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Thejas A Nair thejasanair275 at gmail.com
Thu Aug 10 12:54:54 CDT 2023


Thank you so much for the info!

On Thu, 10 Aug 2023, 11:16 pm Peter Diener, <diener at cct.lsu.edu> wrote:

> Hi Thejas,
>
> In the Einstein Toolkit, we use, as is common in numerical relativity,
> units where the speed of light, c, and the gravitational constant, G, are
> chosen to be c=G=1. In addition, we measure mass in units of the solar
> mass, M_sun. 1 solar mass can be converted into a length by multiplying by
> G and dividing by c^2. This is then the unit of length. We can convert
> that into a time by dividing by c. So the unit of length and time in SI
> units are then
>
> [L] = 1 M_sun*G/c^2 = 1477 m.
> [T] = 1 M_sun*G/c^3 = 4.93 10^-6 s.
>
> As can be seen, the unit of length is 1 half the Scharzschild radius of a
> black hole with a mass of 1 solar mass. The unit if time is then the time
> it takes light to travel that distance.
>
> Cheers,
>
>    Peter
>
> On Thu, 10 Aug 2023, Thejas A Nair wrote:
>
> > Hi,
> > I had a doubt about this graph, Why do we have a 'Mass of the sun'
> parameter
> > in the x-axis, What is the logic behind it?
> > Warm Regards
> >
> >
>
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