minute of arc

(redirected from Arc-minute)
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Related to Arc-minute: Arc second

minute of arc

(arc minute; arc min) See arc second.
References in periodicals archive ?
Backlash is [greater than or equal to] 4 to [greater than or equal to] 6 arc-minutes, with optional backlash down to [greater than or equal to] 1 arc-minute.
Just 55 light-years from us, the pale yellow primary is revealed in small telescopes to have a much fainter 8.2-magnitude red companion a quarter arc-minute distant.
Other features include a 13 arc-minute maximum backlash and anodized aluminum housings.
This performance is achieved in a compact design using a patented 5" tooth harmonic drive gear coupled to a DC brushless pancake motor with integral electronic commutation and a high resolution encoder, Rated torque up to 1730 in-lb and positional accuracy better than 1 arc-minute can be achieved.
This performance is achieved in a compact design using a patented "S" tooth harmonic drive gear coupled to a DC brushless pancake motor with integral electronic commutation and a high resolution encoder, Rated torque up to 1730 in-lb and positional accuracy better than 1 arc-minute can be achieved.
With a surface brightness of roughly magnitude 13.5 per square arc-minute, its elongated form and extensions are easily picked up in a 6-inch telescope (see the photograph on the facing page).
Track north nearly a degree to a distinct yellow 6th magnitude star, then M76 is a short 11 arc-minutes westwards.
The group Hogg 22, about 5 arc-minutes towards the east, resembles a tight knot of stars towards the southern point of a long string draped from north to south in a perfect half-moon shape.
Each board has two isolated synchro/resolver channels with independent ADCs, and each channel offers 16-bit resolution, [+ or -] 2.6 arc-minutes accuracy, and scan rates up to 4,000 Hz.
Each board has two fully isolated, synchro/resolver channels with independent A/D converters, and each channel offers 16-bit resolution, [+ or -]2.6 arc-minutes accuracy, and scan rates up to 4,000 Hz.
To enable the autonomous control of the formation to better than 2 cm uncertainty in range and 5 arc-minutes in bearing angle, two or more sensors will be required.
The RH mini actuators combine zero backlash harmonic drive gearing with rare-earth magnet DC servo motors to provide both high torque and positional accuracy better than 2 arc-minutes. Rated torques of 2.6 thru 56 in-lb and rated speed of 15 thru 60 rpm are available depending on frame size and gear ratio.