The fundamental plane relation of early-type galaxies： environmental dependence

• 作 者: Lei Hou Yu Wang
• 机 构: DepartmentofAstronomy
• 出 处: 天文和天体物理学研究：英文版
• 发表日期: 2015年5期
• 关键词: 依赖性 星系 环境 SDSS 天空背景 质量 卫星 光环 galaxies elliptical and lenticular -- galaxies halo
• 基金项目: Acknowledgements We are grateful to Xiaohu Yang for providing the SDSS group catalog. WY would like to acknowledge the support of the Fundamental Research Funds for Central Universities. Funding for t

Using a sample of 70 793 early-type galaxies from SDSS DR7, we study the environmental dependence of the fundamental plane relation. With the help of the galaxy group catalog based on SDSS DR7, we calculate the fundamental planes in different dark matter