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Supersoft X-ray Light Curve of RS Oph -- The White Dwarf Mass is Now Increasing
Mariko Kato, Izumi Hachisu, Gerardo Juan Manuel Luna
The recurrent nova RS Ophiuchi, one of the candidates for Type Ia supernova progenitors, underwent the sixth recorded outburst in February 2006. We report a complete light curve of…
Optical light curves of RS Oph (2006) and hydrogen burning turnoff
Izumi Hachisu, Mariko Kato, Seiichiro Kiyota +11
We report a coordinated multi-band photometry of the RS Oph 2006 outburst and highlight the emission line free y-band photometry that shows a mid-plateau phase at y ~ 10.2 mag from…
A Universal Decline Law of Classical Novae. III. GQ Mus 1983
Izumi Hachisu, Mariko Kato, Angelo Cassatella
We present a unified model of infrared (IR), optical, ultraviolet (UV), and X-ray light curves for the 1983 outburst of GQ Muscae (Nova Muscae 1983) and estimate its white dwarf (W…
Helium Nova on a Very Massive White Dwarf -- A Light Curve Model of V445 Puppis (2000) Revised
Mariko Kato, Izumi Hachisu, Seiichiro Kiyota +1
V445 Pup (2000) is a unique object identified as a helium nova. Color indexes during the outburst are consistent with those of free-free emission. We present a free-free emission d…