3 papers
astro-ph2005
The Circumnuclear Star-forming Activities along the Hubble Sequence
Lei Shi, Qiusheng Gu, Zhixin Peng
In order to study the circumnuclear star-forming activity along the Hubble sequence, we cross-correlate the Sloan Digital Sky Survey Data Release 2 (SDSS DR2) with the Third Refere…
astro-ph2005
IC 225: a dwarf elliptical galaxy with a peculiar blue core
Qiusheng Gu, Yinghe Zhao, Lei Shi +2
We present the discovery of a peculiar blue core in the elliptical galaxy IC 225 by using images and spectrum from the Sloan Digital Sky Survey (SDSS). The outer parts of the surfa…
astro-ph2005
Elliptical Galaxies with Emission Lines from the Sloan Digital Sky Survey
Ying-He Zhao, Qiu-Sheng Gu, Zhi-Xin Peng +3
We present the results of 11 elliptical galaxies with strong nebular emission lines during our study of star formation history along the Hubble sequence. After removing the dilutio…