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Related papers: Quasar Host Galaxies in the FORS Deep Field

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We present first results from our study of the properties of ~400 low redshift (z < 0.5) quasars, based on a large homogeneous dataset derived from the Stripe 82 area of the Sloan Digital Sky Survey (SDSS) Data Release 7 (DR7). For this sky…

Cosmology and Nongalactic Astrophysics · Physics 2013-02-08 Jari Kotilainen , Renato Falomo , Daniela Bettoni , Kalle Karhunen , Michela Uslenghi

We have undertaken a project to investigate the host galaxies and environments of a sample of quasars at z~4. In this paper, we describe deep near-infrared imaging of 34 targets using the Magellan I and Gemini North telescopes. We discuss…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-20 K. K. McLeod , Jill Bechtold

We present and analyse the deepest, high-quality Ks-band images ever obtained of luminous quasars at z~4, in an attempt to determine the basic properties of their host galaxies less than 1 Gyr after the first recorded appearance of black…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-28 Thomas A. Targett , James S. Dunlop , Ross J. McLure

We present a photometrical and morphological study of the properties of low redshift (z < 0.5) quasars based on a large and homogeneous dataset of objects derived from the Sloan Digital Sky Survey (DR7). This study over number by a factor…

Astrophysics of Galaxies · Physics 2015-06-18 R. Falomo , D. Bettoni , K. Karhunen , J. K. Kotilainen , M. Uslenghi

The properties of high redshift quasar host galaxies are studied, in order to investigate the connection between galaxy evolution, nuclear activity, and the formation of supermassive black holes. We combine new near-infrared observations of…

Astrophysics · Physics 2009-11-13 R. Falomo , A. Treves , J. K. Kotilainen , R. Scarpa , M. Uslenghi

This review attempts to describe developments in the fields of quasar and quasar host galaxies in the past five. In this time period, the Sloan and 2dF quasar surveys have added several tens of thousands of quasars, with Sloan quasars being…

Astrophysics · Physics 2015-06-24 Mark Lacy

We present K band adaptive optics observations of three high-redshift (z ~ 2.2) high-luminosity quasars, all of which were studied for the first time. We also bserved several point spread function (PSF) calibrators, non-simultaneously…

Astrophysics · Physics 2009-11-10 B. Kuhlbrodt , E. Orndahl , L. Wisotzki , K. Jahnke

The properties of quasar-host galaxies might be determined by the growth and feedback of their supermassive (SMBH, $10^{8-10}$ M$_{\odot}$) black holes. We investigate such connection with a suite of cosmological simulations of massive…

Astrophysics of Galaxies · Physics 2021-08-16 Milena Valentini , Simona Gallerani , Andrea Ferrara

We present ALMA observations of two moderate luminosity quasars at redshift 6. These quasars from the Canada-France High-z Quasar Survey (CFHQS) have black hole masses of ~10^8 M_solar. Both quasars are detected in the [CII] line and dust…

Astrophysics of Galaxies · Physics 2015-06-23 Chris J. Willott , Jacqueline Bergeron , Alain Omont

Gravitational lensing assists in the detection of quasar hosts by amplifying and distorting the host light away from the unresolved quasar core images. We present the results of HST observations of 30 quasar hosts at redshifts 1 < z < 4.5.…

Quasars are galaxies hosting accreting supermassive black holes; due to their brightness, they are unique probes of the early universe. To date, only few quasars have been reported at $z > 6.5$ ($<$800 Myr after the Big Bang). In this work,…

We have made a deep NICMOS imaging study of a sample of 5 z ~ 2 - 3 radio-quiet quasars with low absolute nuclear luminosities, and we have detected apparent host galaxies in all of these. Most of the hosts have luminosities approximately…

Astrophysics · Physics 2009-10-31 S. E. Ridgway , T. M. Heckman , D. Calzetti , M. Lehnert

We investigate the formation and properties of galaxies hosting z~6 quasars, in the gigaparsec scale cosmological hydrodynamical simulation: MassiveBlack, which includes a self-consistent model for star formation, black hole accretion and…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 Nishikanta Khandai , Yu Feng , Colin DeGraf , Tiziana Di Matteo , Rupert A. C. Croft

We investigate the star-forming main sequence of the host galaxies of a large, well-defined sample of 453 redshift $\sim$0.3 quasars with previously available star formation rates by deriving stellar masses from modeling their broad-band…

Astrophysics of Galaxies · Physics 2023-08-21 Ming-Yang Zhuang , Luis C. Ho

At low redshift, there are fundamental correlations between the mass of supermassive black holes (MBH) and the mass (Mbulge) and luminosity of the host galaxy bulge. We investigate the same relation at z>=1. Using virial mass estimates for…

Astrophysics · Physics 2009-11-13 Chien Y. Peng , Chris D. Impey , Luis C. Ho , Elizabeth J. Barton , Hans-Walter Rix

We investigate the evolutionary properties of a sample of quasars at 5<z<6.4 using the semi-analytical hierarchical model GAMETE/QSOdust. We find that the observed properties of these quasars are well reproduced by a common formation…

Astrophysics of Galaxies · Physics 2015-06-22 Rosa Valiante , Raffaella Schneider , Stefania Salvadori , Simona Gallerani

We present the analysis of a sample of 20 bright low-redshift quasars (M_B<-23 and z < 0.35) observed spectroscopically with the VLT. The FORS1 spectra, obtained in Multi Object Spectroscopy (MOS) mode, allow to observe simultaneously the…

Astrophysics · Physics 2008-11-26 G. Letawe , P. Magain , F. Courbin , P. Jablonka , K. Jahnke , G. Meylan , L. Wisotzki

We report {\em JWST}/NIRCam measurements of quasar host galaxy emissions and supermassive black hole (SMBH) masses for six quasars at $5.9<z<7.1$ in the \textit{Emission-line galaxies and Intergalactic Gas in the Epoch of Reionization}…

We present the first results from a major Hubble Space Telescope program designed to investigate the cosmological evolution of quasar host galaxies from z~2 to the present day. Here we describe J and H-band NICMOS imaging of two quasar…

Astrophysics · Physics 2016-01-13 M. J. Kukula , J. S. Dunlop , R. J. McLure , L. Miller , W. J. Percival , S. A. Baum , C. P. O'Dea
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