arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1104.0488astro-ph.CO
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J1145-0033 -最遥远的巨型射电源?

J1145-0033 - the most distant giant radio source?

A. Kuźmicz, E. Kuligowska, M. Jamrozy

摘要:

我们提出了J1145-0033,一个最遥远的(z=2.055)叶主导的巨型射电类星体的候选者,预计线性尺寸为1.34 Mpc。该类星体具有FR II型射电形态和在其光谱中的宽吸收线。给出了基于光学和射电数据的黑洞质量、吸积率、均分磁场、能量密度和周围介质粒子密度等物理特征。我们还发现该类星体的中心黑洞质量相对较大,而吸积率相对较小。

英文摘要:

We present J1145-0033, a candidate for the most distant (z=2.055) lobe-dominated giant radio quasar, with a projected linear size of 1.34 Mpc. This quasar has both FR II -- type radio morphology and broad absorption lines in its optical spectrum. Some physical characteristics (e.g. black hole mass, accretion rate, equipartition magnetic field, energy density and particle density of ambient medium) based on the optical and radio data are provided. We have also found that the quasar has a relatively large central black hole mass and a very small accretion rate in comparison with similar objects.

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