Sentences with phrase «published proper motion»
Not exact matches
This binary star system was listed by Stephen Groombridge (1755 - 1834), whose «A Catalog of Circumpolar Stars» was published posthumously in 1838, but its large proper motion was not discovered and measured until 1860.
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The high proper motion of this star may have been first detected in a series of proper motion surveys first published in 1957 of 9,867 stars in the Southern Hemisphere and updated in supplements.