论文标题
在40％苜蓿目录中的边缘hi-rich低表面亮度星系候选人的样本
A Sample of Edge-on HI-rich low-surface-brightness Galaxy Candidates in the 40% ALFALFA Catalog
论文作者
论文摘要
低表面亮度星系（LSBG）被定义为比黑夜空淡淡的星系，对于研究我们的宇宙很重要。特别是，边缘星系可用于研究星系的旋转速度和动力学特性。因此，在这里，我们专注于搜索Edge-On LSBGS。为了找到这些边缘的Dim星系，校正了由倾斜度引起的一系列效果，包括表面亮度曲线，内部灭绝和尺度长度。在这项工作中，我们提供了一个由281个边缘LSBG候选者组成的目录，这些目录是从SDSS DR7和40％苜蓿目录之间的交叉匹配中选择的。我们还介绍了这些边缘LSBG候选物的特性，包括绝对大小，中央表面亮度，B-V颜色，比例长度和相对厚度。我们的结果表明，校正倾斜效应对于获得完整的LSBG样本非常重要。
Low-surface-brightness galaxies(LSBGs) are defined as galaxies that are fainter than dark night sky and are important for studying our universe. Particularly, edge-on galaxies are useful for the study of rotational velocity and dynamical properties of galaxies. Hence here we focus on searching for edge-on LSBGs. In order to find these edge-on dim galaxies, a series of effects caused by inclination, including the surface brightness profile, internal extinction, and scale length, have been corrected. In this work, we present a catalog of 281 edge-on LSBG candidates, which are selected from the cross-match between SDSS DR7 and the 40% ALFALFA catalog. We also present the properties of these edge-on LSBG candidates including absolute magnitude, central surface brightness, B-V color, scale length, and relative thickness. Our result suggests that the correction of inclination effects is very important for obtaining a complete sample of LSBGs.
