[vsnet-alert 10651] Re: (fwd) V838 Mon: Radical spectral changes at short wavelengths

[Sebastian Otero]

> To understand these changes, one should take into account that before 
> the explosion in 2002, V838 Mon was a system containing two B3V type 
> stars, and the brighter companion exploded. The remnant of the 
> explosion was an expanding very cool star, a possible L type 
> supergiant. 

. why should a B3V dwarf explode?

Cheers,
Sebastian.