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HD 230142


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관련 글

Observations of Double Stars. XVIII.
Micrometer observations of 1350 pairs in 1995-1997 are listed.

Observations of double stars and new pairs. XIV
Results of a continuing survey of visual double stars are presented,including 4880 measurements made from February 1987 to November 1989.The positions in WDS format and Durchmusterung numbers are given for 194pairs first reported here. Micrometer measurements of 1142 doubles madewith the Swarthmore 61 cm refractor are presented. Magnitudes areestimated for some of the objects. Plate measurements, plateorientations, position angles, number of nights, and measured exposuresare given. Visual observations of 342 pairs obtained in May 1989 atCerro Tololo, mostly with the 1.0 m reflector, are reported.

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관측 및 측정 데이터

별자리:독수리자리
적경:18h56m27.80s
적위:+10°20'11.3"
가시등급:10.382
적경상의 고유운동:-0.4
적위상의 고유운동:-8.2
B-T magnitude:11.135
V-T magnitude:10.445

천체목록:
일반명   (Edit)
HD 1989HD 230142
TYCHO-2 2000TYC 1043-2032-1
USNO-A2.0USNO-A2 0975-13652066

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