[ExI] excellent! a nearby 1a has been found, before peak brightness!

BillK pharos at gmail.com
Sat Jan 25 22:47:26 UTC 2014


On Sat, Jan 25, 2014 at 10:14 PM, spike wrote:
<snip>
> Tuesday evening I hear of the type 1a, discovered well before peak
> brightness.  I marvel at hooooowwww muuuuch stuuuuufff has been discovered
> since 1987, and how easy it is to get to it.  We know waaaay more now than
> we did then.  In 1987, we treated the carbon/oxygen interface as a sphere,
> but since then, 3D turbulence modelling has explained why the 1a seems to
> detonate slightly before it reaches the Chandrasekhar Limit, by about 1%,
> and why the explosions usually appear asymmetrical.  All this stuff we can
> now find online, all of it free, such good high quality information, oh my.
> Is this a great time, or what?
>


You will probably enjoy -
<https://medium.com/starts-with-a-bang/b7129a2af0d3>

The most important supernova of the new millennium

How the closest supernova in a generation — soon to be visible to
skywatchers almost everywhere — is about to help us better understand
the entire Universe.
-----------

BillK




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