minute of arc

(redirected from arcsecond)
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minute of arc

(arc minute; arc min) See arc second.
References in periodicals archive ?
Nathan Ramasarma, Co-founder and CEO of ArcSecond, Inc.
Each 1-arcsecond resolution product was converted to 3 arcseconds using a method appropriate to the type of data.
This shift results in an apparent angular displacement seen from the Earth of less than an arcsecond, of the order of accuracy of the position reconstructed with the software.
A degree is made up of 60 arcminutes (60'), and each arcminute is made up of 60 arcseconds (60").
Even at a good location, atmospheric turbulence smears out details smaller than 1 arcsecond across.
Luyten's catalogue contains 895 stars with total proper motions in excess of [half an arcsecond per year].
05 arcsecond of Keck, which observes in near-infrared as Subaru does and is often the gold standard for AO results.
The cluster is 95 arcseconds across, meaning it is three times the size of the full Moon, although it is quite diffuse.
That's not very big - the full moon is 1,800 arcseconds - but Mars won't be closer than it is now until the year 2287.
1 arcseconds (1/36,000 of a degree) in angle compared to the official reference value.