2星表中孤立星系的光学和HI性质。I.一般关系
Optical and HI properties of isolated galaxies in the 2MIG catalog. I. General relationships
摘要:
我们分析的光学,近红外,HI特性的孤立星系从2012年的目录覆盖整个天空之间的经验关系。形态类型,K_S-和B-幅度,线性直径,HI质量和旋转速度的数据进行了检查。计算这些特征对的回归参数、离差和相关系数。由此产生的关系可以用来测试通过大量的冷暗物质合并形成星系形成的等级理论。
英文摘要:
We analyze empirical relationships between the optical, near infrared, and HI characteristics of isolated galaxies from the 2MIG Catalog covering the entire sky. Data on morphological types, K_S-, and B-magnitudes, linear diameters, HI masses, and rotational velocities are examined. The regression parameters, dispersions, and correlation coefficients are calculated for pairs of these characteristics. The resulting relationships can be used to test the hierarchical theory of galaxy formation through numerous mergers of cold dark matter.
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