supported by the Doctoral Fund of the Ministry of Education of China (20100091110009);the National Natural Science Foundation of China (Grant Nos. 10878010, 10221001 and 10633040);the National Basic Research Program (973 Program, No. 2007CB815405)
Early-type galaxies (ETGs) are very important for understanding the formation and evolution of galaxies. Recent observations suggest that ETGs are not simply old stellar spheroids as we previously thought. Widesprea...
provided by the Program for New Century Excellent Talents in University (NCET);the National Natural Science Foundation of China (Grant Nos. 10878010, 10221001 and 10633040);the National Basic Research Program of China (GrantNo. 2007CB815405)
Warm absorption is a common phenomenon in Seyfert 1 s and quasars, but is rare in Seyfert 2s. We report the detection of warm absorbers with high energy resolution in the Seyfert 2 galaxy IRAS 18325-5926 for the first...