085258
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资源简介：
A 2001 XMM spectrum of radio-loud AGN 3C 223 revealed that the line-of-sight column density is significantly different from the average global column density. Two qualities make 3C 223 remarkabledoublePoint the implied obscuration geometry is a Compton-thick openPar>1.7 x 10elev24 cmelev-2closePar ring of gas embedded in a global Compon-thin openPar1.4 x 10elev23 cmelev-2closePar medium comma and it is one of the very few radio loud Compton-thick AGN candidates known.
创建时间：
2023-04-21
