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HD 58018


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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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观测天体数据

星座:船尾座
右阿森松:07h21m23.04s
赤纬:-48°31'58.4"
视星:7.744
距离:111.483 天文距离
右阿森松适当运动:-7.1
赤纬适当运动:26.5
B-T magnitude:7.735
V-T magnitude:7.744

目录:
适当名称   (Edit)
HD 1989HD 58018
TYCHO-2 2000TYC 8124-2534-1
USNO-A2.0USNO-A2 0375-03355140
HIPHIP 35652

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