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QSOS

The Qualification and Selection of Open Source software (QSOS) is a methodology for assessing Free/Libre Open Source Software. This methodology is… 
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Papers overview

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Highly Cited
2013
Highly Cited
2013
We used the 1.4 GHz NVSS to study radio sources in two color-selected QSO samples: a volumelimited sample of 1313 QSOs defined by… 
Review
2011
Review
2011
Narrowband observations have detected no Ly emission within a 70 pMpc 3 volume centered on the z = 2:168 quasar PKS 0424-131… 
Highly Cited
2010
Highly Cited
2010
The objective of this study was to investigate the quality and usability of three Free/Libre Open Source Software assessment… 
Review
2009
Review
2009
We present an imaging and spectroscopic survey of galaxies in fields around QSOs HE 0226−4110, PKS 0405−123, and PG 1216+069. The… 
Review
2007
Review
2007
We present a detailed and self-consistent modeling of the cosmic X-ray background (XRB) based on the most up-to-date X-ray… 
Review
2006
Review
2006
We report the results from a deep Hubble Space Telescope (HST) NICMOS H-band imaging survey of 28 z < 0.3 QSOs from the Palomar… 
Review
2005
Review
2005
Abstract We investigate the relationship between black hole mass, M BH , and host galaxy velocity dispersion, σ ∗ , for QSOs in… 
Review
2002
Review
2002
We study the observational constraints on the growth of massive black holes (BHs) in galactic nuclei. We use the velocity… 
Highly Cited
1994
Highly Cited
1994
We analyze the ultraviolet (UV) emission line and continuum properties of five low-redshift active galactic nuclei (four luminous… 
1983
1983
The morphologies of the extended emission-line regions around the QSOs 3CR249.1 and Ton202 indicate that they have, in both cases…