Astronomy: General

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AGK

A Dictionary of Astronomy | 1997 | Copyright

AGK Abbr. for Astronomischen Gesellschaft Katalog, a series of catalogues of star positions. AGK1 covered most of the sky, observed by meridian circles around the world; it was published between 1890 and 1954. AGK2 (1951–8) was a repetition of AGK1, with additional stars, from the north pole to 2° declination observed photographically from Hamburg and Bonn in about 1930. It contains 181 581 stars, mostly to about magnitude 9 plus some fainter stars. AGK2A (published 1943) contains positions of 13 747 reference stars for AGK2, mostly of 8th and 9th magnitudes, derived from meridian observations made from Germany and Pulkovo, Russia. AGK3 (published 1975) was a reobservation of AGK2; the prefix AGK was retained even though the catalogue was not published under the auspices of the Astronomischen Gesellschaft. AGK3R contains the positions of 21 499 reference stars for AGK3, observed in an international programme from about a dozen observatories. See also Southern Reference Stars. http://vizier.u-strasbg.fr/viz-bin/Cat?I/61B

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AGK

The Oxford Dictionary of Abbreviations | 1998 | | Copyright

AGK Astronomische Gesellschaft Katalog (German: Astronomical Society Catalogue)

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FRAN ALEXANDER , PETER BLAIR , JOHN DAINTITH , ALICE GRANDISON , VALERIE ILLINGWORTH , ELIZABETH MARTIN , ANNE STIBBS , JUDY PEARSALL , and SARA TULLOCH. "AGK." The Oxford Dictionary of Abbreviations. 1998. Encyclopedia.com. 29 May. 2012 <http://www.encyclopedia.com>.

FRAN ALEXANDER , PETER BLAIR , JOHN DAINTITH , ALICE GRANDISON , VALERIE ILLINGWORTH , ELIZABETH MARTIN , ANNE STIBBS , JUDY PEARSALL , and SARA TULLOCH. "AGK." The Oxford Dictionary of Abbreviations. 1998. Retrieved May 29, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O25-AGK.html

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