AN EVOLUTIONARY LINK BETWEEN SEYFERT-I AND SEYFERT-II GALAXIES

被引:127
作者
PENSTON, MV [1 ]
PEREZ, E [1 ]
机构
[1] UNIV SUSSEX,CTR ASTRON,BRIGHTON BN1 9QH,E SUSSEX,ENGLAND
关键词
Selenium compounds;
D O I
10.1093/mnras/211.1.33P
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
First spectra from the newly sited INT show NGC4151 and 3C 390.3 to have taken on a classification very close to Seyfert II. We propose that Seyfert II galaxies are Seyfert Is in which the continuum source is temporarily off. © Royal Astronomical Society.
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页码:P33 / P39
页数:7
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