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[vsnet-chat 49] Re: supernova progenitor candidates -Reply




>Berto Monard wrote:
>
>> What about T Pyx? It is near the Chandrasekhar limit. Its next
>> outburst, could it trigger the show?!?
>
>    According to Mariko Kato's calculations, faster novae possess white dwarfs
>whose masses closer to the Chandrasekhar limit.  What about U Sco?
>Being nearer to the ecliptic, the show might be more spectacular.
>
>Regards,
>Taichi Kato
>

I don't want to disappoint you guys, but.......
There is another possibility that their WD collapse to form a binary system
of a neutron star and a slightly evolved secondary. Exact way of how core
collapse occur is still in question, but it may not be so specutacular like
the SN.

Cheers,

-Kaz Sekiguchi

|~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~|
| Kaz Sekiguchi                              |  Phone +81 422 34 3710          |
| Subaru 8.3-m Telescope Project Office      |  Fax   +81 422 34 3608          |
| National Astronomical Observatory of Japan |  Email kaz@optik.mtk.nao.ac.jp  |
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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