Milliarcsecond
= Milliarcsecond
{title2=$\mathrm{mas}$}
One thousandth of an <arcsecond>: $1\,\mathrm{mas}=\pi/(648000000)\,\mathrm{rad}$.
= Milliarcsecond
{title2=$\mathrm{mas}$}
One thousandth of an <arcsecond>: $1\,\mathrm{mas}=\pi/(648000000)\,\mathrm{rad}$.