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HD 176554


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Stroemgren photometry of F- and G-type stars brighter than V = 9.6. I. UVBY photometry
Within the framework of a large photometric observing program, designedto investigate the Galaxy's structure and evolution, Hβ photometryis being made for about 9000 stars. As a by-product, supplementary uvbyphotometry has been made. The results are presented in a cataloguecontaining 6924 uvby observations of 6190 stars, all south ofδ=+38deg. The overall internal rms errors of one observation(transformed to the standard system) of a program star in the interval6.5

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.

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观测天体数据

星座:南冕座
右阿森松:19h02m34.58s
赤纬:-38°00'08.2"
视星:9.076
右阿森松适当运动:-3.2
赤纬适当运动:-111.8
B-T magnitude:9.964
V-T magnitude:9.15

目录:
适当名称   (Edit)
HD 1989HD 176554
TYCHO-2 2000TYC 7917-92-1
USNO-A2.0USNO-A2 0450-36611716
HIPHIP 93503

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