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HD 114658


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관련 글

U, V, W velocity components for the old disk using radial velocities of 1295 stars in the three cardinal Galactic directions
New radial velocities are presented for 1295 stars chosen at random nearthe three cardinal Galactic directions of l = 180 deg, b = 0; l = 90deg, b = 0 deg; and b = 90 deg, giving the distribution in U, V, and W,respectively, from the radial velocities alone. The measurements weremade with the coude spectrograph of the Mount Wilson 100 in. Hookerreflector. The purpose of the program is to set limits on the densitynormalization in the solar neighborhood of the old thin disk, the oldthick disk, and the halo. Many more high-velocity stars are present inthe unbiased sample than expected from previous estimates of thenormalization. The data suggest the density ratios in the solarneighborhood to be about 90 percent, 10 percent, and about 0.5 percentfor the thin disk, thick disk, and halo populations, respectively.

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관측 및 측정 데이터

별자리:사냥개자리
적경:13h11m29.16s
적위:+32°17'37.6"
가시등급:8.955
거리:292.398 파섹
적경상의 고유운동:-19.3
적위상의 고유운동:-25.3
B-T magnitude:10.407
V-T magnitude:9.075

천체목록:
일반명   (Edit)
HD 1989HD 114658
TYCHO-2 2000TYC 2532-1516-1
USNO-A2.0USNO-A2 1200-07032181
HIPHIP 64358

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