Testing the distance-duality relation with data from galaxy clusters and type Ia supernovae

• 作 者: Xiang-Yun Fu Pu-Xun Wu Hong-We
• 机 构: InstituteofPhysics,CenterforNonlinearScienceandDepartmentofPhysics,DepartmentofPhysicsandKeyLaborato
• 出 处: 天文和天体物理学研究：英文版
• 发表日期: 2011年8期
• 关键词: IA型超新星 测试距离 星系团 对偶关系 椭圆模型 CLS 置信水平 角直径 galaxies： distances and redshifts -- gala
• 基金项目: Supported by the National Natural Science Foundation of China.Acknowledgements This work was supported in the part by the National Natural Science Foundation of China （Grants Nos. 10935013 and 1107508

We test the distance-duality(DD) relation by combining the angular diameter distance DA provided by two galaxy cluster samples compiled by De Filippis et al.(the elliptical β model) and Bonamente et al.(the spherical β model),and the luminosity distance D