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astro-ph.SR2023★ 3 cited
A helium nova in the Large Magellanic Cloud -- the faint supersoft X-ray source [HP99]159
Mariko Kato, Izumi Hachisu, Hideyuki Saio
We propose a helium nova model for the Large Magellanic Cloud (LMC) supersoft X-ray source (SSS) [HP99]159. This object has long been detected as a faint and persistent SSS for abo…
astro-ph.SR2023★ 15 cited
A multiwavelength light curve analysis of the classical nova YZ Ret: An extension of the universal decline law to the nebular phase
Izumi Hachisu, Mariko Kato
YZ Ret is the first X-ray flash detected classical nova, and is also well observed in optical, X-ray, and gamma-ray. We propose a comprehensive model that explains the observationa…
astro-ph.SR2023★ 5 cited
Theoretical light curve models of the symbiotic nova CN Cha -- Optical flat peak for three years
Mariko Kato, Izumi Hachisu
CN Cha is a slow symbiotic nova characterized by a three-years-long optical flat peak followed by a rapid decline. We present theoretical light curves for CN Cha, based on hydrosta…