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arXiv 0706.0143astro-ph
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喷流星系NGC1097周围的类星体聚集

A concentration of quasars around the jet galaxy NGC1097

H. Arp, D. Carosati

摘要:

1984年,在活跃星系NGC 1097的区域进行的类星体搜索发现了31个类星体。在2004年完成2dF巡天后,距离银河系1度以内的类星体数量增加到142个。约38个$\pm$,其中10个超过平均背景值。1984年的证据在这里得到了证实,因为当一个类星体接近NGC 1097时,其密度会增加。在1度范围内的类星体与背景的不同之处在于它们明显更亮。在r $\sim$ 20'和40'处还出现了两个类星体的椭圆环或弧。

英文摘要:

A quasar search in the region of the active galaxy NGC 1097 yielded 31 quasars in 1984. After completion of the 2dF survey in 2004 the number of catalogued quasars just within 1 degree of the galaxy increased to 142. About 38 $\pm$ 10 of these are in excess of average background values. The evidence in 1984 is confirmed here by an increasing density of quasars as one approaches NGC 1097. Quasars within 1 degree differ from the background by being significantly brighter. There also appear two elliptical rings or arcs of quasars at r $\sim$ 20'and 40'.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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