This letter shows that one X ray source close to classical Seyfert galaxy NGC1068 is identified as a quasar with redshift z=0.63. The very high surface density of quasars around NGC1068 suggests that these quasars may...This letter shows that one X ray source close to classical Seyfert galaxy NGC1068 is identified as a quasar with redshift z=0.63. The very high surface density of quasars around NGC1068 suggests that these quasars may be physically associated with the active galaxy NGC1068.展开更多
文摘This letter shows that one X ray source close to classical Seyfert galaxy NGC1068 is identified as a quasar with redshift z=0.63. The very high surface density of quasars around NGC1068 suggests that these quasars may be physically associated with the active galaxy NGC1068.