Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective Describing an
angle having a value less than onearcsecond
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
sub- + arcsecond
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Examples
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This program uses the combination of HST-FGS3 / FGS1R at optical wavelengths, historical infrared speckle data, ground-based parallax work, metallicity studies, and radial velocity monitoring to examine nearby, subarcsecond binary systems.
SpaceRef Top Stories 2008
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This program uses the combination of HST-FGS3 / FGS1R at optical wavelengths, historical infrared speckle data, ground-based parallax work, metallicity studies, and radial velocity monitoring to examine nearby, subarcsecond binary systems.
SpaceRef Top Stories 2008
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