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Many investigations of star formation rates (SFRs) in galaxies have explored details of dust obscuration, with a number of recent analyses suggesting that obscuration appears to increase in systems with high rates of star formation. To date…

Astrophysics · Physics 2008-12-18 J. Afonso , A. Hopkins , B. Mobasher , C. Almeida

(Abridged) We present in this paper a detailed analysis of the effect of environment on the star-formation activity of galaxies within the EDR of the SDSS. We have used the Halpha emission line to derive the star-formation rate (SFR) for…

Two currently debated problems in galaxy evolution, the fundamentally local or global nature of the main sequence of star formation and the evolution of the mass-size relation of star forming galaxies (SFGs), are shown to be intimately…

Astrophysics of Galaxies · Physics 2021-10-13 Gabriele Pezzulli

Constraining the star formation histories (SFHs) of individual galaxies is crucial to understanding the mechanisms that regulate their evolution. Here, we combine multi-wavelength (ultraviolet, optical, and infrared) measurements of a very…

Astrophysics of Galaxies · Physics 2016-06-15 Camilla Pacifici , Sree Oh , Kyuseok Oh , Jaehyun Lee , Sukyoung K. Yi

I review measurements of star formation in nearby galaxies in the UV-to-FIR wavelength range, and discuss their impact on SFR determinations in intermediate and high redshift galaxy populations. Existing and upcoming facilities will enable…

Astrophysics · Physics 2010-11-11 D. Calzetti

Determination of the star formation rate can be done using mid-IR photometry or Balmer line luminosity after a proper correction for extinction effects. Both methods show convergent results while those based on UV or on [OII]3727…

The relation between the Star Formation Rate (SFR) and stellar mass (${\rm M}_{\star}$) of galaxies represents a fundamental constraint on galaxy formation and has been studied extensively both in observations and cosmological simulations.…

Astrophysics of Galaxies · Physics 2016-07-06 A. Katsianis , E. Tescari , J. S. B. Wyithe

Galaxy star formation rates (SFRs) are sensitive to the local environment; for example, the high-density regions at the cores of dense clusters are known to suppress star formation. It has been suggested that galaxy transformation occurs…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-28 K. Tyler , G. H. Rieke , D. J. Wilman , S. L. McGee , R. G. Bower , L. Bai , J. S. Mulchaey , L. C. Parker , Y. Shi , D. Pierini

We analyze the star formation history (SFH) of galaxies as a function of present-day environment, galaxy stellar mass and morphology. The SFH is derived by means of a non-parametric spectrophotometric model applied to individual galaxies at…

Abell 1767 is a dynamically relaxed, cD cluster of galaxies with a redshift of 0.0703. Among 250 spectroscopically confirmed member galaxies within a projected radius of 2.5r_{200}, 243 galaxies (~ 97%) are spectroscopically covered by the…

Astrophysics of Galaxies · Physics 2015-11-11 Peng-Fei Yan , Feng Li , Qi-Rong Yuan

Deep galaxy counts are among the best constraints on the cosmic star formation history (SFH) of galaxies. The evolution of the star formation activity is followed on a wide range of redshifts (0< z < 4) covering most of the history of the…

Astrophysics · Physics 2009-10-31 Brigitte Rocca-Volmerange , Michel Fioc

Star formation plays a central role in the evolution of galaxies and of the Universe as a whole. Studies of star-forming regions in the local universe have shown that star formation typically occurs in a clustered fashion. Building a…

This review aims to give an overview of the contribution of the Hubble Space Telescope to our understanding of the detailed properties of Local Group dwarf galaxies and their older stellar populations. The exquisite stable high spatial…

Astrophysics · Physics 2007-05-23 Eline Tolstoy

Star formation rate (SFR) distributions of galaxies are often assumed to be bimodal with modes corresponding to star-forming and quiescent galaxies, respectively. Both classes of galaxies are typically studied separately and SFR…

Astrophysics of Galaxies · Physics 2017-07-26 Robert Feldmann

The formation and evolution of disk galaxies in the cosmological context is studied. We consider the observable properties of disk galaxies and treat the disk formation and galactic evolutionary processes in a self-consistent fashion. We…

Astrophysics · Physics 2007-05-23 Claudio Firmani , Vladimir Avila-Reese , Xavier Hernández

Estimates of the integrated (SFR) and specific (sSFR) rates of star formation are given for 181 galaxies of later Sc, Scd, and Sd types seen almost face-on. Their SFRs were determined from FUV fluxes in the GALEX survey. The median values…

Astrophysics of Galaxies · Physics 2020-06-17 V. E. Karachentseva , I. D. Karachentsev , O. G. Kashibadze

This paper presents the spatially resolved star formation history (SFH) of nearby galaxies with the aim of furthering our understanding of the different processes involved in the formation and evolution of galaxies. To this end, we apply…

Understanding the complicated processes that regulate star formation and cause a galaxy to become quiescent is key to our comprehension of galaxy evolution. We used eight well resolved star-forming z$<$ 0.3 galaxies from the UVCANDELS…

We attempt to determine the dominant processes acting on star-forming disk galaxies as a result of the cluster environment by studying the normalised rates and radial distributions of star formation in galaxies within low-redshift clusters.…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-15 C. F. Bretherton , C. Moss , P. A. James

Stars form in embedded star clusters which play a key role in determining the properties of a galaxy's stellar population. Physical mechanisms discussed in this paper are runaway stars shot out from young clusters, binary-star disruption in…

Astrophysics · Physics 2016-01-27 Pavel Kroupa