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Rediscovery of the Elements: Sir Humphry Davy and the Alkalis

Description: Article provides information on the history of alkalis, particularly discoveries associated with potassium and sodium. The article also gives information on Humphry Davy, the first person to prepare alkalis in elemental form.
Date: Summer 2015
Creator: Marshall, James L., 1940- & Marshall, Virginia R.

Bad Pyrmont Spa

Description: Photo depicts the Bad Pyrmont Spa in western Germany which is known for its therapeutic baths and vapor cave. The paragraph on the bottom of page 70 gives details about the photo and the spa.
Date: Winter 2015
Creator: Marshall, James L., 1940- & Marshall, Virginia R.

A Comprehensive Analysis of Groundwater Quality in the Barnett Shale Region

Description: This article presents an analysis of 550 groundwater samples collected from private and public supply water wells drawing from aquifers overlying the Barnett shale formation of Texas.
Date: June 16, 2015
Creator: Hildenbrand, Zacariah Louis; Carlton Jr., Doug D.; Fontenot, Brian; Meik, Jesse M.; Walton, Jayme; Taylor, Josh et al.

FAUST observations of ultraviolet sources in the directions of NGC 4038-39 and 6752

Description: This article discusses an analysis of ultraviolet observations with the FAUST shuttle-borne telescope toward the Antennae and NGC 6752 celestial regions resulting in the detection of 46 and 221 candidate sources respectively, for a signal-to-noise ratio of 8.
Date: December 29, 2000
Creator: Daniels, Julian; Brosch, Noah; Almoznino, Elchanan; Shemmer, Ohad; Bowyer, Stuart & Lampton, Michael

Supernova 2002ap: the first month

Description: This article reports the results of the first month of an intensive photometric and spectroscopic monitoring campaign of Supernova 2002ap.
Date: March 27, 2002
Creator: Gal-Yam, Avishay; Ofek, Efran & Shemmer, Ohad

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

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

Description: 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.

On The Performance of Quasar Reverberation Mapping in the Era of Time-Domain Photometric Surveys

Description: This article quantitatively assesses, by means of comprehensive numerical simulations, the ability of broadband photometric surveys to recover the broad emission line region size in quasars under various observing conditions and for a wide range of object properties.
Date: February 2, 2014
Creator: Chelouche, Doron; Shemmer, Ohad; Cotlier, Gabriel I.; Barth, Aaron J. & Rafter, Stephen E.

Star Formation and Black Hole Growth at z ≃4.8

Description: This article reports Herschel/SPIRE, Spitzer and Wide-field Infrared Survey Explorer obervations of 44 z ≃ 4.8 optically selected active galactic nuclei.
Date: May 29, 2014
Creator: Netzer, Hagai; Mor, Rivay; Trakhtenbrot, Benny; Shemmer, Ohad & Lira, Paulina

The Ultraviolet-To-Mid-Infrared Spectral Energy Distribution of Weak Emission Line Quasars

Description: This article presents Spitzer Space Telescope photometry of 18 Sloan Digital Sky Survey quasars which have weak or undetectable high-ionization emission lines in their rest-frame ultraviolet spectra.
Date: September 23, 2011
Creator: Lane, Ryan A.; Shemmer, Ohad; Diamond-Stanic, Aleksandar M.; Fan, Xiaohui; Anderson, Scott F.; Brandt, William Nielsen et al.

PAH Emission and Star Formation in the Host of the z ~ 2.56 Cloverleaf QSO

Description: This article reports the first detection of the 6.2 and 7.7 μm infrared polycyclic aromatic hydrocarbon emission features in the spectrum of a high-redshift QSO, from the Spitzer IRS spectrum of the Cloverleaf lensed QSO.
Date: March 30, 2007
Creator: Lutz, Dieter; Sturm, Eckhard; Tacconi, Linda; Valiante, Elisabetta; Schweitzer, Mario; Netzer, Hagai et al.