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Reddening, Emission-Line, and Intrinsic Absorption Properties in the Narrow-Line Seyfert 1 Galaxy Arakelian 564

Description: This article uses Hubble Space Telescope UV and optical spectra of the narrow-line Seyfert 1 galaxy Ark 564 to investigate its internal reddening and properties of its emission-line and intrinsic UV absorption gas.
Date: October 12, 2001
Creator: Crenshaw, D.M.; Kraemer, S.B.; Turner, T.J.; Collier, S.; Peterson, Bradley M.; Brandt, William Nielsen et al.

The Myth of the Besieged Fortress: Soviet Mass Perception in the 1920s - 1930s

Description: This work discusses Soviet mass perception from the 1920s to the 1930s. This work was supported by the Research Support Scheme of the Open Society Support Foundation, grant No. 805/1998, and by the Centre for Russian and East European Studies, University of Toronto, Canada. The work has also greatly benefitted from the discussion at the workshops held by the Stalin-Era Research and Archives Project at CREES, University of Toronto.
Date: 2002
Creator: Velikanova, Olga V.

Erratum: "Is there a metallicity-luminosity relationship in active galactic nuclei? The case of narrow-line Seyfert 1 galaxies"

Description: This erratum corrects a computational error affecting the calculation of the intrinsic luminosities of several objects in the article "Is there a metallicity-luminosity relationship in active galactic nuclei? The case of narrow-line Seyfert 1 galaxies." This does not affect any of the main results of the article.
Date: April 10, 2002
Creator: Shemmer, Ohad & Netzer, Hagai