new SI prefixes

[Norman Gray]

Sébastien and all hello.

On 25 Nov 2022, at 15:23, Sebastien Derriere wrote:

> Resolution 3 of the 27th CGPM introduces 4 new decimal prefixes :
>
> https://www.bipm.org/en/cgpm-2022/resolution-3

I've added <https://heptapod.host/nxg/unity/-/issues/13>

>  R is also used for rayleigh, but because bare unit prefixes are ungrammatical,

Indeed.  Bare 'R' would continue to parse as as rayleigh.

>  I suggest these could be added to the Table 3 of the VOUnits document.

And I agree.  And I see you've added <https://github.com/ivoa-std/VOUnits/issues/21> (beat me to it!).

If my arithmetic is right, I see that the side of a rather large barn has an area of approximately 1Qb.

Best wishes,

Norman


-- 
Norman Gray  :  https://nxg.me.uk
SUPA School of Physics and Astronomy, University of Glasgow, UK