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astro-ph2003★ 51 cited
V445 Puppis -- Helium nova on a massive white dwarf
Mariko Kato, Izumi Hachisu
The 2000 outburst of V445 Puppis shows unique properties, such as absence of hydrogen, enrichment of helium and carbon, slow development of the light curve with a small amplitude t…
astro-ph2003★ 56 cited
A limit cycle model for long-term optical variations of V Sagittae: The second example of accretion wind evolution
Izumi Hachisu, Mariko Kato
V Sagittae shows quasi-periodic optical high (soft X-ray off) and low (soft X-ray on) states with the total period of ~300 days. A binary model is presented to explain orbital ligh…
astro-ph2003★ 51 cited
A new clue to the transition mechanism between optical high and low states of the supersoft X-ray source RX J0513.9-6951, implied from the recurrent nova CI Aquilae 2000 outburst model
Izumi Hachisu, Mariko Kato
We have found a new clue to the transition mechanism between optical high/X-ray off and optical low/X-ray on states of the LMC supersoft X-ray source RX J0513.9-6951. A sharp ~1 ma…