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Erratum: "Is there a metallicity-luminosity relationship in active galactic nuclei? The case of narrow-line Seyfert 1 galaxies"
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
Object Type:
Article
System:
The UNT Digital Library
Dust Covering Factor, Silicate Emission, and Star Formation in Luminous QSOs
This article presents Spitzer IRS low resolution, mid-IR spectra of a sample of 25 high luminosity QSOs at 2 < z < 3.5.
Date:
April 12, 2007
Creator:
Maiolino, Roberto; Shemmer, Ohad; Imanishi, Masatoshi; Netzer, Hagai; Oliva, Ernesto; Lutz, Dieter et al.
Object Type:
Article
System:
The UNT Digital Library
The Hard X-Ray Spectrum as a Probe for Black Hole Growth in Radio-Quiet Active Galactic Nuclei
This article studies the hard X-ray spectral properties of 10 highly luminous radio-quiet active galactic nuclei at z = 1.3-3.2, including new XMM-Newton observations of four of these sources.
Date:
April 3, 2008
Creator:
Shemmer, Ohad; Brandt, William Nielsen; Netzer, Hagai; Maiolino, Roberto & Kaspi, Shai
Object Type:
Article
System:
The UNT Digital Library
The Chandra Deep Field-South Survey: 2 Ms Source Catalogs
This article presents point-source catalogs for the ≈2 Ms exposure of the Chandra Deep Field-South.
Date:
April 21, 2008
Creator:
Luo, Bin; Bauer, Franz E.; Brandt, William Nielsen; Alexander, David M.; Lehmer, Bret; Schneider, Donald P. et al.
Object Type:
Article
System:
The UNT Digital Library
High-Redshift SDSS Quasars With Weak Emission Lines
This article identifies a sample of 74 high-redshift quasars with weak emission lines from the Fifth Data Release of the Sloan Digital Sky Survey and present infrared, optical, and radio observations of a subsample of four objects at z > 4.
Date:
April 16, 2009
Creator:
Diamond-Stanic, Aleksandar M.; Fan, Xiaohui; Brandt, William Nielsen; Shemmer, Ohad; Strauss, Michael A.; Anderson, Scott F. et al.
Object Type:
Article
System:
The UNT Digital Library
Edmonds et al. Reply
This article is a response to an article by M. Adell et al. [Phy. Rev. Lett. 94, 139701 (2005)] about semiconductor-based spintronics research.
Date:
April 8, 2005
Creator:
Edmonds, Kevin; Boguslawski, Piotr; Wang, K. Y.; Campion, Richard Paul; Novikov, Sergei; Farley, N. R. S. et al.
Object Type:
Article
System:
The UNT Digital Library
Common Threads in Research Across Disciplines: A Reflection
Keynote address for the 2004 University Scholars Day delivered by Dr. Samuel Matteson. This keynote speaker discusses common threads of thought and practice that run through what is called "research."
Date:
April 15, 2004
Creator:
Matteson, Samuel E.
Object Type:
Text
System:
The UNT Digital Library
The Look of Sound: Acoustic Cancellation in Architecture
This paper discusses research on acoustic cancellation in architecture.
Date:
April 3, 2008
Creator:
McCord, Cameron & Matteson, Samuel E.
Object Type:
Paper
System:
The UNT Digital Library
The Look of Sound: Acoustic Cancellation in Architecture
Presentation for the 2008 University Scholars Day at the University of North Texas discussing research on the look of sound and acoustic cancellation in architecture.
Date:
April 3, 2008
Creator:
McCord, Cameron & Matteson, Samuel E.
Object Type:
Presentation
System:
The UNT Digital Library
Methods of Exoplanet Detection for Amateurs: A Work in Progress
Poster presentation for the 2009 University Scholars Day at the University of North Texas discussing methods of exoplanet detection for amateurs.
Date:
April 2, 2009
Creator:
Ennis-Fleming, Jasmin & Eve, Susan Brown
Object Type:
Poster
System:
The UNT Digital Library
Bose-Einstein Condensates and their Possible Applications in Quantum Computing and Optical Processing
Poster presentation for the 2008 University Scholars Day at the University of North Texas. This poster discusses research on Bose-Einstein condensates (BECs) and their possible applications in quantum computing and optical processing.
Date:
April 3, 2008
Creator:
Hodgson, Shane & Eve, Susan Brown
Object Type:
Poster
System:
The UNT Digital Library
Scanning Tunneling Microscopy Studies of Temperature-Dependent Etching of Diamond (100) by Atomic Hydrogen
In this article, the authors present a technique for obtaining atomic resolution ultrahigh vacuum scanning tunneling microscopy images of diamond (100) films by atomic hydrogen.
Date:
April 9, 2001
Creator:
Stallcup, Richard E. & Pérez, José M.
Object Type:
Article
System:
The UNT Digital Library
Memory Beyond Memory in Heart Beating, a Sign of a Healthy Physiological Condition
In this article, the authors describe two types of memory and illustrate each using artificial and actual heartbeat data sets.
Date:
April 11, 2002
Creator:
Allegrini, Paolo; Grigolini, Paolo; Hamilton, P.; Palatella, Luigi & Raffaelli, G.
Object Type:
Article
System:
The UNT Digital Library
Renewal, Modulation, and Superstatistics in Times Series
Article discussing two different approaches, referred to as renewal and modulation, to generate time series with a nonexponential distribution of waiting times.
Date:
April 27, 2006
Creator:
Allegrini, Paolo; Barbi, Francesco; Grigolini, Paolo & Paradisi, Paolo
Object Type:
Article
System:
The UNT Digital Library