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Related papers: PANCAKE: Python bAsed Numerical Color-magnitude-di…

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We present a comprehensive study of the applications of the pixel color-magnitude diagram (pCMD) technique for measuring star formation histories (SFHs) and other stellar population parameters of galaxies, and demonstrate that the technique…

Astrophysics of Galaxies · Physics 2019-05-15 B. A. Cook , Charlie Conroy , Pieter van Dokkum , Joshua S. Speagle

Understanding how and when galaxies formed stars over the history of the Universe is fundamental to the study of galaxy evolution. The star formation histories (SFHs) of galaxies in the local Universe can be measured with high precision…

Reproducing color-magnitude diagrams (CMDs) of star-resolved galaxies is one of the most precise methods for measuring the star formation history (SFH) of nearby galaxies back to the earliest time. The upcoming big data era poses challenges…

Astrophysics of Galaxies · Physics 2024-10-17 Yujiao Yang , Chao Liu , Ming Yang , Yun Zheng , Hao Tian

The analysis of stellar populations has, by and large, been developed for two limiting cases: spatially-resolved stellar populations in the color-magnitude diagram, and integrated light observations of distant systems. In between these two…

Astrophysics of Galaxies · Physics 2016-08-17 Charlie Conroy , Pieter van Dokkum

I present StarEstate, an open-source Python package for producing rapid, statistically robust galactic population synthesis models. By utilizing optimized pre-calculated inverse-cumulative distribution function samplers, the tool generates…

Instrumentation and Methods for Astrophysics · Physics 2025-11-27 Amedeo Romagnolo

We present spatially-resolved measurements of star formation histories (SFHs), metallicities, and distances in three nearby elliptical galaxies and the bulge of M31 derived using the pixel color-magnitude diagram (pCMD) technique. We…

Astrophysics of Galaxies · Physics 2020-04-29 B. A. Cook , Charlie Conroy , Pieter van Dokkum

Within the Local Universe galaxies can be studied in great detail star by star, and here we review the results of quantitative studies in nearby dwarf galaxies. The Color-Magnitude Diagram synthesis method is well established as the most…

Cosmology and Nongalactic Astrophysics · Physics 2010-01-15 E. Tolstoy , V. Hill , M. Tosi

We have tested the application to Sloan Digital Sky Survey data of the software package MATCH, which fits color-magnitude diagrams (CMDs) to estimate stellar population parameters and distances. These tests on a set of six globular clusters…

Dwarf galaxies may play a key role in the formation and evolution of bigger systems. This make a topic of major interest knowing how they form and evolve and, in particular, how their star formation histories (SFHs) have proceed since their…

Astrophysics · Physics 2007-05-23 A. Aparicio

Panchromatic spectral energy distribution (SED) fitting is a critical tool for determining the physical properties of distant galaxies, such as their stellar mass and star formation rate. One widely used method is the publicly available…

Astrophysics of Galaxies · Physics 2015-09-09 Daniel J. B. Smith , Christopher C. Hayward

MASSCLEAN is a new, sophisticated and robust stellar cluster image and photometry simulation package. This package is able to create color-magnitude diagrams and standard FITS images in any of the traditional optical and near-infrared bands…

Astrophysics of Galaxies · Physics 2015-05-14 Bogdan Popescu , M. M. Hanson

We present a new tool for colour-magnitude diagram (CMD) studies, $Powerful~CMD$. This tool is built on the basis of the advanced stellar population synthesis (ASPS) model, in which single stars, binary stars, rotating stars, and star…

Astrophysics of Galaxies · Physics 2017-07-19 Zhong-Mu Li , Cai-Yan Mao , Qi-Ping Luo , Zhou Fan , Wen-Chang Zhao , Li Chen , Ru-Xi Li , Jian-Po Guo

Stellar population synthesis is a crucial methodology in astrophysics, enabling the interpretation of the integrated light of galaxies and stellar clusters. By combining empirical and/or theoretical libraries of the spectral energy…

Instrumentation and Methods for Astrophysics · Physics 2025-07-30 Pablo Corcho-Caballero , Yago Ascasibar , Daniel Jiménez-López

Color-Magnitude Diagrams (CMDs) are plots that compare the magnitudes (luminosities) of stars in different wavelengths of light (colors). High nonlinear correlations among the mass, color, and surface temperature of newly formed stars…

Applications · Statistics 2016-04-26 David A. van Dyk , Steven DeGennaro , Nathan Stein , William H. Jefferys , Ted von Hippel

We present MASSCLEAN, a new, sophisticated and robust stellar cluster image and photometry simulation package. This visualization tool is able to create color-magnitude diagrams and standard FITS images in any of the traditional optical and…

Astrophysics · Physics 2015-05-13 Bogdan Popescu , M. M. Hanson

Retrieving the Star Formation History (SFH) of a galaxy out of its integrated spectrum is the central goal of stellar population synthesis. Recent advances in evolutionary synthesis models have given new breath to this old field of…

In this paper, we discuss a method to conduct a quantitative study of the star formation history (SFH) of Local Group (LG) galaxies using (HST) data. This method has proven to be successful in the analysis of the SFH of the same kind of…

Astrophysics · Physics 2009-10-30 A. Aparicio , C. Gallart , C. Chiosi , G. Bertelli

The amount of power contained in the variations in galaxy star-formation histories (SFHs) across a range of timescales encodes key information about the physical processes which modulate star formation. Modelling the SFHs of galaxies as…

Astrophysics of Galaxies · Physics 2024-04-24 Jenny T. Wan , Sandro Tacchella , Benjamin D. Johnson , Kartheik G. Iyer , Joshua S. Speagle , Roberto Maiolino

Accurate star formation histories (SFHs) of galaxies are fundamental for understanding the build-up of their stellar content. However, the most accurate SFHs - those obtained from colour-magnitude diagrams (CMDs) of resolved stars reaching…

To further our knowledge of the complex physical process of galaxy formation, it is essential that we characterize the formation and evolution of large databases of galaxies. The spectral synthesis STARLIGHT code of Cid Fernandes et al.…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 Joseph W. Richards , Peter E. Freeman , Ann B. Lee , Chad M. Schafer
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