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HD 174120


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관련 글

Walraven photometry of nearby southern OB associations
Homogeneous Walraven (VBLUW) photometry is presented for 5260 stars inthe regions of five nearby southern OB associations: Scorpio Centaurus(Sco OB2), Orion OB1, Canis Major OB1, Monoceros OB1, and Scutum OB2.Derived V and (B - V) in the Johnson system are included.

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:18h50m30.40s
적위:-36°48'53.7"
가시등급:7.712
거리:4166.667 파섹
적경상의 고유운동:-0.7
적위상의 고유운동:2.2
B-T magnitude:8.716
V-T magnitude:7.795

천체목록:
일반명   (Edit)
HD 1989HD 174120
TYCHO-2 2000TYC 7420-1631-1
USNO-A2.0USNO-A2 0525-38595770
HIPHIP 92454

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