arcsec
Britishnoun
Example Sentences
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Photon events from the afterglow were selected using a circular extraction region of radius 1 arcsec, while the background level of 2.3 × 10−6 counts arcsec−2 s−1 was estimated from nearby source-free regions.
From Nature ● Oct. 15, 2017
In the nineteenth century, however, it was observed that the actual advance is 574 arcsec per century.
From Textbooks ● Oct. 13, 2016
How close to Uranus would a spacecraft have to get to obtain the same resolution as in Example 12.1 with a camera that has an angular resolution of 2 arcsec?
From Textbooks ● Oct. 13, 2016
The best parallaxes obtained with Hipparcos have an accuracy of 0.001 arcsec.
From Textbooks ● Oct. 13, 2016
The average uncertainty for most Gaia parallaxes will be about 50 microarcsec, or 0.00005 arcsec.
From Textbooks ● Oct. 13, 2016
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