The host galaxies of low luminosity quasars at high redshift

J.K. Kotilainen; R. Falomo; A. Treves; M. Uslenghi

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The host galaxies of low luminosity quasars at high redshift

机译：低亮度类星体在高红移时的宿主星系

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We present VLT/ISAAC near-infrared imaging of the host galaxies of 15 low luminosity quasars at 1 < z < 2. This work complements our studies to trace the cosmological evolution of the host galaxies of high luminosity quasars. The radio-loud (RLQ) and radio-quiet (RQQ) quasars have similar distribution of redshift and luminosity, and together the high and low luminosity quasars cover a large range of the quasar luminosity function. Both RLQ and RQQ hosts resemble massive inactive ellipticals undergoing passive evolution. However, RLQ hosts are systematically more luminous than RQQ hosts, as also found for the high luminosity quasars. The difference in the host luminosity remains the same from z = 2 to 0. For the entire set of quasars, we find a correlation between the nuclear and the host luminosities, albeit with a large scatter. The correlation is less apparent for the RQQs than for the RLQs.

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《New astronomy reviews》 |2006年第10期|p.772-775|共4页
作者
J.K. Kotilainen; R. Falomo; A. Treves; M. Uslenghi;
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作者单位

Tuorla Observatory, University of Turku, Vaeisaelaentie 20, FI-21500 Piikkioe, Finland;

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原文格式 PDF
正文语种 eng
中图分类天文学;
关键词
galaxies: active; galaxies: evolution; infrared: galaxies; quasars: general;

机译：星系：活跃;星系：进化;红外：星系;类星体：一般;

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5. Markov Chain Monte Carlo Modeling of High-Redshift Quasar Host Galaxies in Hubble Space Telescope Imaging. [D] . Mechtley, Matt R. 2014

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6. The x-ray luminosity-redshift relationship of quasars [O] . I. E. Segal, W. Segal 1980

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7. The host galaxies of low luminosity quasars at high redshift [O] . Kotilainen, J K, Falomo, R, Treves, A, 2005

机译：低亮度类星体在高红移时的宿主星系

The host galaxies of low luminosity quasars at high redshift

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