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HD 98987


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관련 글

Meridian observations made with the Carlsberg Automatic Meridian Circle at Brorfelde (Copenhagen University Observatory) 1981-1982
The 7-inch transit circle instrument with which the present position andmagnitude catalog for 1577 stars with visual magnitudes greater than11.0 was obtained had been equipped with a photoelectric moving slitmicrometer and a minicomputer to control the entire observationalprocess. Positions are reduced relative to the FK4 system for each nightover the whole meridian rather than the usual narrow zones. Thepositions of the FK4 stars used in the least squares solution are alsogiven in the catalog.

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관측 및 측정 데이터

별자리:큰곰자리
적경:11h24m28.76s
적위:+68°07'15.2"
가시등급:8.988
거리:105.597 파섹
적경상의 고유운동:-113.2
적위상의 고유운동:-5.1
B-T magnitude:9.575
V-T magnitude:9.037

천체목록:
일반명   (Edit)
HD 1989HD 98987
TYCHO-2 2000TYC 4392-1233-1
USNO-A2.0USNO-A2 1575-03162642
HIPHIP 55676

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