Search Results for: quasars

33,442 documents

Simulations of the formation, evolution and clustering of galaxies and quasars

Simulations of the formation, evolution and clustering of galaxies and quasars
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Post-Starburst Quasars I: HST Imaging Analysis

ABSTRACT We present images of 29 post-starburst quasars (PSQs) from a Hubble Space Telescope (HST) Advanced Camera for Surveys (ACS) Wide Field Channel Snapshot…
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Identification of Outflows and Candidate Dual Active Galactic Nuclei in SDSS Quasars at z=0.8-1.6

We present a sample of 131 quasars from the Sloan Digital Sky Survey at redshifts 0.8
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Modeling the Production of Flares in Gamma-Ray Quasars

Modeling the Production of Flares in Gamma-Ray Quasars
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New Quasars Detected via Variability in the QUEST1 Survey

New Quasars Detected via Variability in the QUEST1 Survey
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An Empirical Algorithm for Broadband Photometric Redshifts of Quasars from the Sloan Digital Sky Survey

An Empirical Algorithm for Broadband Photometric Redshifts of Quasars from the Sloan Digital Sky Survey
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Chandra and XMM-Newton observations of the first quasars: X-rays from the age of cosmic enlightenment

Chandra and XMM-Newton observations of the first quasars: X-rays from the age of cosmic enlightenment
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Doppler factors, Lorentz factors and viewing angles for quasars, BL Lacertae objects and radio galaxies

We have calculated variability Doppler boosting factors, Lorentz factors, and viewing angles for a large sample of sources by using total flux density observations…
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Erratum: Doppler factors, Lorentz factors, and viewing angles for quasars, BL Lacertae objects and radio galaxies

Erratum: Doppler factors, Lorentz factors, and viewing angles for quasars, BL Lacertae objects and radio galaxies
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