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Recent literature suggests that there are two modes through which galaxies grow their stellar mass - a normal mode characterized by quasi-steady star formation, and a highly efficient starburst mode possibly triggered by stochastic events…

The rate of star formation varies between galaxy types and evolves with redshift. Most stars in the universe have formed in episodes of an exceptionally high star-forming activity, commonly called a starburst. We here summarize basic…

Astrophysics of Galaxies · Physics 2020-12-24 Ivana Orlitova

Two main modes of star formation are know to control the growth of galaxies: a relatively steady one in disk-like galaxies, defining a tight star formation rate (SFR)-stellar mass sequence, and a starburst mode in outliers to such a…

We study the shape and evolution of the star formation main sequence in three independently developed semi-analytic models of galaxy formation. We focus, in particular, on the characterization of the model galaxies that are significantly…

Astrophysics of Galaxies · Physics 2019-03-15 Lan Wang , Gabriella De Lucia , Fabio Fontanot , Michaela Hirschmann

By using the deepest available mid and far infrared surveys in the CANDELS, GOODS and COSMOS fields we study the evolution of the Main Sequence (MS) of star forming galaxies (SFGs) from z~0 to` ~2.5 at stellar masses larger than 10^{10}…

By compiling a comprehensive census of literature studies, we investigate the evolution of the Main Sequence (MS) of star-forming galaxies (SFGs) in the widest range of redshift ($0 < z < 6$) and stellar mass ($10^{8.5}-10^{11.5}$…

Astrophysics of Galaxies · Physics 2022-12-02 P. Popesso , A. Concas , G. Cresci , S. Belli , G. Rodighiero , H. Inami , M. Dickinson , O. Ilbert , M. Pannella , D. Elbaz

We investigate the correlation between stellar mass (M*) and star formation rate (SFR) across the stellar mass range log10(M*/Msun)~6-11. We consider almost 50,000 star-forming galaxies at z~3-7, leveraging data from COSMOS/SMUVS,…

Star-forming galaxies populate a main sequence (MS), a well-defined relation between stellar mass (M*) and star-formation rate (SFR). Starburst (SB) galaxies lie significantly above the relation whereas quenched galaxies lie below the…

Starburst (SB) galaxies are a rare population of galaxies with star formation rates (SFRs) greatly exceeding those of the majority of star-forming galaxies with similar stellar mass. It is unclear whether these bursts are the result of…

Astrophysics of Galaxies · Physics 2023-09-19 Elia Cenci , Robert Feldmann , Jindra Gensior , Jorge Moreno , Luigi Bassini , Mauro Bernardini

The Star-Forming Main Sequence (SFMS) serves as a critical framework for understanding galaxy evolution, highlighting the relationship between star formation rates (SFR) and stellar masses M_* across cosmic time. Despite its significance,…

Astrophysics of Galaxies · Physics 2026-03-10 Zhicheng He , Enci Wang , Luis C. Ho , Huiyuan Wang , Yong Shi , Xu Kong , Tinggui Wang

The star-forming main sequence of galaxies has now been observed out to redshifts of $z\sim6$ and beyond. However, it remains unclear how long typical galaxies remain on or near it as they evolve, and how frequently they return after…

Astrophysics of Galaxies · Physics 2026-05-06 Lucas C. Kimmig , Jesse van de Sande , Rhea-Silvia Remus , Klaus Dolag , Rebecca Davies , Deanne Fisher

Starbursts are episodes of intense star-formation that occur in the central regions of galaxies, and dominate the integrated emission from the galaxy. They are a significant component of the present- day universe, being the site of $\sim$…

Astrophysics · Physics 2007-05-23 Timothy M. Heckman

Starbursts are episodes of intense star-formation in the central regions of galaxies, and are the sites of roughly 25% of the high-mass star-formation in the local universe. In this contribution I review the role starbursts play in the…

Astrophysics · Physics 2009-10-31 Timothy M. Heckman

Our picture of galaxy evolution currently assumes that galaxies spend their life on the star formation main sequence (SFMS) until they are eventually quenched. However, recent observations show indications that the full picture might be…

Astrophysics of Galaxies · Physics 2026-02-04 Silvio Fortuné , Rhea-Silvia Remus , Lucas C. Kimmig , Andreas Burkert , Klaus Dolag

Characterizing the evolution of the star-forming main sequence (SFMS) at high redshift is crucial to contextualize the observed extreme properties of galaxies in the early Universe. We present an analysis of the SFMS and its scatter in the…

Starbursts are extreme concentrations of star-forming activity with mass conversion surface densities reaching over 1000 times higher than normal for disk galaxies. They are responsible for a large fraction of all cosmic star formation.…

Astrophysics · Physics 2007-05-23 Robert W. O'Connell

We describe a sub-galactic main sequence (SGMS) relating star formation rate surface density ($\Sigma_{\textrm{SFR}}$) and stellar mass density ($\Sigma_{\star}$) for distinct regions within star forming galaxies, including their nuclei. We…

Astrophysics of Galaxies · Physics 2017-01-18 A. Maragkoudakis , A. Zezas , M. L. N. Ashby , S. P. Willner

We revisit the extensively debated star-forming main sequence (SFMS)-a tight correlation between the star formation rate and stellar mass in both kiloparsec-resolved and integrated galaxies. We statistically explore the fundamental drivers…

The Main Sequence (MS) of star-forming galaxies plays a fundamental role in driving galaxy evolution and in our efforts to understand it. However, different studies find significant differences in the normalization, slope and shape of the…

Astrophysics of Galaxies · Physics 2015-03-17 Alvio Renzini , Yingjie Peng

We study the relation between stellar mass (M*) and star formation rate (SFR) for star-forming galaxies over approximately five decades in stellar mass (5.5 <~ log10(M*/Msun) <~ 10.5) at z ~ 3-6.5. This unprecedented coverage has been…

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