai, B. Shappee, Z. Way, C. Basinger, T. W.-S. Holoien, & J. L. PrietoFirst author’s institution: Center for Data Intensive and Time Domain Astronomy, Michigan State University Journal: Submitted to APJ, pre-print available on the arXiv
Who is WhoMy favorite star is a cataclysmic variable star, or Gillian Anderson, depending on the context of the question. This type of variable star is my favorite, because it’s actually a binary star system, instead of just a single star. In this system, a white dwarf accretes matter from a donor star, usually (but not always) one on the main sequence. In most cases, an accretion disc will also form around the white dwarf. See Fig. 1 for an illustrated example. Sometimes explosions will occur within the binary, and they’re called “novae.” A “Classical Nova” (CN; CNe plural) happens on the surface of the white dwarf and is caused by thermonuclear runaway. A “Dwarf Nova” (DN; DNe plural) happens in the accretion disc and is thought ...

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