Avery Meiksin

Ten More New Sightlines for the Study of Intergalactic Helium, and Hundreds of Far-UV-Bright Quasars, from SDSS, GALEX, and HST (2009)

Syphers, David, Anderson, Scott F., Zheng, Wei, Haggard, Daryl, Meiksin, Avery, Schneider, Donald P., ...

Absorption along quasar sightlines remains among the most sensitive direct measures of HeII reionization in much of the intergalactic medium (IGM). Until recently, fewer than a half-dozen unobscured...

The impact of Lyman series photons on the intergalactic medium during the Epoch of Reionisation (2009)

Meiksin, Avery

The role of higher order Lyman series photons on the 21cm absorption or emission signature of the IGM against the background CMB during the Epoch of Reionisation is examined. It is shown that, taking...

Baryon Acoustic Oscillations in the Sloan Digital Sky Survey Data Release 7 Galaxy Sample (2009)

Percival, Will J., Reid, Beth A., Eisenstein, Daniel J., Bahcall, Neta A., Budavari, Tamas, Frieman, Joshua A., ...

The spectroscopic Sloan Digital Sky Survey (SDSS) Data Release 7 (DR7) galaxy sample represents the final set of galaxies observed using the original SDSS target selection criteria. We analyse the...

Cosmological Constraints from the Clustering of the Sloan Digital Sky Survey DR7 Luminous Red Galaxies (2009)

Reid, Beth A., Percival, Will J., Eisenstein, Daniel J., Verde, Licia, Spergel, David N., Skibba, Ramin A., ...

We present the power spectrum of the reconstructed halo density field derived from a sample of Luminous Red Galaxies (LRGs) from the Sloan Digital Sky Survey Seventh Data Release (DR7). The halo...

The Seventh Data Release of the Sloan Digital Sky Survey (2009)

Abazajian, Kevork N., Adelman-McCarthy, Jennifer K., Agüeros, Marcel A., Allam, Sahar S., Allende Prieto, Carlos, An, Deokkeun, ...

This paper describes the Seventh Data Release of the Sloan Digital Sky Survey (SDSS), marking the completion of the original goals of the SDSS and the end of the phase known as SDSS-II. It includes...

The Wouthuysen-Field effect in a clumpy intergalactic medium (2008)

Higgins, Jonathan, Meiksin, Avery

We show that, due to the high optical depth of the intergalactic medium to Lyman-alpha photons before the Epoch of Reionization, the Lyman-alpha scattering rate responsible for the Wouthuysen-Field...

A High Yield of New Sightlines for the Study of Intergalactic Helium: Far-UV-Bright Quasars from SDSS, GALEX, and HST (2008)

Syphers, David, Anderson, Scott F., Zheng, Wei, Haggard, Daryl, Meiksin, Avery, Chiu, Kuenley, ...

Investigations of He II Ly-alpha (304 A rest) absorption toward a half-dozen quasars at z~3-4 have demonstrated the great potential of helium studies of the IGM, but the current critically small...

The sixth data release of the Sloan Digital Sky Survey (2008)

Adelman-McCarthy, Jennifer K., Agüeros, Marcel A., Allam, Sahar S., Prieto, Carlos Allende, Anderson, Kurt S. J., Anderson, Scott F., ...

This paper describes the Sixth Data Release of the Sloan Digital Sky Survey. With this data release, the imaging of the northern Galactic cap is now complete. The survey contains images and...

The sixth data release of the Sloan Digital Sky Survey (2008)

Adelman-McCarthy, Jennifer K., Agueros, Marcel A., Allam, Sahar S., Prieto, Carlos Alende, Anderson, Kurt S. J., Anderson, Scott F., ...

This paper describes the Sixth Data Release of the Sloan Digital Sky Survey. With this data release, the imaging of the northern Galactic cap is now complete. The survey contains images and...

The sixth data release of the Sloan Digital Sky Survey (2008)

Adelman-McCarthy, Jennifer K., Agueros, Marcel A., Allam, Sahar S., Prieto, Carlos Alende, Anderson, Kurt S. J., Anderson, Scott F., ...

This paper describes the Sixth Data Release of the Sloan Digital Sky Survey. With this data release, the imaging of the northern Galactic cap is now complete. The survey contains images and...

The sixth data release of the Sloan Digital Sky Survey (2008)

Adelman-McCarthy, Jennifer K., Agueros, Marcel A., Allam, Sahar S., Prieto, Carlos Alende, Anderson, Kurt S. J., Anderson, Scott F., ...

This paper describes the Sixth Data Release of the Sloan Digital Sky Survey. With this data release, the imaging of the northern Galactic cap is now complete. The survey contains images and...

The sixth data release of the Sloan Digital Sky Survey (2008)

Adelman-McCarthy, Jennifer K., Agueros, Marcel A., Allam, Sahar S., Prieto, Carlos Alende, Anderson, Kurt S. J., Anderson, Scott F., ...

This paper describes the Sixth Data Release of the Sloan Digital Sky Survey. With this data release, the imaging of the northern Galactic cap is now complete. The survey contains images and...

The Fifth Data Release of the Sloan Digital Sky Survey (2007)

Adelman-McCarthy, Jennifer K., Agüeros, Marcel A., Allam, Sahar S., Anderson, Kurt S. J., Anderson, Scott F., Annis, James, ...

This paper describes the Fifth Data Release (DR5) of the Sloan Digital Sky Survey (SDSS). DR5 includes all survey quality data taken through 2005 June and represents the completion of the SDSS-I...

The fifth data release of the Sloan Digital Sky Survey (2007)

Adelman-McCarthy, Jennifer K., Agueros, Marcel A., Allam, Sahar S., Anderson, Kurt S. J., Anderson, Scott F., Annis, James, ...

This paper describes the Fifth Data Release (DR5) of the Sloan Digital Sky Survey (SDSS). DR5 includes all survey quality data taken through 2005 June and represents the completion of the SDSS-I...

The Fifth Data Release of the Sloan Digital Sky Survey (2007)

Adelman-McCarthy, Jennifer K., Agueeros, Marcel A., Allam, Sahar S., Anderson, Kurt S. J., Anderson, Scott F., Annis, James, ...

This paper describes the Fifth Data Release (DR5) of the Sloan Digital Sky Survey (SDSS). DR5 includes all survey quality data taken through 2005 June and represents the completion of the SDSS-I...

The Fifth Data Release of the Sloan Digital Sky Survey (2007)

Adelman-McCarthy, Jennifer K., Agueeros, Marcel A., Allam, Sahar S., Anderson, Kurt S. J., Anderson, Scott F., Annis, James, ...

This paper describes the Fifth Data Release (DR5) of the Sloan Digital Sky Survey (SDSS). DR5 includes all survey quality data taken through 2005 June and represents the completion of the SDSS-I...

The fifth data release of the Sloan Digital Sky Survey (2007)

Adelman-McCarthy, Jennifer K., Agueros, Marcel A., Allam, Sahar S., Anderson, Kurt S. J., Anderson, Scott F., Annis, James, ...

This paper describes the Fifth Data Release (DR5) of the Sloan Digital Sky Survey (SDSS). DR5 includes all survey quality data taken through 2005 June and represents the completion of the SDSS-I...

Measuring the matter density using baryon oscillations in the SDSS (2006)

Percival, Will J., Nichol, Robert C., Eisenstein, Daniel J., Weinberg, David H., Fukugita, Masataka, Pope, Adrian C., ...

We measure the cosmological matter density by observing the positions of baryon acoustic oscillations in the clustering of galaxies in the Sloan Digital Sky Survey (SDSS). We jointly analyse the main...

The shape of the SDSS DR5 galaxy power spectrum (2006)

Percival, Will J., Nichol, Robert C., Eisenstein, Daniel J., Frieman, Joshua A., Fukugita, Masataka, Loveday, Jon, ...

We present a Fourier analysis of the clustering of galaxies in the combined Main galaxy and Luminous Red Galaxy (LRG) Sloan Digital Sky Survey (SDSS) Data Release 5 (DR5) sample. The aim of our...

Reionisation scenarios and the temperature of the IGM (2006)

Tittley, Eric R., Meiksin, Avery

We examine the temperature structure of the IGM due to the passage of individual ionisation fronts using a radiative transfer (RT) code coupled to a particle-mesh (PM) N-body code. Multiple...

Energy transfer by the scattering of resonant photons (2006)

Meiksin, Avery

A formal derivation is presented of the energy transfer rate between radiation and matter due to the scattering of an isotropic distribution of resonant photons. The derivation is developed in the...

The SDSS Quasar Survey: Quasar Luminosity Function from Data Release Three (2006)

Richards, Gordon T., Strauss, Michael A., Fan, Xiaohui, Hall, Patrick B., Jester, Sebastian, Schneider, Donald P., ...

We determine the number counts and z=0-5 luminosity function for a well-defined, homogeneous sample of quasars from the Sloan Digital Sky Survey (SDSS). We conservatively define the most uniform...

The Sloan Digital Sky Survey quasar survey: Quasar luminosity function from data release 3 (2006)

Richards, Gordon T., Strauss, Michael A., Fan, Xiaohui, Hall, Patrick B., Jester, Sebastian, Schneider, Donald P., ...

We determine the number counts and z=0-5 luminosity function for a well-defined, homogeneous sample of quasars from the Sloan Digital Sky Survey (SDSS). We conservatively define the most uniform...

The Fourth Data Release of the Sloan Digital Sky Survey (2006)

Adelman-McCarthy, Jennifer K., Agüeros, Marcel A., Allam, Sahar S., Anderson, Kurt S. J., Anderson, Scott F., Annis, James, ...

This paper describes the Fourth Data Release of the Sloan Digital Sky Survey (SDSS), including all survey-quality data taken through 2004 June. The data release includes five-band photometric data...

The fourth data release of the Sloan Digital Sky Survey (2006)

Adelman-McCarthy, Jennifer K., Agueros, Marcel A., Allam, Sahar S., Anderson, Kurt S. J., Anderson, Scott F., Annis, James, ...

This paper describes the Fourth Data Release of the Sloan Digital Sky Survey (SDSS), including all survey-quality data taken through 2004 June. The data release includes five-band photometric data...

The fourth data release of the Sloan Digital Sky Survey (2006)

Adelman-McCarthy, Jennifer K., Agueros, Marcel A., Allam, Sahar S., Anderson, Kurt S. J., Anderson, Scott F., Annis, James, ...

This paper describes the Fourth Data Release of the Sloan Digital Sky Survey (SDSS), including all survey-quality data taken through 2004 June. The data release includes five-band photometric data...

The 2dF-SDSS LRG and QSO (2SLAQ) luminous red galaxy survey (2006)

Cannon, Russell, Drinkwater, Michael, Edge, Alastair, Eisenstein, Daniel, Nichol, Robert, Outram, Phillip, ...

We present a spectroscopic survey of almost 15 000 candidate intermediate-redshift luminous red galaxies (LRGs) brighter than i = 19.8, observed with 2dF on the Anglo-Australian Telescope. The...

The fourth data release of the Sloan Digital Sky Survey (2006)

Adelman-McCarthy, Jennifer K., Agueros, Marcel A., Allam, Sahar S., Anderson, Kurt S. J., Anderson, Scott F., Annis, James, ...

This paper describes the Fourth Data Release of the Sloan Digital Sky Survey (SDSS), including all survey-quality data taken through 2004 June. The data release includes five-band photometric data...

The 2dF-SDSS LRG and QSO (2SLAQ) luminous red galaxy survey (2006)

Cannon, Russell, Drinkwater, Michael, Edge, Alastair, Eisenstein, Daniel, Nichol, Robert, Outram, Phillip, ...

We present a spectroscopic survey of almost 15 000 candidate intermediate-redshift luminous red galaxies (LRGs) brighter than i = 19.8, observed with 2dF on the Anglo-Australian Telescope. The...

Colour corrections for high redshift objects due to intergalactic attenuation (2005)

Meiksin, Avery

Corrections to the magnitudes of high redshift objects due to intergalactic attenuation are computed using current estimates of the properties of the intergalactic medium. The results of numerical...

The possible detection of high redshift Type II QSOs in deep fields (2005)

Meiksin, Avery

The colours of high redshift Type II QSOs are synthesized from observations of moderate redshift systems. It is shown that Type II QSOs are comparable to starbursts in their success at matching the...

An Empirical Calibration of the Completeness of the SDSS Quasar Survey (2005)

Berk, Daniel E. Vanden, Schneider, Donald P., Richards, Gordon T., Hall, Patrick B., Strauss, Michael A., Brunner, Robert, ...

Spectra of nearly 20000 point-like objects to a Galactic reddening corrected magnitude of i=19.1 have been obtained to test the completeness of the SDSS quasar survey. The spatially-unresolved...

The Third Data Release of the Sloan Digital Sky Survey (2005)

Abazajian, Kevork, Adelman-McCarthy, Jennifer K., Agüeros, Marcel A., Allam, Sahar S., Anderson, Kurt S. J., Anderson, Scott F., ...

This paper describes the Third Data Release of the Sloan Digital Sky Survey (SDSS). This release, containing data taken up through 2003 June, includes imaging data in five bands over 5282 deg2,...

The third data release of the Sloan Digital Sky Survey (2005)

Abazajian, Kevork N., Adelman-McCarthy, Jennifer K., Agueros, Marcel A., Allam, Sahar S., Anderson, Kurt S. J., Anderson, Scott F., ...

This paper describes the Third Data Release of the Sloan Digital Sky Survey (SDSS). This release, containing data taken up through 2003 June, includes imaging data in five bands over 5282 deg²,...

The third data release of the Sloan Digital Sky Survey (2005)

Abazajian, Kevork N., Adelman-McCarthy, Jennifer K., Agueros, Marcel A., Allam, Sahar S., Anderson, Kurt S. J., Anderson, Scott F., ...

This paper describes the Third Data Release of the Sloan Digital Sky Survey (SDSS). This release, containing data taken up through 2003 June, includes imaging data in five bands over 5282 deg²,...

The third data release of the Sloan Digital Sky Survey (2005)

Abazajian, Kevork N., Adelman-McCarthy, Jennifer K., Agueros, Marcel A., Allam, Sahar S., Anderson, Kurt S. J., Anderson, Scott F., ...

This paper describes the Third Data Release of the Sloan Digital Sky Survey (SDSS). This release, containing data taken up through 2003 June, includes imaging data in five bands over 5282 deg²,...

The Intermediate-Scale Clustering of Luminous Red Galaxies (2004)

Zehavi, Idit, Eisenstein, Daniel J., Nichol, Robert C., Blanton, Michael R., Hogg, David W., Brinkmann, Jon, ...

We report the intermediate-scale (0.3 to 40 Mpc/h) clustering of 35,000 luminous early-type galaxies at redshifts 0.16 to 0.44 from the Sloan Digital Sky Survey. We present the redshift-space...

The Small-scale Clustering of Luminous Red Galaxies via Cross-Correlation Techniques (2004)

Eisenstein, Daniel J., Blanton, Michael, Zehavi, Idit, Bahcall, Neta, Brinkmann, Jon, Loveday, Jon, ...

We present the small-scale (0.2h^{-1} to 7h^{-1} Mpc) cross-correlations between 32,000 luminous early-type galaxies and a reference sample of 16 million normal galaxies from the Sloan Digital Sky...

A library of high resolution Kurucz spectra in the wavelength range 3000 - 10000 AA (2004)

Murphy, Tara, Meiksin, Avery

We present a library of 6410 synthetic spectra with resolution Lambda/dLambda = 250,000 based on the revised Kurucz 1993 model atmospheres. The library covers the wavelength range 3000 - 10,000 AA...

Cosmological Parameters from Eigenmode Analysis of Sloan Digital Sky Survey Galaxy Redshifts (2004)

Pope, Adrian C., Matsubara, Takahiko, Szalay, Alexander S., Blanton, Michael R., Eisenstein, Daniel J., Gray, Jim, ...

We present estimates of cosmological parameters from the application of the Karhunen-Loeve transform to the analysis of the 3D power spectrum of density fluctuations using Sloan Digital Sky Survey...

The dependence on environment of the color-magnitude relation of galaxies (2004)

Hogg, David W., Blanton, Michael R., Brinchmann, Jarle, Eisenstein, Daniel J., Schlegel, David J., Gunn, James E., ...

The distribution in color and absolute magnitude is presented for 55,158 galaxies taken from the Sloan Digital Sky Survey in the redshift range 0.08‚‚lt;z‚‚lt;0.12, as a function of the galaxy...

The second data release of the Sloan Digital Sky Survey (2004)

Abazajian, Kevork, Adelman-McCarthy, Jennifer K., Agüeros, Marcel A., Allam, Sahar S., Anderson, Kurt, Anderson, Scott F., ...

The Sloan Digital Sky Survey (SDSS) has validated and made publicly available its Second Data Release. This data release consists of 3324 deg2 of five-band (ugriz) imaging data with photometry for...

Sloan Digital Sky Survey Imaging of Low Galactic Latitude Fields: Technical Summary and Data Release (2004)

Finkbeiner, Douglas P., Padmanabhan, Nikhil, Schlegel, David J., Carr, Michael A., Gunn, James E., Rockosi, Constance M., ...

The Sloan Digital Sky Survey (SDSS) mosaic camera and telescope have obtained five-band optical-wavelength imaging near the Galactic plane outside of the nominal survey boundaries. These additional...

The second data release of the Sloan Digital Sky Survey (2004)

Abazajian, Kevork N., Adelman-McCarthy, Jennifer K., Agueros, Marcel A., Allam, Sahar S., Anderson, Kurt S. J., Anderson, Scott F., ...

The Sloan Digital Sky Survey (SDSS) has validated and made publicly available its Second Data Release. This data release consists of 3324 deg(2) of five-band (ugriz) imaging data with photometry for...

The second data release of the Sloan Digital Sky Survey (2004)

Abazajian, Kevork N., Adelman-McCarthy, Jennifer K., Agueros, Marcel A., Allam, Sahar S., Anderson, Kurt S. J., Anderson, Scott F., ...

The Sloan Digital Sky Survey (SDSS) has validated and made publicly available its Second Data Release. This data release consists of 3324 deg(2) of five-band (ugriz) imaging data with photometry for...

Radiative transfer through the Intergalactic Medium (2003)

Bolton, James, Meiksin, Avery, White, Martin

We use a probabilistic method to compute the propagation of an ionization front corresponding to the re-ionization of the intergalactic medium in a LCDM cosmology, including both hydrogen and helium....

The dependence on environment of the color-magnitude relation of galaxies (2003)

Hogg, David W., Blanton, Michael R., Brinchmann, Jarle, Eisenstein, Daniel J., Schlegel, David J., Gunn, James E., ...

The distribution in color and absolute magnitude is presented for 55,158 galaxies taken from the Sloan Digital Sky Survey in the redshift range $0.08

The effects of UV background correlations on LyA forest flux statistics (2003)

Meiksin, Avery, White, Martin

We examine the possible effects of UV background fluctuations on the pixel flux power spectrum and auto-correlation function of the LyA forest due to a finite number of sources in an attenuating...

Constraints on the UV metagalactic emissivity using the LyA forest (2003)

Meiksin, Avery, White, Martin

Numerical hydrodynamical simulations have proven a successful means of reproducing many of the statistical properties of the LyA forest as measured in high redshift (z > 4) quasar spectra. The source...

The Sloan Digital Sky Survey: the cosmic spectrum and star formation history (2003)

Glazebrook, Karl, Baldry, Ivan K., Blanton, Michael R., Brinkmann, Jon, Connolly, Andrew J., Csabai, Istvan, ...

We present a determination of the "cosmic optical spectrum" of the universe, i.e., the ensemble emission from galaxies, as determined from the red-selected Sloan Digital Sky Survey main galaxy...

The first data release of the Sloan Digital Sky Survey (2003)

Abazajian, Kevork N., Adelman-McCarthy, Jennifer K., Agueros, Marcel A., Allam, Sahar S., Anderson, Scott F., Annis, James, ...

The Sloan Digital Sky Survey (SDSS) has validated and made publicly available its First Data Release. This consists of 2099 deg2 of five-band (u, g, r, i, z) imaging data, 186,240 spectra of...

The Sloan Digital Sky Survey: the cosmic spectrum and star formation history (2003)

Glazebrook, Karl, Baldry, Ivan K., Blanton, Michael R., Brinkmann, Jon, Connolly, Andrew J., Csabai, Istvan, ...

We present a determination of the "cosmic optical spectrum" of the universe, i.e., the ensemble emission from galaxies, as determined from the red-selected Sloan Digital Sky Survey main galaxy...

The first data release of the Sloan Digital Sky Survey (2003)

Abazajian, Kevork N., Adelman-McCarthy, Jennifer K., Agueros, Marcel A., Allam, Sahar S., Anderson, Scott F., Annis, James, ...

The Sloan Digital Sky Survey (SDSS) has validated and made publicly available its First Data Release. This consists of 2099 deg2 of five-band (u, g, r, i, z) imaging data, 186,240 spectra of...

The Sloan Digital Sky Survey: The Cosmic Spectrum and Star-Formation History (2002)

Glazebrook, Karl, Baldry, Ivan K., Blanton, Michael R., Brinkmann, Jon, Connolly, Andrew, Csabai, Istvan, ...

We present a determination of the `Cosmic Optical Spectrum' of the Universe, i.e. the ensemble emission from galaxies, as determined from the red-selected Sloan Digital Sky Survey main galaxy sample...

The Galaxy Luminosity Function and Luminosity Density at Redshift z=0.1 (2002)

Blanton, Michael R., Hogg, David W., Brinkmann, J., Connolly, Andrew J., Csabai, Istvan, Bahcall, Neta A., ...

Using a catalog of 147,986 galaxy redshifts and fluxes from the Sloan Digital Sky Survey (SDSS) we measure the galaxy luminosity density at z=0.1 in five optical bandpasses corresponding to the SDSS...

The Sloan Digital Sky Survey Quasar Catalog. I. Early data release (2002)

Schneider, Donald P., Richards, Gordon T., Fan, Xiaohui, Hall, Patrick B., Strauss, Michael A., Vanden Berk, Daniel E., ...

We present the first edition of the Sloan Digital Sky Survey (SDSS) Quasar Catalog. The catalog consists of the 3814 objects ( 3000 discovered by the SDSS) in the initial SDSS public data release...

Sloan Digital Sky Survey: Early data release (2002)

Stoughton, Chirs, Lupton, Rpbert H., Bernardi, Mariangela, Blanton, Michael R., Burles, Scott, Castander, Francsico J., ...

The Sloan Digital Sky Survey (SDSS) is an imaging and spectroscopic survey that will eventually cover approximately one-quarter of the celestial sphere and collect spectra of 10 6 galaxies, 100,000...

Sloan Digital Sky Survey: early data release (2002)

Stoughton, Chris, Lupton, Robert H., Bernardi, Mariangela, Blanton, Michael R., Burles, Scott M., Castander, Francisco J., ...

The Sloan Digital Sky Survey (SDSS) is an imaging and spectroscopic survey that will eventually cover approximately one-quarter of the celestial sphere and collect spectra of ≈ 106 galaxies,...

Sloan Digital Sky Survey: early data release (2002)

Stoughton, Chris, Lupton, Robert H., Bernardi, Mariangela, Blanton, Michael R., Burles, Scott M., Castander, Francisco J., ...

The Sloan Digital Sky Survey (SDSS) is an imaging and spectroscopic survey that will eventually cover approximately one-quarter of the celestial sphere and collect spectra of ≈ 106 galaxies,...

Higher Order Moments of the Angular Distribution of Galaxies from Early SDSS Data (2001)

Szapudi, István, Frieman, Joshua A., Scoccimarro, Roman, Szalay, Alexander S., Connolly, Andrew J., Dodelson, Scott, ...

We present initial results for counts in cells statistics of the angular distribution of galaxies in early data from the Sloan Digital Sky Survey (SDSS). We analyze a rectangular stripe $2.5^\circ$...

KL Estimation of the Power Spectrum Parameters from the Angular Distribution of Galaxies in Early SDSS Data (2001)

Collaboration, SDSS, Szalay, Alexander S., Jain, Bhuvnesh, Matsubara, Takahiko, Scranton, Ryan, Vogeley, Michael S., ...

We present measurements of parameters of the 3-dimensional power spectrum of galaxy clustering from 222 square degrees of early imaging data in the Sloan Digital Sky Survey. The projected galaxy...

The First Light seen in the redshifted 21-cm radiation (1999)

Tozzi, Paolo, Madau, Piero, Meiksin, Avery, Rees, Martin J.

We show how the investigation of the redshifted 21-cm radiation can give insight into the development of structures in the early universe (at redshifts z>5). In particular we investigate: the epoch...

Radio Signatures of HI at High Redshift: Mapping the End of the ``Dark Ages'' (1999)

Tozzi, Paolo, Madau, Piero, Meiksin, Avery, Rees, Martin J.

The emission of 21-cm radiation from a neutral intergalactic medium (IGM) at high redshift is discussed in connection with the thermal and ionization history of the universe. The physical mechanisms...

Simulating the Lyman Alpha Forest (1998)

Machacek, Marie E., Bryan, Greg L., Anninos, Peter, Meiksin, Avery, Norman, Michael L.

In this paper we review the importance of the Lyman alpha forest as a probe of structure formation in the universe. We first discuss the statistics used to describe the Lyman alpha forest and the...

Physical Properties of the Lyman Alpha Forest in a Cold Dark Matter Cosmology (1997)

Zhang, Yu, Meiksin, Avery, Anninos, Peter, Norman, Michael L.

We discuss the origin and physical nature of the Lya forest absorption systems as found in hydrodynamical simulations of the Intergalactic Medium in a standard Cold Dark Matter cosmology (Omega=1,...

Cosmic Minivoids in the Intergalactic Medium (1996)

Meiksin, Avery

The Gunn-Peterson effect, absorption of Lya photons by a homogeneous component of the intergalactic medium (IGM), potentially provides a test of Big Bang Nucleosynthesis (BBN). With a lower limit on...

Spectral Analysis of the Lyman Alpha Forest in a Cold Dark Matter Cosmology (1996)

Zhang, Yu, Anninos, Peter, Norman, Michael L., Meiksin, Avery

We simulate the Lya forest in a standard CDM universe using a 2-level hierarchical grid code to evolve the dark and baryonic matter components self-consistently. We solve the time-dependent...

21-cm Tomography of the Intergalactic Medium at High Redshift (1996)

Madau, Piero, Meiksin, Avery, Rees, Martin J.

We investigate the 21-cm signature that may arise from the intergalactic medium (IGM) prior to the epoch of full reionization (z>5). In scenarios in which the IGM is reionized by discrete sources of...

Higher Order Statistics from the EDSGC Survey I: Counts in Cells (1996)

Szapudi, István, Meiksin, Avery, Nichol, Robert C.

Counts in cells are used to analyse the higher order properties of the statistics of the EDSGC survey. The probability distribution is obtained from an equal area projection source catalog with...

Two-Phase Cooling Flows with Magnetic Reconnection (1996)

Norman, Colin, Meiksin, Avery

Motivated by the observations of high Faraday rotation measures measured in cooling flow clusters we propose a model relevant to plasmas with comparable thermal and magnetic pressures. Magnetic field...

Cosmological Filaments and Minivoids: The Origin of Intergalactic Absorption (1996)

Zhang, Yu, Meiksin, Avery, Anninos, Peter, Norman, Michael L.

Soon after the first QSO was identified, Gunn & Peterson searched for the expected characteristic absorption trough on the blueward side of Lya in the spectrum of the QSO due to an Intergalactic...

Lyman Alpha Forest Clustering Using Cell Counts Statistics (1995)

Bouchet, François R., Meiksin, Avery

We present a novel technique for calculating \Lya forest correlations based on cell counts. It is applied to the line lists from 7 QSOs observed at high resolution ($\Delta v 3h^{-1}\Mpc$.}

LYMAN-ALPHA FOREST CORRELATIONS USING NEIGHBOR COUNTS (1995)

Meiksin, Avery, Bouchet, Francois R.

We present a novel technique for calculating the two-point autocorrelation function of the Lyman-alpha forest based on the relation between the two-point correlation function and the Neighbor...

The Structure and Evolution of Lyman-alpha Forest Clouds in the Minihalo Model (1994)

Meiksin, Avery

Results are presented for one-dimensional numerical hydrodynamics computations of the structure and evolution of Lya forest clouds gravitationally confined by dark matter minihalos. The clouds are...