A downturn in intergalactic CIV as redshift 6 is approached (2009)
Ryan-Weber, Emma V., Pettini, Max, Madau, Piero, Zych, Berkeley J.
We present the results of the largest survey to date for intergalactic metals at redshifts z > 5, using near-IR spectra of nine QSOs with emission redshifts z(em) > 5.7. We find, for the first time,...
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)...
A downturn in intergalactic C IV as redshift 6 is approached (2009)
Ryan-Weber, Emma V., Pettini, Max, Madau, Piero, Zych, Berkeley J.
We present the results of the largest survey to date for intergalactic metals at redshifts z > 5 , using near-IR spectra of nine quasi-stellar objects with emission redshifts zem > 5.7 . We...
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)...
A downturn in intergalactic C IV as redshift 6 is approached (2009)
Ryan-Weber, Emma V., Pettini, Max, Madau, Piero, Zych, Berkeley J.
We present the results of the largest survey to date for intergalactic metals at redshifts z > 5 , using near-IR spectra of nine quasi-stellar objects with emission redshifts zem > 5.7 . We...
Deuterium abundance in the most metal-poor damped Lyman alpha system: converging on Ωb,0h^2 (2008)
Pettini, Max, Zych, Berkeley J., Murphy, Michael T., Lewis, Antony, Steidel, Charles C.
The most metal-poor damped Lyα system known to date, at zabs= 2.61843 in the spectrum of the QSO Q0913+072, with an oxygen abundance of only ∼1/250 of the solar value, shows six well-resolved DI...
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...
Pettini, Max, Zych, Berkeley J., Murphy, Michael T., Lewis, Antony, Steidel, Charles C.
The most metal-poor DLA known to date, at z = 2.61843 in the spectrum of the QSO Q0913+072, with an oxygen abundance only about 1/250 of the solar value, shows six well resolved D I Lyman series...
C, N, O abundances in the most metal-poor damped Lyman alpha systems (2008)
Pettini, Max, Zych, Berkeley J., Steidel, Charles C., Chaffee, Fred H.
This study focuses on some of the most metal-poor damped Lyα (DLA) absorbers known in the spectra of high-redshift QSOs, using new and archival observations obtained with ultraviolet-sensitive...
Diffuse interstellar bands in z < 0.6 Ca ii absorbers (2008)
Ellison, Sara L., York, Brian A., Murphy, Michael T., Zych, Berkeley J., Smith, Arfon M., Sarre, Peter J.
The diffuse interstellar bands (DIBs) probably arise from complex organic molecules whose strength in local galaxies correlates with neutral hydrogen column density, N(H i), and dust reddening, E(...
Diffuse interstellar bands in z < 0.6 Ca ii absorbers (2008)
Ellison, Sara L., York, Brian A., Murphy, Michael T., Zych, Berkeley J., Smith, Arfon M., Sarre, Peter J.
The diffuse interstellar bands (DIBs) probably arise from complex organic molecules whose strength in local galaxies correlates with neutral hydrogen column density, N(H i), and dust reddening, E(...
Diffuse interstellar bands in z < 0.6 Ca ii absorbers (2008)
Ellison, Sara L., York, Brian A., Murphy, Michael T., Zych, Berkeley J., Smith, Arfon M., Sarre, Peter J.
The diffuse interstellar bands (DIBs) probably arise from complex organic molecules whose strength in local galaxies correlates with neutral hydrogen column density, N(H i), and dust reddening, E(...
Diffuse interstellar bands in z < 0.6 Ca ii absorbers (2008)
Ellison, Sara L., York, Brian A., Murphy, Michael T., Zych, Berkeley J., Smith, Arfon M., Sarre, Peter J.
The diffuse interstellar bands (DIBs) probably arise from complex organic molecules whose strength in local galaxies correlates with neutral hydrogen column density, N(H i), and dust reddening, E(...
Pettini, Max, Zych, Berkeley J., Murphy, Michael T., Lewis, Antony M., Steidel, Charles C.
The most metal-poor damped Lyα system known to date, at z abs = 2.61843 in the spectrum of the QSO Q0913+072, with an oxygen abundance of only ∼1/250 of the solar value, shows six...
Diffuse interstellar bands in z < 0.6 Ca ii absorbers (2008)
Ellison, Sara L., York, Brian A., Murphy, Michael T., Zych, Berkeley J., Smith, Arfon M., Sarre, Peter J.
The diffuse interstellar bands (DIBs) probably arise from complex organic molecules whose strength in local galaxies correlates with neutral hydrogen column density, N(H i), and dust reddening, E(...
Pettini, Max, Zych, Berkeley J., Murphy, Michael T., Lewis, Antony M., Steidel, Charles C.
The most metal-poor damped Lyα system known to date, at z abs = 2.61843 in the spectrum of the QSO Q0913+072, with an oxygen abundance of only ∼1/250 of the solar value, shows six well-resolved D...
C, N, O Abundances in the Most Metal-Poor Damped Lyman alpha Systems (2007)
Pettini, Max, Zych, Berkeley J., Steidel, Charles C., Chaffee, Fred H.
This study focuses on some of the most metal-poor damped Lyman alpha absorbers known in the spectra of high redshift QSOs, using new and archival observations obtained with UV-sensitive echelle...
Diffuse Interstellar Bands in z < 0.6 CaII Absorbers (2007)
Ellison, Sara L., York, Brian A., Murphy, Michael T., Zych, Berkeley J., Smith, Arfon M., Sarre, Peter J.
The diffuse interstellar bands (DIBs) probably arise from complex organic molecules whose strength in local galaxies correlates with neutral hydrogen column density, N(HI), and dust reddening,...
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 connection between metallicity and metal-line kinematics in (sub-)damped Ly (2007)
Murphy, Michael T., Curran, Stephen J., Webb, Jonathan K., Ménager, H., Zych, Berkeley J.
Abstract not available.
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 connection between metallicity and metal-line kinematics in (sub-)damped Ly (2007)
Murphy, Michael T., Curran, Stephen J., Webb, Jonathan K., Ménager, H., Zych, Berkeley J.
Abstract not available.
The connection between metallicity and metal-line kinematics in (sub-)damped Ly (2007)
Murphy, Michael T., Curran, Stephen J., Webb, Jonathan K., Ménager, H., Zych, Berkeley J.
Abstract not available.
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 connection between metallicity and metal-line kinematics in (sub-)damped Ly (2007)
Murphy, Michael T., Curran, Stephen J., Webb, J. K., Menager, H., Zych, Berkeley J.
Abstract not available.
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 connection between metallicity and metal-line kinematics in (sub-)damped Ly (2007)
Murphy, Michael T., Curran, Stephen J., Webb, J. K., Menager, H., Zych, Berkeley J.
Abstract not available.
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...