We present a study of the star 2MASS J22472238+5801214 with the aim of identifying its true nature which has hitherto be......

We have performed a statistical study of the properties of the broadband continuum of Narrow Line Seyfert 1 galaxies (NL......

盘星系的内禀扁度对计算星系的空间倾角非常重要.对从LEDA数据库中选取的14988个盘星系进行内禀扁度的统计分析.研究表明,盘星系的......

The sizes of the Broad Line Region (BLR) of some Seyfert 1 galax-ies and nearby quasars can be determined by the reverbe......