supported by the National Natural Science Foundation of China (Grant Nos. 10673008,10878001 and 10973010);the Ministry of Science and Technology of China (Grant No. 2009CB824900/2009CB24904);the Ministry of Education of China (the NCET Program)
By creating and analyzing two dimensional gas temperature and abundance maps of the RGH 80 compact galaxy group with high-quality Chandra data,we detect a high-abundance ( 0.7 Z⊙) arc,where the metal abundance is s...