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Photometric data of galaxies covering the rest-frame wavelength range from far-UV to far-IR make it possible to derive galaxy properties with a high reliability by fitting the attenuated stellar emission and the related dust emission at the…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 S. Noll , D. Burgarella , E. Giovannoli , V. Buat , D. Marcillac , J. C. Munoz-Mateos

We present CIGALE (Burgarella et al. 2005; Noll et al. 2009), a software developed at the Laboratoire d'Astrophysique de Marseille to fit galaxy spectral energy distributions from the rest-frame far-UV to far-IR wavelength range, and to…

Cosmology and Nongalactic Astrophysics · Physics 2011-11-07 Yannick Roehlly , Denis Burgarella , Véronique Buat , Élodie Giovannoli , Stefan Noll , Paolo Serra

Modern and future surveys effectively provide a panchromatic view for large numbers of extragalactic objects. Consistently modeling these multiwavelength survey data is a critical but challenging task for extragalactic studies. The Code…

We present a new-generation tool to model and interpret spectral energy distributions (SEDs) of galaxies, which incorporates in a consistent way the production of radiation and its transfer through the interstellar and intergalactic media.…

Astrophysics of Galaxies · Physics 2016-10-06 Jacopo Chevallard , Stéphane Charlot

Galaxy evolution is a complex process where both the inner evolution of stellar population, gas and dust, and the external effects, like interactions and exchanges with the environment, have to be taken into account. It has been fundamental…

Astrophysics · Physics 2007-05-23 Gilles Theureau

Fostered by upcoming data from new generation observational campaigns, we are about to enter a new era for the study of how galaxies form and evolve. The unprecedented quantity of data that will be collected, from distances only marginally…

We present pcigale, the port to Python of CIGALE (Code Investigating Galaxy Emission) a Fortran spectral energy distribution (SED) fitting code developed at the Laboratoire d'Astrophysique de Marseille. After recalling the specifics of the…

Instrumentation and Methods for Astrophysics · Physics 2013-09-26 Yannick Roehlly , Denis Burgarella , Véronique Buat , Médéric Boquien , Laure Ciesla , Sébastien Heinis

Using the CIGALE software, we present the preliminary results of a multiwavelength analysis of eighteen low-redshift isolated galaxies with active nuclei (isolated AGNs). This sample was formed by cross-matching the 2MIG isolated AGNs…

Astrophysics of Galaxies · Physics 2025-11-26 O. Kompaniiets

We present a simple, largely empirical but physically motivated model, which is designed to interpret consistently multi-wavelength observations from large samples of galaxies in terms of physical parameters, such as star formation rate,…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 Elisabete da Cunha , Stephane Charlot , David Elbaz

A code computing consistently the evolution of stars, gas and dust, as well as the energy they radiate, is required to derive reliably the history of galaxies by fitting synthetic SEDs to multiwavelength observations. The new code…

Astrophysics of Galaxies · Physics 2019-03-27 Michel Fioc , Brigitte Rocca-Volmerange

Luminous InfraRed Galaxies (LIRGs) are particularly important for studying the build-up of the stellar mass from z=1 to z=0. We perform a multiwavelength study of an LIRGs sample in the Extended Chandra Deep Field South at z=0.7, selected…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 Elodie Giovannoli , Véronique Buat , Stefan Noll , Denis Burgarella , Benjamin Magnelli

CIGALE is a powerful multiwavelength spectral energy distribution (SED) fitting code for extragalactic studies. However, the current version of CIGALE is not able to fit X-ray data, which often provide unique insights into AGN intrinsic…

Astrophysics of Galaxies · Physics 2020-01-24 Guang Yang , M. Boquien , V. Buat , D. Burgarella , L. Ciesla , F. Duras , M. Stalevski , W. N. Brandt , C. Papovich

We introduce PyMGal, a Python package for generating optical mock observations of galaxies from hydrodynamical simulations. PyMGal reads the properties of stellar particles from these simulations and generates spectral energy distributions…

Astrophysics of Galaxies · Physics 2025-07-02 Patrick Janulewicz , Weiguang Cui

Radio continuum observations have proven to be a workhorse in our understanding of the star formation process (i.e., stellar birth and death) from galaxies both in the nearby universe and out to the highest redshifts. In this article we…

The nearby universe remains the best laboratory to understand physical properties of galaxies and is a reference for any comparison with high redshift observations. The all sky (or very large) surveys performed from the ultraviolet (UV) to…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-27 V. Buat , E. Giovannoli , T. T. Takeuchi , S. Heinis , F. T. Yuan , D. Burgarella , S. Noll , J. Iglesias-Paramo

This study presents a comprehensive analysis of the infrared (IR) luminosity functions (LF) of star-forming (SF) galaxies and active galactic nuclei (AGN) using data from the ZFOURGE survey. We employ CIGALE to decompose the spectral energy…

Astrophysics of Galaxies · Physics 2025-05-14 Daniel J. Lyon , Michael J. Cowley , Oliver Pye , Andrew M. Hopkins

We compare the spectral energy distributions (SEDs) and inferred physical properties for simulated and observed galaxies at low redshift. We exploit UV-submillimetre mock fluxes of ~7000 z=0 galaxies from the EAGLE suite of cosmological…

The sensitivity and angular resolution of photometric surveys executed by the Hubble Space Telescope (HST) enable studies of individual star clusters in galaxies out to a few tens of megaparsecs. The fitting of spectral energy distributions…

Galaxy formation and evolution is one of the most active areas of research in astronomy. In recent times there have been several developments on the observational fronts particularly with the discovery of several relations between galaxy…

Astrophysics of Galaxies · Physics 2026-05-06 Kenil Rajendrabhai Ajudiya
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