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A Population of X-Ray Weak Quasars: PHL 1811 Analogs at High Redshift (open access)

A Population of X-Ray Weak Quasars: PHL 1811 Analogs at High Redshift

This article reports the results from Chandra and XMM-Newton observations of a sample of 10 type 1 quasars selected to have unusual UV emission-line properties similar to those of PHL 1811.
Date: April 15, 2011
Creator: Wu, Jianfeng; Brandt, William Nielsen; Hall, Patrick B.; Gibson, Robert R.; Richards, Gordon T.; Schneider, Donald P. et al.
Object Type: Article
System: The UNT Digital Library

A Study of the Accuracy and Precision Among XRF, ICP-MS, and PIXE on Trace Element Analyses of Small Water Samples

Poster for the 2011 University Scholars Day at the University of North Texas discussing a study of the accuracy and precision among XRF, ICP-MS, and PIXE on trace element analyses of small water samples.
Date: April 14, 2011
Creator: Patnaik, Ritish; Naik, Sahil N.; Hart, Aaron S.; Kummari, Venkata C.; Phinney, Lucas; Dhoubhadel, Mangal et al.
Object Type: Poster
System: The UNT Digital Library