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TYC 3881-515-1


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Double Star Measurements Made at Nice
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1993A&AS..102..643M&db_key=AST

Photographic measures of double stars. II
Measures are presented for 302 double stars photographed on 657 plateswith the 36-in. Lick refractor in the period between 1945 and 1962. Thedata provided include the observing epochs, the rectangular coordinatesof the secondary components with reference to the respective primaries,the mean errors of a single measurement, the computed mean errors, thedouble-star separations, and the position angles both for the observingepoch and reduced to the equator of 2000. An additional 561 unmeasuredplates of acceptable quality obtained between 1948 and 1960 are listed.

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Ejderha
Sað Açýklýk:16h28m32.06s
Yükselim:+56°44'07.9"
Görünürdeki Parlaklýk:10.143
özdevim Sað Açýklýk:13
özdevim Yükselim:8.9
B-T magnitude:10.729
V-T magnitude:10.192

Kataloglar ve belirtme:
Özgün isimleri   (Edit)
TYCHO-2 2000TYC 3881-515-1
USNO-A2.0USNO-A2 1425-08531808
HIPHIP 80690

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