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Related papers: A cgi synthetic CMD calculator for the YY Isochron…

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We present EzGal, a flexible python program designed to easily generate observable parameters (magnitudes, colors, mass-to-light ratios) for any stellar population synthesis (SPS) model. As has been demonstrated by various authors, the…

Instrumentation and Methods for Astrophysics · Physics 2015-06-04 Conor Mancone , Anthony Gonzalez

The ages of star clusters and co-moving stellar groups contain essential information about the Milky Way. Their special properties make them excellent tracers of galactic structure and key components to unlocking its star formation history.…

Astrophysics of Galaxies · Physics 2024-10-02 Alena Rottensteiner , Stefan Meingast

We present our methods for generating a catalog of 7,000 synthetic images and 40,000 integrated spectra of redshift z = 0 galaxies from the Illustris Simulation. The mock data products are produced by using stellar population synthesis…

A quantitative method is presented to compare observed and synthetic colour-magnitude diagrams (CMDs). The method is based on a chi^2 merit function for a point (c_i,m_i) in the observed CMD, which has a corresponding point in the simulated…

Astrophysics · Physics 2009-10-30 Y. K. Ng

We present the underlying relations between colour-magnitude diagrams (CMDs) and synthesis models through the use of stellar luminosity distribution func- tions. CMDs studies make a direct use of the stellar luminosity distribution function…

Cosmology and Nongalactic Astrophysics · Physics 2012-08-02 Miguel Cervino , Enrique Perez , Nestor Sanchez , Carlos Roman-Zuniga , David Valls-Gabaud

In this work we introduce ProGeny, a new stellar population library (SPL) software package written in R. This release encapsulates the core software (github.com/asgr/ProGeny) to generate simple/single stellar populations and their…

Astrophysics of Galaxies · Physics 2025-05-19 A. S. G. Robotham , S. Bellstedt

Our knowledge about unresolved stellar systems comes from comparing integrated-light properties to SSP models. Therefore it is crucial to calibrate the latter as well as possible by integrated-light colors of clusters that have reliable…

Astrophysics · Physics 2009-11-13 P. Pessev , P. Goudfrooij , T. Puzia , R. Chandar

The results, obtained with the stellar population synthesis technique, are summarized for galactic structure and stellar population studies of our Galaxy. Emphasis is put on the analysis (extinction, disc structure, bar population) of the…

Astrophysics · Physics 2007-05-23 Y. K. Ng

The study of ages, helium mass fraction (Y) and chemical composition of globular clusters in dwarf galaxies is important for understanding the physical conditions at the main evolutionary stages of the host galaxies and for constraining the…

Astrophysics of Galaxies · Physics 2020-03-18 M. E. Sharina , V. V. Shimansky

This paper describes an application, called Medici, designed to produce synthetic data for social network graphs, which can be used for analysis, hypothesis testing and application development by researchers and practitioners in the field.…

Social and Information Networks · Computer Science 2021-01-07 David F. Nettleton , Sergio Nettleton , Marc Canal i Farriol

The capabilities of a high (~ 10^-9 resel^-1) contrast, narrow-field, coronagraphic instrument (CGI) on a space-based AFTA-C or probe-class EXO-C/S mission, conceived to study the diversity of exoplanets now known to exist into stellar…

Instrumentation and Methods for Astrophysics · Physics 2014-12-30 Glenn Schneider

We present the \texttt{YBC} database of stellar bolometric corrections (BCs), available at \url{http://stev.oapd.inaf.it/YBC}. We homogenize widely-used theoretical stellar spectral libraries and provide BCs for many popular photometric…

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

We announce ChromaStarPy, an integrated general stellar atmospheric modeling and spectrum synthesis code written entirely in python V. 3. ChromaStarPy is a direct port of the ChromaStarServer (CSServ) Java modeling code described in earlier…

Instrumentation and Methods for Astrophysics · Physics 2018-02-28 C. Ian Short , Jason H. T. Bayer , Lindsey M. Burns

We present SynthPop, a new open source, modular population synthesis Galactic modeling software to simulate catalogs of Milky Way stars along any sightline outward from the Sun. Motivated by a lack flexibility in existing Galactic models,…

Instrumentation and Methods for Astrophysics · Physics 2025-04-16 Jonas Klüter , Macy J. Huston , Abigail Aronica , Samson A. Johnson , Matthew Penny , Marz Newman , Farzaneh Zohrabi , Alison L. Crisp , Allison Chevis

We present here an updated description of the "Scenario Machine" code. This tool is used to carry out a population synthesis of binary stars. Previous version of the description can be found at…

Astrophysics · Physics 2015-05-13 V. M. Lipunov , K. A. Postnov , M. E. Prokhorov , A. I. Bogomazov

Stellar evolution tracks and isochrones are key inputs for a wide range of astrophysical studies; in particular, they are essential to the interpretation of photometric and spectroscopic observations of resolved and unresolved stellar…

Astrophysics · Physics 2008-11-26 Daniel Cordier , Adriano Pietrinferni , Santi Cassisi , Maurizio Salaris

We present here a fast code for creating a synthetic survey of the Milky Way. Given one or more color-magnitude bounds, a survey size and geometry, the code returns a catalog of stars in accordance with a given model of the Milky Way. The…

Astrophysics of Galaxies · Physics 2015-05-27 Sanjib Sharma , Joss Bland-Hawthorn , Kathryn V. Johnston , James Binney

This paper is the 4th in a series describing the latest additions to the BaSTI stellar evolution database, which consists of a large set of homogeneous models and tools for population synthesis studies. Here we present a new set of low and…

Astrophysics · Physics 2008-12-18 Susan M. Percival , Maurizio Salaris , Santi Cassisi , Adriano Pietrinferni