Examples of 'arc seconds' in a sentence
Meaning of "arc seconds"
arc seconds: A unit of angular measurement often used in astronomy to define the apparent size of celestial objects. One arc second is equal to 1/3600 of a degree.
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- plural of arc second
How to use "arc seconds" in a sentence
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arc seconds
Brightness of the sky on visual magnitude on arc seconds.
It was located about 19 arc seconds to the northwest of the nucleus.
The precession of the perihelion of Mercury was off about 43 arc seconds a century.
The resolution is 1.5 arc seconds per pixel across the whole field of view.
The separation of both components is 34 arc seconds.
The two stars are separated by 34 arc seconds and are lights years away.
I estimated its diameter to be about 40 arc seconds.
Theodolites with an accuracy of 15 arc seconds or greater accuracy.
While the bright part of the nebula has a diameter of about 65 arc seconds.
Seeing categories in arc seconds ( arcsec ).
The resolution of the physical landscape is 30 arc seconds.
The planetary disc will appear 20 arc seconds in diameter.
Field of view is measured in degrees, arc minutes, and arc seconds.
It has a relatively large proper motion of 0.558 arc seconds per year across the sky.
The absolute pointing error needs to be less than 3.7 arc seconds.
See also
The components are located 35 arc seconds apart.
It has mid-height rocking-curve widths of less than 30 arc seconds.
The nebula is apparently expanding at a rate of 6.8 arc seconds per century.
A potential companion had also been detected, a 14th magnitude star ( in infrared ) 8 arc seconds away.
The outer shell of M57 expands at a rate of about 1 arc seconds per century.
It has a relatively high proper motion, showing a transverse movement of 0.769 arc seconds per year.
Precision series, up to 2 arc seconds.
The measuring accuracy is 30 arc seconds.
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