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HD 164619


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관련 글

Estimation of spectral classifications for bright southern stars with interesting Stromgren indices
This paper investigates the degree of success with which uvby photometrycan be applied to predict spectral classifications for 947 A, F, and Gstars brighter than an apparent magnitude of 8.3 and with four-colorindices indicating some kind of interesting, unusual, or peculiarspectrum. One or several possible spectral classifications are estimatedfor each star from photometry alone, double stars are distinguished, andthe estimates are compared with published classifications. The resultsshow that the framework provided by uvby photometry can be extended toinclude most G and K stars, reddened stars, peculiar stars, and certaintypes of double star.

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관측 및 측정 데이터

별자리:궁수자리
적경:18h02m42.30s
적위:-17°31'20.6"
가시등급:7.967
거리:299.401 파섹
적경상의 고유운동:1.1
적위상의 고유운동:1.7
B-T magnitude:8.708
V-T magnitude:8.029

천체목록:
일반명   (Edit)
HD 1989HD 164619
TYCHO-2 2000TYC 6255-1188-1
USNO-A2.0USNO-A2 0675-23922683
HIPHIP 88368

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