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19992008
most citedThe Sloan Digital Sky Survey Quasar Catalog IV. Fifth Data Release

479 citations · 1.3k across the 6 of their papers we have counts for

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astro-ph2003

The Ionized Gas and Nuclear Environment in NGC 3783. IV. Variability and Modeling of the 900 ks CHANDRA Spectrum

H. Netzer, S. Kaspi, E. Behar +12

We present a detailed spectral analysis of the data obtained from NGC 3783 during the period 2000-2001 using Chandra. This analysis leads us to the following results. 1) NGC 3783 f…

astro-ph2003

The Sloan Digital Sky Survey Quasar Catalog II. First Data Release

Donald P. Schneider, Xiaohui Fan, Patrick B. Hall +13

We present the second edition of the Sloan Digital Sky Survey (SDSS) Quasar Catalog. The catalog consists of 16713 objects in the SDSS First Data Release (DR1) that have luminositi…

astro-ph2003

XMM-NEWTON Reveals the Quasar Outflow in PG 1115+080

G. Chartas, W. N. Brandt, S. C. Gallagher

We report on an observation of the Broad Absorption Line (BAL) quasar PG 1115+080 performed with the XMM-Newton observatory. Spectral analysis reveals the second case of a relativi…

astro-ph2003

The XMM-Newton View of the Nucleus of NGC 4261

R. M. Sambruna, M. Gliozzi, M. Eracleous +2

We present the first results from an XMM-Newton observation of the FRI galaxy NGC 4261, which harbors a supermassive black hole and a low-ionization nuclear emission-line region (L…

astro-ph2003

A Survey of z>5.7 Quasars in the Sloan Digital Sky Survey II: Discovery of Three Additional Quasars at z>6

Xiaohui Fan, Michael A. Strauss, Donald P. Schneider +14

We present the discovery of three new quasars at z>6 in 1300 deg^2 of SDSS imaging data, J114816.64+525150.3 (z=6.43), J104845.05+463718.3 (z=6.23) and J163033.90+401209.6 (z=6.05)…