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Patrick B. Hall

Researcher at York University

Publications -  483
Citations -  72758

Patrick B. Hall is an academic researcher from York University. The author has contributed to research in topics: Quasar & Redshift. The author has an hindex of 111, co-authored 470 publications receiving 68383 citations. Previous affiliations of Patrick B. Hall include University of Toronto & Keele University.

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Journal ArticleDOI

The Seventh Data Release of the Sloan Digital Sky Survey

Kevork N. Abazajian, +223 more
TL;DR: A series of improvements to the spectroscopic reductions are described, including better flat fielding and improved wavelength calibration at the blue end, better processing of objects with extremely strong narrow emission lines, and an improved determination of stellar metallicities.
Journal ArticleDOI

The Host Galaxies of AGN

TL;DR: In this paper, the authors examined the properties of the host galaxies of 22,623 narrow-line AGN with 0.02
Journal ArticleDOI

Sloan digital sky survey: Early data release

Chris Stoughton, +212 more
TL;DR: The Sloan Digital Sky Survey (SDSS) is an imaging and spectroscopic survey that will eventually cover approximately one-quarter of the celestial sphere and collect spectra of ≈106 galaxies, 100,000 quasars, 30,000 stars, and 30, 000 serendipity targets as discussed by the authors.
Proceedings ArticleDOI

Sloan Digital Sky Survey: Early data release

Christopher Stoughton, +191 more