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HD 147441


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관련 글

Proper identification of RR Lyrae stars brighter than 12.5 mag
RR Lyrae stars are of great importance for investigations of Galacticstructure. However, a complete compendium of all RR-Lyraes in the solarneighbourhood with accurate classifications and coordinates does notexist to this day. Here we present a catalogue of 561 local RR-Lyraestars (V_max ≤ 12.5 mag) according to the magnitudes given in theCombined General Catalogue of Variable Stars (GCVS) and 16 fainter ones.The Tycho2 catalogue contains ≃100 RR Lyr stars. However, manyobjects have inaccurate coordinates in the GCVS, the primary source ofvariable star information, so that a reliable cross-identification isdifficult. We identified RR Lyrae from both catalogues based on anintensive literature search. In dubious cases we carried out photometryof fields to identify the variable. Mennessier & Colome (2002,A&A, 390, 173) have published a paper with Tyc2-GCVSidentifications, but we found that many of their identifications arewrong.

The 74th Special Name-list of Variable Stars
We present the Name-list introducing GCVS names for 3153 variable starsdiscovered by the Hipparcos mission.

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관측 및 측정 데이터

별자리:헤르쿨레스자리
적경:16h20m04.08s
적위:+45°13'00.0"
가시등급:9.152
적경상의 고유운동:-6
적위상의 고유운동:13.3
B-T magnitude:9.595
V-T magnitude:9.189

천체목록:
일반명   (Edit)
HD 1989HD 147441
TYCHO-2 2000TYC 3492-1292-1
USNO-A2.0USNO-A2 1350-08851642
HIPHIP 80020

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