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arcsecond

Arcsecond vs Subarcsecond - What's the difference?

arcsecond | subarcsecond |


As a noun arcsecond

is a unit of angle; 1/60th of an arcminute, or 1/3600th of a degree.

As an adjective subarcsecond is

describing an angle having a value less than one arcsecond.

Arcsecond vs Millarcsecond - What's the difference?

arcsecond | millarcsecond |


As nouns the difference between arcsecond and millarcsecond

is that arcsecond is a unit of angle; 1/60th of an arcminute, or 1/3600th of a degree while millarcsecond is (astronomy) a unit of angle equal to one thousandth of an arcsecond.

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