COMPARISON OF ROTATION CURVES OF DIFFERENT GALAXY TYPES

COMPARISON OF ROTATION CURVES OF DIFFERENT GALAXY TYPES
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DOI:
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发表时间:
1973-08
影响因子:
6.5
通讯作者:
Roberts;A. Rots
Roberts;A. Rots
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Roberts;A. Rots

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旋转曲线延伸到大的径向距离,现在可用于3个旋涡星系,每个不同的类型。旋转曲线形状的差异表明质量分布与结构类型有关,并且与这些星系的光度分布具有相同的意义。在大半径的旋转曲线的形状表明在这些大的距离有大量的物质,并暗示螺旋星系比光度测量发现的要大。(auth)
Rotation curves extending to large radial distances are now available for 3 spiral galaxies, each of a different type. Differences in shape of the rotation curves indicate a mass distribution that is related to structural type and is in the same sense as the luminosity distribution for these galaxies. The shapes of the rotation curves at large radii indicate a significant amount of matter at these large distances and imply that spiral galaxies are larger than found from photometric measurements. (auth)