Optical SBF of distant shell galaxies

被引:0
|
作者
Biscardi, I [1 ]
Raimondo, G. [1 ]
Cantiello, M. [1 ]
Brocato, E. [1 ]
机构
[1] INAF, Osservatorio Astron Teramo, I-64100 Teramo, Italy
关键词
Elliptical galaxies; Distance of galaxies; SURFACE BRIGHTNESS FLUCTUATIONS; STELLAR POPULATIONS; ELLIPTIC GALAXIES; ADVANCED CAMERA;
D O I
暂无
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present the first distance measurements of four distant elliptical shell galaxies obtained with the Surface Brightness Fluctuation (SBF) method, using HST images from Advanced Camera for Survey (ACS). In order to derive the distance of these galaxies, we provide new theoretical SBF magnitudes in the ACS filters using single-burst stellar population models in the 1.5-14 Gyr age interval and the 0.008-0.04 metallicity range. As result, we measure optical SBF at distances larger than 100 Mpc, providing the largest optical SBF-based distances.
引用
收藏
页码:233 / 234
页数:2
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