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http://www.adass.org/adass/proceedings/adass98/guillaumedr/.
http://www.adass.org/adass/proceedings/adass98/guillaumedr/.
1. Refining the Guide Star Catalog: Plate Evaluations
Next: ZGSC (Compressed GSC) and XSKYMAP . ... This is a preliminary report on an investigation of the quality and properties of plates digitized during creation of the Guide Star Catalog (GSC). The results will be vital for reclassifying GSC objects. ... Many objects are measured on more than one plate, and thus have multiple catalog entries. ... Among the shortcomings of the GSC are: biased magnitudes and incorrect classifications for certain objects, presence of artifact objects. ...
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Ссылки http://www.adass.org/adass/proceedings/adass96/smirnovo1.html -- 10.1 Кб -- 23.06.1998
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