CASSOWARY 20: a Wide Separation Einstein Cross Identified with the X-shooter Spectrograph (2009)
Pettini, Max, Christensen, Lise, D'Odorico, Sandro, Belokurov, Vasily, Evans, N. Wyn, Hewett, Paul C., ...
We have used spectra obtained with X-shooter, the triple arm optical-infrared spectrograph recently commissioned on the Very Large Telescope (VLT) of the European Southern Observatory (ESO), to...
Dust depletion, chemical uniformity and environment of Ca II H&K quasar absorbers (2009)
Zych, Berkeley J., Murphy, Michael T., Hewett, Paul C., Prochaska, Jason X.
Ca ii λλ3934, 3969 absorbers, which are likely to be a subset of damped Lyman α systems (DLAs), are the most dusty quasar absorbers known with an order of magnitude more extinction in E(B - V)...
Dust depletion, chemical uniformity and environment of Ca II H&K quasar absorbers (2009)
Zych, Berkeley J., Murphy, Michael T., Hewett, Paul C., Prochaska, Jason X.
Ca ii λλ3934, 3969 absorbers, which are likely to be a subset of damped Lyman α systems (DLAs), are the most dusty quasar absorbers known with an order of magnitude more extinction in E(B - V)...
Dust depletion, chemical uniformity and environment of CaII H&K quasar absorbers (2008)
Zych, Berkeley J., Murphy, Michael T., Hewett, Paul C., Prochaska, Jason X.
CaII 3934,3969 absorbers, which are likely to be a subset of damped Lyman alpha systems, are the most dusty quasar absorbers known, with an order of magnitude more extinction in E(B-V) than other...
Finding SDSS BALQSOs Using Non-Negative Matrix Factorisation (2008)
Allen, James T., Hewett, Paul C., Belokurov, Vasily, Wild, Vivienne
Modern spectroscopic databases provide a wealth of information about the physical processes and environments associated with astrophysical populations. Techniques such as blind source separation...
Luminous K-band Selected Quasars from UKIDSS (2008)
Maddox, Natasha, Hewett, Paul C., Warren, S. J., Croom, S. M.
The largest K-band flux-limited sample of luminous quasars to date has been constructed from the UKIDSS Large Area Survey Early Data Release, covering an effective area of 12.8 deg^2. Exploiting the...
Measurements of Ca II absorption, metals and dust in a sample of z≃ 1 DLAs and subDLAs (2008)
Nestor, Daniel B., Pettini, Max, Hewett, Paul C., Rao, Sandhya, Wild, Vivienne
Finding SDSS BALQSOs using non-negative matrix factorisation (2008)
Allen, James T., Hewett, Paul C., Belokurov, Vasily, Wild, Vivienne
Hewett, Paul C., Mensch, Barbara S., Jones, Heidi E., Lippman, Sheri A., Montgomery, Mark R., ...
This paper examines the reporting of sexual and other risk behaviors within a randomized experiment using a computerized versus face-to-face interview mode. Biomarkers for sexually transmitted...
The host galaxies of strong CaII QSO absorption systems at z (2007)
Zych, Berkeley J., Murphy, Michael T., Pettini, Max, Hewett, Paul C., Ryan-Weber, Emma V., Ellison, Sara L.
We present new imaging and spectroscopic observations of the fields of five QSOs with very strong intervening CaII absorption systems at redshifts z
The host galaxies of strong CaII quasar absorption systems at z < 0.5 (2007)
Zych, Berkeley J., Murphy, Michael T., Pettini, Max, Hewett, Paul C., Ryan-Weber, Emma V., Ellison, Sara L.
We present new imaging and spectroscopic observations of the fields of five quasars with very strong intervening Ca II absorption systems at redshifts z(abs) < 0.5 selected from the Sloan Digital Sky...
The host galaxies of strong CaII quasar absorption systems at z < 0.5 (2007)
Zych, Berkeley J., Murphy, Michael T., Pettini, Max, Hewett, Paul C., Ryan-Weber, Emma V., Ellison, Sara L.
We present new imaging and spectroscopic observations of the fields of five quasars with very strong intervening Ca II absorption systems at redshifts z(abs) < 0.5 selected from the Sloan Digital Sky...
The host galaxies of strong CaII quasar absorption systems at z < 0.5 (2007)
Zych, Berkeley J., Murphy, Michael T., Pettini, Max, Hewett, Paul C., Ryan-Weber, Emma V., Ellison, Sara L.
We present new imaging and spectroscopic observations of the fields of five quasars with very strong intervening Ca II absorption systems at redshifts z(abs) < 0.5 selected from the Sloan Digital Sky...
The host galaxies of strong CaII quasar absorption systems at z < 0.5 (2007)
Zych, Berkeley J., Murphy, Michael T., Pettini, Max, Hewett, Paul C., Ryan-Weber, Emma V., Ellison, Sara L.
We present new imaging and spectroscopic observations of the fields of five quasars with very strong intervening Ca II absorption systems at redshifts z(abs) < 0.5 selected from the Sloan Digital Sky...
The host galaxies of strong CaII quasar absorption systems at z < 0.5 (2007)
Zych, Berkeley J., Murphy, Michael T., Pettini, Max, Hewett, Paul C., Ryan-Weber, Emma V., Ellison, Sara L.
We present new imaging and spectroscopic observations of the fields of five quasars with very strong intervening Ca II absorption systems at redshifts z(abs) < 0.5 selected from the Sloan Digital Sky...
Chiu, Kuenley, Richards, Gordon T., Hewett, Paul C., Maddox, Natasha
The UKIRT Infrared Deep Sky Survey (UKIDSS) is the first of a new generation of hemispheric imaging projects to extend the work of the Two Micron All Sky Survey (2MASS) by reaching three magnitudes...
The 2dF-SDSS LRG and QSO Survey: The Star Formation Histories of Luminous Red Galaxies (2006)
Roseboom, Isaac G., Pimbblet, Kevin A., Drinkwater, Michael J., Cannon, Russell D., De Propris, Roberto, Edge, Alastair C., ...
We present a detailed investigation into the recent star formation histories of 5,697 Luminous Red Galaxies (LRGs) based on the Hdelta (4101A) and [OII] (3727A) lines. LRGs are luminous (L>3L*),...
The UKIRT Infrared Deep Sky Survey ZYJHK Photometric System: Passbands and Synthetic Colours (2006)
Hewett, Paul C., Warren, Stephen J., Leggett, Sandy K., Hodgkin, Simon T.
The UKIRT Infrared Deep Sky Survey is a set of five surveys of complementary combinations of area, depth, and Galactic latitude, which began in 2005 May. The surveys use the UKIRT Wide Field Camera...
The 2dF-SDSS LRG and QSO Survey: the star formation histories of luminous red galaxies (2006)
Roseboom, Isaac G., Pimbblet, Kevin A., Drinkwater, Michael J., Cannon, Russell D., De Propris, Roberto, Edge, Alastair C., ...
We present a detailed investigation into the recent star formation histories of 5697 luminous red galaxies (LRGs) based on the Hδa (4101 Å), and [O II] (3727 Å) lines and the D4000...
The 2dF-SDSS LRG and QSO Survey: the star formation histories of luminous red galaxies (2006)
Roseboom, Isaac G., Pimbblet, Kevin A., Drinkwater, Michael J., Cannon, Russell D., De Propris, Roberto, Edge, Alastair C., ...
We present a detailed investigation into the recent star formation histories of 5697 luminous red galaxies (LRGs) based on the Hδa (4101 Å), and [O II] (3727 Å) lines and the D4000...
Simulating Wide-Field Quasar Surveys from the Optical to Near-Infrared (2005)
Maddox, Natasha, Hewett, Paul C.
A number of deep, wide-field, near-infrared surveys employing new infrared cameras on 4m-class telescopes are about to commence. These surveys have the potential to determine the fraction of luminous...
Urban Poverty and Health in Developing Countries: Household and Neighborhood Effects (2005)
Demography - Volume 42, Number 3, August 2005
Evidence for dust reddening in DLAs identified through CaII H&K absorption (2005)
Wild, Vivienne, Hewett, Paul C.
We present a new sample of 31 CaII(H&K) 3935,3970 absorption line systems with 0.84
Wild, Vivienne, Hewett, Paul C.
The Sloan Digital Sky Survey (SDSS) currently provides by far the largest homogeneous sample of intermediate signal-to-noise ratio (S/N) optical spectra of galaxies and quasars. The fully automated...
PLAYER PARTICIPATION GAMING IN LIMITED WAR APPLICATIONS (2005)
This paper defines a feasible approach to developing a facility for gaming limited wars, with particular emp a is on United States Air Force participation in such wars. It discusses some special...
Calibrating photometric redshifts of luminous red galaxies (2005)
Padmanabhan, Nikhil, Budavari, Tamas, Schlegel, David J., Bridges, Terry, Brinkmann, Jonathan, Cannon, Russell, ...
We discuss the construction of a photometric redshift catalogue of luminous red galaxies (LRGs) from the Sloan Digital Sky Survey (SDSS), emphasizing the principal steps necessary for constructing...
Calibrating photometric redshifts of luminous red galaxies (2005)
Padmanabhan, Nikhil, Budavari, Tamas, Schlegel, David J., Bridges, Terry, Brinkmann, Jonathan, Cannon, Russell, ...
We discuss the construction of a photometric redshift catalogue of luminous red galaxies (LRGs) from the Sloan Digital Sky Survey (SDSS), emphasizing the principal steps necessary for constructing...
The lens and source of the optical Einstein ring gravitational lens ER 0047-2808 (2004)
Wayth, Randall B., Warren, Stephen J., Lewis, Geraint F., Hewett, Paul C.
(Abridged) We perform a detailed analysis of the optical gravitational lens ER 0047-2808 imaged with WFPC2 on the Hubble Space Telescope. Using software specifically designed for the analysis of...
Calibrating Photometric Redshifts of Luminous Red Galaxies (2004)
Padmanabhan, Nikhil, Budavari, Tamas, Schlegel, David J., Bridges, Terry, Brinkmann, Jonathan, Cannon, Russell, ...
We discuss the construction of a photometric redshift catalogue of Luminous Red Galaxies (LRGs) from the Sloan Digital Sky Survey (SDSS), emphasizing the principal steps necessary for constructing...
Serendipity and the SDSS: Discovery of the Largest Known Planetary Nebula on the Sky (2003)
Hewett, Paul C, Irwin, Michael J, Skillman, Evan D, Foltz, Craig B, Willis, Jon P, Warren, Stephen J, ...
Investigation of spectra from the Sloan Digital Sky Survey reveals the presence of a region of ionized gas of >2 degrees diameter centered approximately at alpha = 10^h 37^m delta = -00^o 18' (J2000)...
The Reporting of Sensitive Behavior by Adolescents: A Methodological Experiment in Kenya (2003)
Mensch, Barbara S., Hewett, Paul C., Erulkar, Annabel.
Demography - Volume 40, Number 2, May 2003
The Frequency and Radio Properties of Broad Absorption Line Quasars (2003)
Hewett, Paul C., Foltz, Craig B.
A sample of 67 Broad Absorption Line quasars (BALQSOs) from the Large Bright Quasar Survey (LBQS) is used to estimate the observed and intrinsic fraction of BAL quasars in optically--selected samples...
Paul C. Hewett, Annabel S. Erulkar, Barbara S. Mensch, Paul C. Hewett, Annabel S. Erulkar, Barbara S. Mensch
This paper explores the use of an audio computer-assisted self-interviewing (audio-CASI) methodology in a household survey of adolescents in two districts of Kenya. Computer software was developed as...
Spectroscopic detection of quasars in the 2dF Galaxy Redshift Survey (2002)
Madgwick, Darren S., Hewett, Paul C., Mortlock, Daniel J., Lahav, Ofer
The 100,000 spectra from the 2 degree Field Galaxy Redshift Survey (2dFGRS) in the 100k Public Data Release represent the largest single compilation of galaxy spectra available. By virtue of its...
The Large Bright Quasar Survey VII. The LBQS and FIRST Surveys (2001)
Hewett, Paul C., Foltz, Craig B., Chaffee, Frederic H.
The source catalogue for the LBQS and the FIRST Survey are compared in their regions of overlap. In the 270 deg^2 common to both surveys the LBQS contains \~100,000 stellar and ~40,000 non-stellar...
Emission Line Properties of the Large Bright Quasar Survey (2000)
Forster, Karl, Green, Paul J., Aldcroft, Thomas L., Vestergaard, Marianne, Foltz, Craig B., Hewett, Paul C.
We present measurements of the optical/UV emission lines for a large homogeneous sample of 993 quasars from the Large Bright Quasar Survey. Our largely automated technique accounts for continuum...
Limits on the star formation rates of z>2 damped Ly-alpha systems from H-alpha spectroscopy (1999)
Bunker, Andrew J., Warren, Stephen J., Clements, D. L., Williger, Gerard M., Hewett, Paul C.
We present the results of a long-slit K-band spectroscopic search for H-alpha emission from eight damped Ly-alpha absorbers (DLAs) at z>2 with the goal of measuring the star-formation rates in these...
High-Redshift Gravitationally Lensed Galaxies and Tunable Filter Imaging (1999)
Hewett, Paul C., Warren, Stephen J., Willis, Jon P., Bland-Hawthorn, Joss, Lewis, Geraint F.
Most surveys for multiply-imaged gravitational lenses, outside of rich galaxy clusters, are based on sifting through large samples of distant sources to identify the rare examples of lensing. An...
Two Close-Separation Quasar-Quasar Pairs in the Large Bright Quasar Survey (1997)
Hewett, Paul C., Foltz, Craig B., Harding, Margaret E., Lewis, Geraint F.
We present photometric and spectroscopic observations of two close quasar-quasar pairs found in the Large Bright Quasar Survey (LBQS) (Hewett et al. 1995, AJ, 109, 1498). The two components of the...
Schartel, Norbert, Green, Paul J., Anderson, Scott F., Hewett, Paul C., Foltz, Craig B., Margon, Bruce, ...
We develop and apply a novel method of analysis to study the X-ray spectral properties of 908 QSOs in the Large Bright Quasar Survey (LBQS) that were observed during the soft X-ray ROSAT All-Sky...
Hooper, Eric J., Impey, Chris D., Foltz, Craig B., Hewett, Paul C.
A sample of 103 quasars from the Large Bright Quasar Survey (LBQS) has been observed with the VLA at 8.4 GHz to study the evolution of the radio luminosity distribution and its dependence on absolute...
Urban Poverty and Health in Developing Countries: Household and Neighborhood Effects
Mark R. Montgomery, Paul C. Hewett
In the U.S. and other high-income countries, where most of the population lives in urban areas, there is intense scholarly and program interest in the effects of household and neighborhood living...
John Bongaarts, Judith A. Diers, Paul C. Hewett, Geoffrey McNicoll
Books reviewed in this article: Copyright 2003 by The Population Council, Inc..