Tojeiro, Rita, Wilkins, Stephen, Heavens, Alan F., Panter, Ben, Jimenez, Raul
We applied the VESPA algorithm to the Sloan Digital Sky Survey final data release of the Main Galaxies and Luminous Red Galaxies samples. The result is a catalogue of stellar masses, detailed star...
First lensing measurements of SZ-discovered clusters (2009)
McInnes, Rachel N., Menanteau, Felipe, Heavens, Alan F., Hughes, John P., Jimenez, Raul, Massey, Richard, ...
We present the first lensing mass measurements of Sunyaev-Zel'dovich (SZ) selected clusters. Using optical imaging from the Southern Cosmology Survey (SCS), we present weak lensing masses for three...
Physical Classification of Galaxies with MOPED/VESPA (2008)
Jimenez, Raul, Heavens, Alan F., Panter, Ben, Tojeiro, Rita
The availability of high-quality spectra for a large number of galaxies in the SDSS survey allows for a more sophisticated extraction of information about their stellar populations than, e.g., the...
On lensing by a cosmological constant (2008)
Simpson, Fergus, Peacock, John A., Heavens, Alan F.
Several recent papers have suggested that the cosmological constant influences the gravitational deflection of light; we reach a different conclusion. We begin by recasting a linearly perturbed FRW...
The Cosmic Evolution of Metallicity from the SDSS Fossil Record (2008)
Panter, Benjamin, Jimenez, Raul, Heavens, Alan F., Charlot, Stephane
We present the time evolution of the stellar metallicity for SDSS galaxies, a sample that spans five orders of magnitude in stellar mass (10^7 - 10^{12} Msun). Assuming the BC03 stellar population...
The role of spin in the formation and evolution of galaxies (2008)
Berta, Zachory K., Jimenez, Raul, Heavens, Alan F., Panter, Ben
Using the SDSS spectroscopic sample, we estimate the dark matter halo spin parameter lambda for ~53,000 disk galaxies for which MOPED star formation histories are available. We investigate the...
Evidence for short-lived SN Ia progenitors (2007)
Aubourg, Eric, Tojeiro, Rita, Jimenez, Raul, Heavens, Alan F., Strauss, Michael A., Spergel, David N.
We use the VESPA algorithm and spectra from the Sloan Digital Sky Survey to investigate the star formation history of the host galaxies of 257 Type Ia supernovae. We find 5$\sigma$ evidence for a...
Recovering galaxy star formation and metallicity histories from spectra using VESPA (2007)
Tojeiro, Rita, Heavens, Alan F., Jimenez, Raul, Panter, Ben
We introduce VErsatile SPectral Analysis (VESPA): a new method which aims to recover robust star formation and metallicity histories from galactic spectra. VESPA uses the full spectral range to...
The star formation histories of galaxies in the sloan digital sky survey (2007)
Panter, Benjamin, Jimenez, Paul, Heavens, Alan F., Charlot, Stephane
The ages metallicities, and star formation histories of early-type galaxies in the SDSS (2007)
Jimenez, Raul, Bernardi, Mariangela, Haiman, Zoltan, Panter, Ben, Heavens, Alan F.
The ages, metallicities and star formation histories of early-type galaxies in SDSS (2006)
Jimenez, Raul, Bernardi, Mariangela, Haiman, Zoltan, Panter, Ben, Heavens, Alan F.
We use the spectra of ~ 22,000 early-type galaxies, selected from the Sloan Digital Sky Survey, to infer the ages, metallicities and star formation histories of these galaxies. We find clear evidence...
The star formation histories of galaxies in the Sloan Digital Sky Survey (2006)
Panter, Ben, Jimenez, Raul, Heavens, Alan F., Charlot, Stephane
We present the results of a MOPED analysis of ~3 x 10^5 galaxy spectra from the Sloan Digital Sky Survey Data Release Three (SDSS DR3), with a number of improvements in data, modelling and analysis...
Environment and the cosmic evolution of star formation (2006)
Sheth, Ravi K., Jimenez, Raul, Panter, Ben, Heavens, Alan F.
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...
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...
Star Formation and Metallicity History of the SDSS galaxy survey: unlocking the fossil record (2002)
Panter, Benjamin, Heavens, Alan F., Jimenez, Raul
Using MOPED we determine non-parametrically the star-formation and metallicity history of over 37,000 high-quality galaxy spectra from the Sloan Digital Sky Survey (SDSS) early data release. We use...
Mann, Robert G., Oliver, Seb, Carballo, Ruth, Franceschini, Alberto, Rowan-Robinson, Michael, Heavens, Alan F., ...
We present results from a deep mid-infrared survey of the Hubble Deep Field South (HDF-S) region performed at 6.7 and 15mum with the ISOCAM instrument on board the Infrared Space Observatory (ISO )....
The 2dF Galaxy Redshift Survey: the bias of galaxies and the density of the Universe (2002)
Verde, Licia, Heavens, Alan F., Colless, Matthew, Jackson, Carole, Peterson, Bruce A. (et Al.)
not available
The 2dF Galaxy Redshift Survey: the bias of galaxies and the density of the Universe (2002)
Verde, Licia, Heavens, Alan F., Colless, Matthew, Jackson, Carole, Peterson, Bruce A. (et Al.)
not available
The 2dF Galaxy Redshift Survey: the bias of galaxies and the density of the Universe (2002)
Verde, Licia, Heavens, Alan F., Colless, Matthew, Jackson, Carole, Peterson, Bruce A. (et Al.)
not available
Mann, Robert G., Oliver, Seb, Carballo, Ruth, Franceschini, Alberto, Rowan-Robinson, Michael, Heavens, Alan F., ...
We present results from a deep mid-infrared survey of the Hubble Deep Field South (HDF-S) region performed at 6.7 and 15 mum with the ISOCAM instrument on board the Infrared Space Observatory (ISO )....
The 2dF Galaxy Redshift Survey: the bias of galaxies and the density of the Universe (2002)
Verde, Licia, Heavens, Alan F., Colless, Matthew, Jackson, Carole, Peterson, Bruce A. (et Al.)
not available
The 2dF Galaxy Redshift Survey: the bias of galaxies and the density of the Universe (2002)
Verde, Licia, Heavens, Alan F., Colless, Matthew, Jackson, Carole, Peterson, Bruce A. (et Al.)
not available
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...
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...
The 2dF Galaxy Redshift Survey: the bias of galaxies and the density of the Universe (2002)
Verde, Licia, Heavens, Alan F., Colless, Matthew, Jackson, Carole, Peterson, Bruce A. (et Al.)
not available
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...
Fast Parameter Estimation from the CMB Power Spectrum (2001)
Gupta, Sujata, Heavens, Alan F.
The statistical properties of a map of the primary fluctuations in the cosmic microwave background (CMB) may be specified to high accuracy by a few thousand power spectra measurements, provided the...
Testing dark matter with high-redshift supernovae (2001)
Minty, Elspeth M., Heavens, Alan F., Hawkins, Michael R. S.
Dark matter in the Universe consisting of macroscopic objects such as primordial black holes may cause gravitational lensing of distant objects. The magnification associated with lensing will lead to...
F stars, metallicity, and the ages of red galaxies at z > 1 (2001)
Nolan, Louisa A., Dunlop, James S., Jimenez, Raul, Heavens, Alan F.
We explore whether the rest-frame near-UV spectral region, observable in high-redshift galaxies via optical spectroscopy, contains sufficient information to allow the degeneracy between age and...
On the trispectrum as a gaussian test for cosmology (2001)
Verde, Licia, Heavens, Alan F.
In the standard model for structure formation, bound objects originate from the gravitational collapse of small perturbations arising from quantum fluctuations with random phases. In other scenarios,...
Detection Limits for Super-Hubble Suppression of Causal Fluctuations (2000)
Berera, Arjun, Heavens, Alan F.
We investigate to what extent future microwave background experiments might be able to detect a suppression of fluctuation power on large scales in flat and open universe models. Such suppression...
Full-sky correlations of peaks in the microwave background (2000)
Heavens, Alan F., Gupta, Sujata
We compute precise predictions for the two-point correlation function of local maxima (or minima) in the temperature of the microwave background, under the assumption that it is a random gaussian...
Projected bispectrum in spherical harmonics and its application to angular galaxy catalogues (2000)
Verde, Licia, Heavens, Alan F., Matarrese, Sabino
We present a theoretical and exact analysis of the bispectrum of projected galaxy catalogues. The result can be generalized to evaluate the projection in spherical harmonics of any 3D bispectrum and...
The correlation of peaks in the microwave background (1999)
Heavens, Alan F., Sheth, Ravi K.
We present accurate predictions of the correlation function of hotspots in the microwave background radiation for gaussian theories such as those predicted in most inflation models. The correlation...
Large-scale bias in the Universe II: redshift space bispectrum (1998)
Verde, Licia, Heavens, Alan F., Matarrese, Sabino, Moscardini, Lauro
The determination of the density parameter $\Omega_0$ from the large-scale distribution of galaxies is one of the major goals of modern cosmology. However, if galaxies are biased tracers of the...
Karhunen-loeve eigenvalue problems in cosmology: How should we tackle large data sets (1997)
Max Tegmark, Andy N. Taylor, Alan F. Heavens, Fohringer Ring
Submitted to ApJ. Available from h t t p://www.mpa-garching.mpg.de/~max/karhunen.html (faster from Europe) and from h t t p://www.sns.ias.edu/~max/karhunen.html (faster from the US).