Tonini, Chiara, Maraston, Claudia, Thomas, Daniel, Devriendt, Julien, Silk, Joe
In a recent paper we presented the first semi-analytic model of galaxy formation in which the Thermally-Pulsing Asymptotic Giant Branch phase of stellar evolution has been fully implemented. Here we...
Bell, Eric, Davis, Marc, Dey, Arjun, Van Dokkum, Pieter, Ellis, Richard, Eisenstein, Daniel, ...
Over the last decade optical spectroscopic surveys have characterized the low redshift galaxy population and uncovered populations of star-forming galaxies back to z ~ 7. This work has shown that the...
Schawinski, Kevin, Lintott, Chris J., Thomas, Daniel, Kaviraj, Sugata, Viti, Serena, Silk, Joseph, ...
Residual star formation at late times in early-type galaxies and their progenitors must be suppressed in order to explain the population of red, passively evolving systems we see today. Likewise,...
The impact of TP-AGB stars on hierarchical galaxy formation models (2008)
Tonini, Chiara, Maraston, Claudia, Devriendt, Julien, Thomas, Daniel, Silk, Joseph
The spectro-photometric properties of galaxies in galaxy formation models are obtained by combining the predicted history of star formation and mass accretion with the physics of stellar evolution...
Maraston, Claudia, Stromback, Gustav, Thomas, Daniel, Wake, David A., Nichol, Robert C.
Predicting the colors of Luminous Red Galaxies (LRGs) in the Sloan Digital Sky Survey (SDSS) has been a long-standing problem. The g,r,i colors of LRGs are inconsistent with stellar population models...
Schawinski, Kevin, Lintott, Chris J., Thomas, Daniel, Kaviraj, Sugata, Viti, Serena, Silk, Joseph, ...
Residual star formation at late times in early-type galaxies and their progenitors must be suppressed in order to explain the population of red, passively evolving systems we see today. Likewise,...
Near-Infrared Photometry of Four Stellar Clusters in the Small Magellanic Cloud (2008)
Mucciarelli, Alessio, Origlia, Livia, Maraston, Claudia, Ferraro, Francesco R.
We present high-quality J, H and K photometry of four Small Magellanic Cloud stellar clusters with intermediate ages in the 1-7 Gyr range (namely NGC 339, 361, 416 and 419) . We obtained deep...
Luminosity Function Constraints on the Evolution of Massive Red Galaxies Since z~0.9 (2008)
Cool, Richard J., Eisenstein, Daniel J., Fan, Xiaohui, Fukugita, Masataka, Jiang, Linhua, Maraston, Claudia, ...
We measure the evolution of the luminous red galaxy (LRG) luminosity function in the redshift range 0.1
Thomas H. Puzia, Roberto P. Saglia, Markus Kissler-patig, Claudia Maraston, Laura Greggio, Alvio Renzini, ...
Abstract. We present a comprehensive spectroscopic study of the integrated light of metal-rich Galactic globular clusters and the stellar population in the Galactic bulge. We measure line indices...
Observational evidence for AGN feedback in early-type galaxies (2007)
Schawinski, Kevin, Thomas, Daniel, Sarzi, Marc, Maraston, Claudia, Kaviraj, Sugata, Joo, Seok-Joo, ...
A major amendment in recent models of hierarchical galaxy formation is the inclusion of so-called AGN feedback. The energy input from an active central massive black hole is invoked to suppress star...
Integrated-light VRI imaging photometry of globular clusters in the Magellanic clouds (2006)
Goudfrooij, Paul, Gilmore, Diane, Kissler-Patig, Markus, Maraston, Claudia
We present accurate integrated-light photometry in Johnson/Cousins V, R, and I for a sample of 28 globular clusters in the Magellanic Clouds. The majority of the clusters in our sample have reliable...
Puzia, Thomas H., Kissler-Patig, Markus, Thomas, Daniel, Maraston, Claudia, Saglia, Roberto P., Bender, Ralf, ...
An analysis of ages, metallicities, and [alpha/Fe] ratios of globular cluster systems in early-type galaxies is presented, based on Lick index measurements summarized in Puzia et al. (2004, Paper I...
The epochs of early-type galaxy formation as a function of environment (2005)
Thomas, Daniel, Maraston, Claudia, Bender, Ralf, De Oliveira, Claudia Mendes
The MUNICS project: galaxy assembly at 0 < z < 1 (2005)
Drory, Niv, Bender, Ralf, Feulner, Georg, Hill, Gary J., Hopp, Ulrich, Maraston, Claudia, ...
Extremely red galaxies: dust attenuation and classification (2005)
Pierini, Daniele, Maraston, Claudia, Bender, Ralf, Witt, Adolf N.
Maraston, Claudia, Bastian, N., Saglia, R. P., Kissler-Patig, Markus, Schweizer, Francois, Goudfrooij, Paul
Evolutionary population synthesis models for a wide range of metallicities, ages, star formation histories, and Horizontal Branch morphologies, including blue morphologies at high metallicity, are...
Higher-order Balmer line indices in alpha/Fe-enhanced stellar population models (2004)
Thomas, Daniel, Maraston, Claudia, Korn, Andreas
We have computed the higher-order Balmer absorption line indices Hgamma and Hdelta (Worthey & Ottaviani 1997) for stellar population models with variable element ratios. The response of these indices...
Probing the RGB-phase transition: Near-IR photometry of six intermediate age LMC clusters (2004)
Ferraro, Francesco R., Origlia, Livia, Testa, Vincenzo, Maraston, Claudia
This is the first of a series of papers devoted to a global study of the photometric properties of the red stellar sequences in a complete sample of the Large Magellanic Cloud clusters, by means of...
TP-AGB stars to date high-redshift galaxies with the Spitzer Space Telescope (2004)
We present new stellar population models that include the contribution of the Thermally Pulsing Asymptotic Giant Branch (TP-AGB) phase also in the synthetic spectral energy distribution (SED). The...
New Clues on the Calcium Underabundance in Early-Type Galaxies (2003)
Thomas, Daniel, Maraston, Claudia, Bender, Ralf
We use our new stellar population models, which include effects from variable element abundance ratios, to model the Ca4227 absorption line indices of early-type galaxies (Trager et al.), and to...
Thomas, Daniel, Maraston, Claudia
We complement our study of alpha/Fe enhanced stellar population models of Lick absorption indices (Thomas et al. 2003) by comparing two sets of alpha/Fe enhanced models. In both models the impact on...
Stellar Population Models (2003)
This review deals with stellar population models computed by means of the evolutionary synthesis technique that was pioneered by Beatrice Tinsley roughly three decades ago. The focus is on the...
Stellar population models of Lick indices with variable element abundance ratios (2003)
Thomas, Daniel, Maraston, Claudia, Bender, Ralf
We provide the whole set of Lick indices from CN1 to TiO2 in the wavelength range 4000 less than or similar toless than or similar tolambdaless than or similar to 6500 Angstrom of simple stellar...
The puzzling small Ca II triplet absorption in elliptical galaxies (2002)
Saglia, R.P., Maraston, Claudia, Thomas, Daniel, Bender, Ralf, Colless, Matthew
not available
The puzzling small Ca II triplet absorption in elliptical galaxies (2002)
Saglia, R.P., Maraston, Claudia, Thomas, Daniel, Bender, Ralf, Colless, Matthew
not available
The puzzlingly small CaII triplet absorption in elliptical galaxies (2002)
Saglia, R. P., Maraston, Claudia, Thomas, Daniel, Bender, Ralf, Colless, Matthew
We measure the central values (within Re/8) of the CaII triplet line indices CaT* and CaT and the Paschen index PaT at 8600 AA for a 93%-complete sample of 75 nearby early-type galaxies with BT
Puzia, Thomas H., Saglia, Roberto P., Kissler-Patig, Markus, Maraston, Claudia, Greggio, Laura, Renzini, Alvio, ...
We present a comprehensive spectroscopic study of the integrated light of metal-rich Galactic globular clusters and the stellar population in the Galactic bulge. We measure line indices which are...
Stellar population models of Lick indices with variable element abundance ratios (2002)
Thomas, Daniel, Maraston, Claudia, Bender, Ralf
We provide the whole set of Lick indices from CN1 to TiO2 of Simple Stellar Population models with, for the first time, variable element abundance ratios, [alpha/Fe]=0.0, 0.3, 0.5, [alpha/Ca]=-0.1,...
The Epochs of Early-Type Galaxy Formation in Clusters and in the Field (2002)
Thomas, Daniel, Maraston, Claudia, Bender, Ralf
We compute new population synthesis models of Lick absorption line indices with variable alpha/Fe ratios and use them to derive average ages, metallicities, and alpha/Fe element enhancements for a...
The puzzling small Ca II triplet absorption in elliptical galaxies (2002)
Saglia, R.P., Maraston, Claudia, Thomas, Daniel, Bender, Ralf, Colless, Matthew
not available
The puzzlingly small Ca II triplet absorption in elliptical galaxies (2002)
Saglia, R. P., Maraston, Claudia, Thomas, Daniel, Bender, Ralf, Colless, Matthew
We measure the central values (within R-e/8) of the Ca II triplet line indices CaT* and CaT and the Paschen index PaT at 8600 Angstrom for a 93% complete sample of 75 nearby early-type galaxies with...
The puzzling small Ca II triplet absorption in elliptical galaxies (2002)
Saglia, R.P., Maraston, Claudia, Thomas, Daniel, Bender, Ralf, Colless, Matthew
not available
The puzzling small Ca II triplet absorption in elliptical galaxies (2002)
Saglia, R.P., Maraston, Claudia, Thomas, Daniel, Bender, Ralf, Colless, Matthew
not available
The Astrophysical Journal, R. P. Saglia, Claudia Maraston, Daniel Thomas, Ralf Bender, Matthew Colless
We measure the central values (within ) of the Ca ii triplet line indices CaT* and CaT and the Paschen R /8 e index PaT at 8600 A for a 93% complete sample of 75 nearby early-type galaxies with mag...
The puzzling small Ca II triplet absorption in elliptical galaxies (2002)
Saglia, R.P., Maraston, Claudia, Thomas, Daniel, Bender, Ralf, Colless, Matthew
not available
Goudfrooij, Paul, Alonso, M. Victoria, Maraston, Claudia, Minniti, Dante
The giant merger remnant galaxy NGC 1316 (Fornax A) is an ideal probe for studying the long-term effects of a past major merger on star cluster systems, given its spectroscopically derived merger age...
Strong Balmer lines in old stellar populations: No need for young ages in ellipticals? (2000)
Maraston, Claudia, Thomas, Daniel
Comparing models of Simple Stellar Populations (SSP) with observed line strengths generally provides a tool to break the age-metallicity degeneracy in elliptical galaxies. Due to the wide range of...
The uncertainties in the synthetic indices for stellar populations (1999)
Maraston, Claudia, Greggio, Laura, Thomas, Daniel
The study of line strengths in the spectra of early-type galaxies has proven to be a powerful tool for investigating the age and the metallicity of these systems. When computing models for...
Synthetic stellar mass-to-light ratios for stellar populations (1998)
Evolutionary synthesis models for stellar populations of various ages and chemical compositions are constructed with the approach described in Maraston (1998), in which the Fuel Consumption Theorem...
Evolutionary synthesis of stellar populations: a modular tool (1998)
A new tool for the Evolutionary Synthesis of Stellar Populations (EPS) is presented, which is based on three independent matrices, giving respectively: 1) the fuel consumption during each...