Will J. Percival

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...

Forecasting Cosmological Constraints from Redshift Surveys (2008)

White, Martin, Song, Yong-Seon, Percival, Will J.

Observations of redshift-space distortions in spectroscopic galaxy surveys offer an attractive method for observing the build-up of cosmological structure, which depends both on the expansion rate of...

Scale Dependent Galaxy Bias in the SDSS as a function of Luminosity and Colour (2008)

Cresswell, James G., Percival, Will J.

It has been known for a long time that the clustering of galaxies changes as a function of galaxy type. This galaxy bias acts as a hindrance to the extraction of cosmological information from the...

Testing cosmological structure formation using redshift-space distortions (2008)

Percival, Will J, White, Martin

Observations of redshift-space distortions in spectroscopic galaxy surveys offer an attractive method for observing the build-up of cosmological structure. In this paper we develop and test a new...

Reconstructing the History of Structure Formation using Peculiar Velocities (2008)

Song, Yong-Seon, Percival, Will J.

Measuring the statistics of galaxy peculiar velocities using redshift-space distortions is an excellent way of probing the history of structure formation. In particular, because all galaxies are...

Galaxy peculiar velocities and evolution-bias (2007)

Percival, Will J., Schaefer, Bjoern M.

Galaxy bias can be split into two components: a formation-bias based on the locations of galaxy creation, and an evolution-bias that details their subsequent evolution. In this letter we consider...

Measuring the Baryon Acoustic Oscillation scale using the SDSS and 2dFGRS (2007)

Percival, Will J., Cole, Shaun, Eisenstein, Daniel J., Nichol, Robert C., Peacock, John A., Pope, Adrian C., ...

We introduce a method to constrain general cosmological models using Baryon Acoustic Oscillation (BAO) distance measurements from galaxy samples covering different redshift ranges, and apply this...

Cosmological constraints from the SDSS luminous red galaxies (2006)

Tegmark, Max, Eisenstein, Daniel J., Strauss, Michael A., Weinberg, David H., Blanton, Michael R., Frieman, Joshua A., ...

We measure the large-scale real-space power spectrum P(k) using luminous red galaxies (LRGs) in the Sloan Digital Sky Survey (SDSS) and use this measurement to sharpen constraints on cosmological...

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...

Likelihood methods for the combined analysis of CMB temperature and polarisation power spectra (2006)

Percival, Will J., Brown, Michael L.

We consider the shape of the likelihood and posterior surfaces to be used when fitting cosmological models to CMB temperature and polarisation power spectra measured from experiments. In the limit of...

Cosmological constraints from galaxy clustering (2006)

Percival, Will J.

In this manuscript I review the mathematics and physics that underpins recent work using the clustering of galaxies to derive cosmological model constraints. I start by describing the basic concepts,...

Cosmological constraints from the SDSS luminous red galaxies (2006)

Tegmark, Max, Eisenstein, Daniel J., Strauss, Michael A., Weinberg, David H., Blanton, Michael R., Frieman, Joshua A., ...

We measure the large-scale real-space power spectrum P(k) using luminous red galaxies (LRGs) in the Sloan Digital Sky Survey (SDSS) and use this measurement to sharpen constraints on cosmological...

Cosmological constraints from the SDSS luminous red galaxies (2006)

Tegmark, Max, Eisenstein, Daniel J., Strauss, Michael A., Weinberg, David H., Blanton, Michael R., Frieman, Joshua A., ...

We measure the large-scale real-space power spectrum P(k) using luminous red galaxies (LRGs) in the Sloan Digital Sky Survey (SDSS) and use this measurement to sharpen constraints on cosmological...

Cosmological constraints from the SDSS luminous red galaxies (2006)

Tegmark, Max, Eisenstein, Daniel J., Strauss, Michael A., Weinberg, David H., Blanton, Michael R., Frieman, Joshua A., ...

We measure the large-scale real-space power spectrum P(k) using luminous red galaxies (LRGs) in the Sloan Digital Sky Survey (SDSS) and use this measurement to sharpen constraints on cosmological...

Cosmological structure formation in a homogeneous dark energy background (2005)

Percival, Will J.

There is now strong evidence that the current energy density of the Universe is dominated by dark energy with an equation of state w

Markov-chain reconstruction of the 2dF Galaxy Redshift Survey real-space power spectrum (2004)

Percival, Will J.

The real-space power spectrum of L* galaxies measured from the 2dF Galaxy Redshift Survey (2dFGRS) is presented. Markov-Chain Monte-Carlo (MCMC) sampling was used to fit radial and angular modes...

A search for the first massive galaxy clusters (2004)

Willott, Chris J., Crampton, David, Hutchings, John B., Sawicki, Marcin, Simard, Luc, Jarvis, Matt J., ...

We have obtained deep, multi-band imaging observations around three of the most distant known quasars at redshifts z>6. Standard accretion theory predicts that the supermassive black holes present in...

The extragalactic sub-mm population: predictions for the SCUBA Half-Degree Extragalactic Survey (SHADES) (2004)

Van Kampen, Eelco, Percival, Will J., Crawford, Miller, Dunlop, James S., Scott, Susie E., Bevis, Neil, ...

We present predictions for the angular correlation function and redshift distribution for SHADES, the SCUBA HAlf-Degree Extragalactic Survey, which will yield a sample of around 300 sub-mm sources in...

The 2dF Galaxy Redshift Survey: Spherical Harmonics analysis of fluctuations in the final catalogue (2004)

Percival, Will J., Burkey, Daniel, Heavens, Alan, Taylor, Andy, Cole, Shaun, Peacock, John A., ...

We present the result of a decomposition of the 2dFGRS galaxy overdensity field into an orthonormal basis of spherical harmonics and spherical Bessel functions. Galaxies are expected to directly...

The 2dF Galaxy Redshift Survey: spherical harmonics analysis of fluctuations in the final catalogue (2004)

Percival, Will J., Burkey, Daniel, Heavens, Alan F., Taylor, Andy N., Cole, Shaun, Peacock, John A., ...

We present the result of a decomposition of the 2dF Galaxy Redshift Survey (2dFGRS) galaxy overdensity field into an orthonormal basis of spherical harmonics and spherical Bessel functions. Galaxies...

The 2dF Galaxy Redshift Survey: spherical harmonics analysis of fluctuations in the final catalogue (2004)

Percival, Will J., Burkey, Daniel, Heavens, Alan F., Taylor, Andy N., Cole, Shaun, Peacock, John A., ...

We present the result of a decomposition of the 2dF Galaxy Redshift Survey (2dFGRS) galaxy overdensity field into an orthonormal basis of spherical harmonics and spherical Bessel functions. Galaxies...

Fourier analysis of luminosity-dependent galaxy clustering (2003)

Percival, Will J., Verde, Licia, Peacock, John A.

We extend the Fourier transform based method for the analysis of galaxy redshift surveys of Feldman, Kaiser & Peacock (1994: FKP) to model luminosity-dependent clustering. In a magnitude limited...

The 2dF Galaxy Redshift Survey: the luminosity function of cluster galaxies (2003)

De Propris, Roberto, Colless, Matthew, Driver, Simon P., Couch, Warrick J., Peacock, John A., Baldry, Ivan K., ...

We have determined the composite luminosity function (LF) for galaxies in 60 clusters from the 2dF Galaxy Redshift Survey. The LF spans the range -22.5 < MbJ <-15, and is well fitted by a...

The 2dF Galaxy Redshift Survey: correlation functions, peculiar velocities and the matter density of the Universe (2003)

Hawkins, Edward, Maddox, Stephen J., Cole, Shaun, Lahav, Ofer, Madgwick, Darren, Norberg, Peder, ...

We present a detailed analysis of the two-point correlation function, ξ(σ, π) , from the 2dF Galaxy Redshift Survey (2dFGRS). The large size of the catalogue, which contains...

The 2dF Galaxy Redshift Survey: the luminosity function of cluster galaxies (2003)

De Propris, Roberto, Colless, Matthew, Driver, Simon P., Couch, Warrick J., Peacock, John A., Baldry, Ivan K., ...

We have determined the composite luminosity function (LF) for galaxies in 60 clusters from the 2dF Galaxy Redshift Survey. The LF spans the range -22.5 < MbJ <-15, and is well fitted by a...

The 2dF Galaxy Redshift Survey: correlation functions, peculiar velocities and the matter density of the Universe (2003)

Hawkins, Edward, Maddox, Stephen J., Cole, Shaun, Lahav, Ofer, Madgwick, Darren, Norberg, Peder, ...

We present a detailed analysis of the two-point correlation function, ξ(σ, π) , from the 2dF Galaxy Redshift Survey (2dFGRS). The large size of the catalogue, which contains...

The clustering of halo mergers (2002)

Percival, Will J., Scott, Douglas, Peacock, John A., Dunlop, James S.

We analyse the spatial distribution of halo merger sites using four numerical simulations with high time resolution of structure growth in a Lambda-CDM cosmology. We find no evidence for any...

Parameter constraints for flat cosmologies from CMB and 2dFGRS power spectra (2002)

Percival, Will J., Sutherland, Will, Peacock, John A., Baugh, Carlton M., Bland-Hawthorn, Joss, Bridges, Terry, ...

We constrain flat cosmological models with a joint likelihood analysis of a new compilation of data from the cosmic microwave background (CMB) and from the 2dF Galaxy Redshift Survey (2dFGRS)....

The 2dF Galaxy Redshift Survey: the environmental dependence of galaxy star formation rates near clusters (2002)

Lewis, Ian, Balogh, Michael L., De Propris, Roberto, Couch, Warrick J., Bower, Richard G., Offer, Alison R., ...

We have measured the equivalent width of the Ha emission line for 11 006 galaxies brighter than Mb, = -19 (ΩΛ = 0.7, Ωm = 0.3, H0 = 70 km s-1 Mpc-1) at 0.05 < z < 0.1 in the 2dF Galaxy Redshift...

The 2dF Galaxy Redshift Survey: a targeted study of catalogued clusters of galaxies (2002)

De Propris, Roberto, Couch, Warrick J., Colless, Matthew, Dalton, Gavin B., Collins, Chris A., Baugh, Carlton, ...

We have carried out a study of known clusters within the 2dF Galaxy Redshift Survey (2dFGRS) observed areas and have identified 431 Abell, 173 APM and 343 EDCC clusters. Precise redshifts, velocity...

The 2dF Galaxy Redshift Survey: the bias of galaxies and the density of the Universe (2002)

Verde, Licia, Heavens, Alan F., Percival, Will J., Matarrese, Sabino, Baugh, Carlton, Bland-Hawthorn, Joss, ...

We compute the bispectrum of the 2dF Galaxy Redshift Survey (2dFGRS) and use it to measure the bias parameter of the galaxies. This parameter quantifies the strength of clustering of the galaxies...

Parameter constraints for flat cosmologies from cosmic microwave background and 2dFGRS power spectra (2002)

Percival, Will J., Sutherland, William J., Peacock, John A., Baugh, Carlton, Bland-Hawthorn, Joss, Bridges, Terry J., ...

We constrain flat cosmological models with a joint likelihood analysis of a new compilation of data from the cosmic microwave background (CMB) and from the 2dF Galaxy Redshift Survey (2dFGRS)....

The 2dF Galaxy Redshift Survey: the amplitudes of fluctuations in the 2dFGRS and the CMB, and implications for galaxy biasing (2002)

Lahav, Ofer, Bridle, Sarah, Percival, Will J., Peacock, John A., Efstathiou, George P., Baugh, Carlton, ...

We compare the amplitudes of fluctuations probed by the 2dF Galaxy Redshift Survey (2dFGRS) and by the latest measurements of the cosmic microwave background (CMB) anisotropies. By combining the...

New upper limit on the total neutrino mass from the 2 Degree Field Galaxy Redshift Survey (2002)

Elgaroy, O., Lahav, Ofer, Percival, Will J., Peacock, John A., Madgwick, Darren, Bridle, Sarah, ...

We constrain fν≡Ων/Ωm, the fractional contribution of neutrinos to the total mass density in the Universe, by comparing the power spectrum of fluctuations derived from the 2 Degree Field Galaxy...

Evidence for a non-zero Lambda and a low matter density from a combined analysis of the 2dF Galaxy Redshift Survey and cosmic microwave background anisotropies (2002)

Efstathiou, George P., Moody, Stephen J., Peacock, John A., Percival, Will J., Baugh, Carlton, Bland-Hawthorn, Joss, ...

We perform a joint likelihood analysis of the power spectra of the 2dF Galaxy Redshift Survey (2dFGRS) and the cosmic microwave background (CMB) anisotropies under the assumptions that the initial...

The 2dF Galaxy Redshift Survey: the environmental dependence of galaxy star formation rates near clusters (2002)

Lewis, Ian, Balogh, Michael L., De Propris, Roberto, Couch, Warrick J., Bower, Richard G., Offer, Alison R., ...

We have measured the equivalent width of the Ha emission line for 11 006 galaxies brighter than Mb, = -19 (ΩΛ = 0.7, Ωm = 0.3, H0 = 70 km s-1 Mpc-1) at 0.05 < z < 0.1 in the 2dF Galaxy Redshift...

The 2dF Galaxy Redshift Survey: a targeted study of catalogued clusters of galaxies (2002)

De Propris, Roberto, Couch, Warrick J., Colless, Matthew, Dalton, Gavin B., Collins, Chris A., Baugh, Carlton, ...

We have carried out a study of known clusters within the 2dF Galaxy Redshift Survey (2dFGRS) observed areas and have identified 431 Abell, 173 APM and 343 EDCC clusters. Precise redshifts, velocity...

The 2dF Galaxy Redshift Survey: the bias of galaxies and the density of the Universe (2002)

Verde, Licia, Heavens, Alan F., Percival, Will J., Matarrese, Sabino, Baugh, Carlton, Bland-Hawthorn, Joss, ...

We compute the bispectrum of the 2dF Galaxy Redshift Survey (2dFGRS) and use it to measure the bias parameter of the galaxies. This parameter quantifies the strength of clustering of the galaxies...

Parameter constraints for flat cosmologies from cosmic microwave background and 2dFGRS power spectra (2002)

Percival, Will J., Sutherland, William J., Peacock, John A., Baugh, Carlton, Bland-Hawthorn, Joss, Bridges, Terry J., ...

We constrain flat cosmological models with a joint likelihood analysis of a new compilation of data from the cosmic microwave background (CMB) and from the 2dF Galaxy Redshift Survey (2dFGRS)....

The 2dF Galaxy Redshift Survey: the amplitudes of fluctuations in the 2dFGRS and the CMB, and implications for galaxy biasing (2002)

Lahav, Ofer, Bridle, Sarah, Percival, Will J., Peacock, John A., Efstathiou, George P., Baugh, Carlton, ...

We compare the amplitudes of fluctuations probed by the 2dF Galaxy Redshift Survey (2dFGRS) and by the latest measurements of the cosmic microwave background (CMB) anisotropies. By combining the...

New upper limit on the total neutrino mass from the 2 Degree Field Galaxy Redshift Survey (2002)

Elgaroy, O., Lahav, Ofer, Percival, Will J., Peacock, John A., Madgwick, Darren, Bridle, Sarah, ...

We constrain fν≡Ων/Ωm, the fractional contribution of neutrinos to the total mass density in the Universe, by comparing the power spectrum of fluctuations derived from the 2 Degree Field Galaxy...

Evidence for a non-zero Lambda and a low matter density from a combined analysis of the 2dF Galaxy Redshift Survey and cosmic microwave background anisotropies (2002)

Efstathiou, George P., Moody, Stephen J., Peacock, John A., Percival, Will J., Baugh, Carlton, Bland-Hawthorn, Joss, ...

We perform a joint likelihood analysis of the power spectra of the 2dF Galaxy Redshift Survey (2dFGRS) and the cosmic microwave background (CMB) anisotropies under the assumptions that the initial...

The 2dF Galaxy Redshift Survey: The amplitudes of fluctuations in the 2dFGRS and the CMB, and implications for galaxy biasing (2001)

Lahav, Ofer, Bridle, Sarah L., Percival, Will J., Peacock, John A., Efstathiou, George, Baugh, Carlton M., ...

We compare the amplitudes of fluctuations probed by the 2dF Galaxy Redshift Survey and by the latest measurements of the Cosmic Microwave Background anisotropies. By combining the 2dFGRS and CMB data...

The 2dF Galaxy Redshift Survey: The bias of galaxies and the density of the Universe (2001)

Verde, Licia, Heavens, Alan F., Percival, Will J., Matarrese, Sabino, Baugh, C. M., Bland-Hawthorn, J., ...

We compute the bispectrum of the 2dF Galaxy Redshift Survey (2dFGRS) and use it to measure the bias parameter of the galaxies. This parameter quantifies the strength of clustering of the galaxies...

The 2dF Galaxy Redshift Survey: the power spectrum and the matter content of the Universe (2001)

Percival, Will J., Baugh, Carlton M., Bland-Hawthorn, Joss, Couch, Warrick, Jackson, Carole, Peterson, Bruce A., ...

The 2dF Galaxy Redshift Survey has now measured in excess of 160000 galaxy redshifts. This paper presents the power spectrum of the galaxy distribution, calculated using a direct Fourier transform...

The 2dF Galaxy Redshift Survey: the power spectrum and the matter content of the Universe (2001)

Percival, Will J., Baugh, Carlton M., Bland-Hawthorn, Joss, Couch, Warrick, Jackson, Carole, Peterson, Bruce A., ...

The 2dF Galaxy Redshift Survey has now measured in excess of 160000 galaxy redshifts. This paper presents the power spectrum of the galaxy distribution, calculated using a direct Fourier transform...

Evidence for a non-zero Lambda and a low matter density from a combined analysis of the 2dF Galaxy Redshift Survey and Cosmic Microwave Background Anisotropies (2001)

Efstathiou, George, Moody, Stephen, Peacock, John A., Percival, Will J., Baugh, Carlton, Bland-Hawthorn, Joss, ...

We perform a joint likelihood analysis of the power spectra of the 2dF Galaxy Redshift Survey (2dFGRS) and the cosmic microwave background (CMB) anisotropies under the assumptions that the initial...

The build-up of halos within Press-Schechter theory (2001)

Percival, Will J.

Modelling the build-up of halos is important for linking the formation of galaxies with cosmological models. A simple model of halo growth is provided by Press-Schechter (PS) theory, where the...

The 2dF Galaxy Redshift Survey: The power spectrum and the matter content of the universe (2001)

Percival, Will J., Baugh, Carlton M., Bland-Hawthorn, Joss, Bridges, Terry, Cannon, Russell, Cole, Shaun, ...

The 2dF Galaxy Redshift Survey has now measured in excess of 160000 galaxy redshifts. This paper presents the power spectrum of the galaxy distribution, calculated using a direct FFT-based technique....

The 2dF Galaxy Redshift Survey: the power spectrum and the matter content of the Universe (2001)

Percival, Will J., Baugh, Carlton M., Bland-Hawthorn, Joss, Couch, Warrick, Jackson, Carole, Peterson, Bruce A., ...

The 2dF Galaxy Redshift Survey has now measured in excess of 160000 galaxy redshifts. This paper presents the power spectrum of the galaxy distribution, calculated using a direct Fourier transform...

The 2dF Galaxy Redshift Survey: the power spectrum and the matter content of the Universe (2001)

Percival, Will J., Baugh, Carlton M., Bland-Hawthorn, Joss, Couch, Warrick, Jackson, Carole, Peterson, Bruce A., ...

The 2dF Galaxy Redshift Survey has now measured in excess of 160000 galaxy redshifts. This paper presents the power spectrum of the galaxy distribution, calculated using a direct Fourier transform...

The 2dF Galaxy Redshift Survey: the power spectrum and the matter content of the Universe (2001)

Percival, Will J., Baugh, Carlton M., Bland-Hawthorn, Joss, Couch, Warrick, Jackson, Carole, Peterson, Bruce A., ...

The 2dF Galaxy Redshift Survey has now measured in excess of 160000 galaxy redshifts. This paper presents the power spectrum of the galaxy distribution, calculated using a direct Fourier transform...

The 2dF Galaxy Redshift Survey: the power spectrum and the matter content of the Universe (2001)

Percival, Will J., Baugh, Carlton, Bland-Hawthorn, Joss, Bridges, Terry J., Cannon, Russell D., Cole, Shaun, ...

The 2dF Galaxy Redshift Survey has now measured in excess of 160 000 galaxy redshifts. This paper presents the power spectrum of the galaxy distribution, calculated using a direct Fourier transform...

The 2dF Galaxy Redshift Survey: the power spectrum and the matter content of the Universe (2001)

Percival, Will J., Baugh, Carlton, Bland-Hawthorn, Joss, Bridges, Terry J., Cannon, Russell D., Cole, Shaun, ...

The 2dF Galaxy Redshift Survey has now measured in excess of 160 000 galaxy redshifts. This paper presents the power spectrum of the galaxy distribution, calculated using a direct Fourier transform...

A measurement of the cosmological mass density from clustering in the 2dF Galaxy Redshift Survey (2001)

Peacock, John A., Cole, Shaun, Norberg, Peder, Baugh, Carlton M., Bland-Hawthorn, Joss, Bridges, Terry, ...

The large-scale structure in the distribution of galaxies is thought to arise from the gravitational instability of small fluctuations in the initial density field of the Universe. A key test of this...

The 2dF Galaxy Redshift Survey: the power spectrum and the matter content of the Universe (2001)

Percival, Will J., Baugh, Carlton M., Bland-Hawthorn, Joss, Couch, Warrick, Jackson, Carole, Peterson, Bruce A., ...

The 2dF Galaxy Redshift Survey has now measured in excess of 160000 galaxy redshifts. This paper presents the power spectrum of the galaxy distribution, calculated using a direct Fourier transform...