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In this paper, we test the age matching hypothesis that the star formation rate (SFR) of a galaxy of fixed stellar mass is determined by its dark matter halo formation history, and as such, that more quiescent galaxies reside in older…

We investigate the nature of the relation among stellar mass, star-formation rate, and gas-phase metallicity (the M$_*$-SFR-Z relation) at high redshifts using a sample of 260 star-forming galaxies at $z\sim2.3$ from the MOSDEF survey. We…

Using the sample from the \it Redshift One LDSS3 Emission line Survey \rm (ROLES), we probe the dependence of star formation rate (SFR) and specific star formation rate (sSFR) as a function of stellar mass $M_*$ and environment as defined…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-20 I. H. Li , Karl Glazebrook , David Gilbank , Michael Balogh , Richard Bower , Ivan Baldry , Greg Davies , George Hau , Pat McCarthy

We present new determinations of the stellar-to-halo mass relation (SHMR) at $z=0-10$ that match the evolution of the galaxy stellar mass function, the SFR$-M_*$ relation,and the cosmic star formation rate. We utilize a compilation of 40…

Astrophysics of Galaxies · Physics 2017-06-28 Aldo Rodriguez-Puebla , Joel R. Primack , Vladimir Avila-Reese , S. M. Faber

We present a compilation of measurements of the stellar mass density as a function of redshift. Using this stellar mass history we obtain a star formation history and compare it to the instantaneous star formation history. For z<0.7 there…

Astrophysics · Physics 2009-11-13 Stephen M. Wilkins , Neil Trentham , Andrew M. Hopkins

The relation between the star formation rate and the stellar mass of star-forming galaxies has been used to argue that major mergers cannot be the main driver of star formation. Here, we re-examine these arguments using the representative…

Astrophysics of Galaxies · Physics 2015-06-19 M. Puech , F. Hammer , M. Rodrigues , S. Fouquet , H. Flores , K. Disseau

We derive a metallicity dependent relation between the surface density of the star formation rate (Sigma_{SFR}) and the gas surface density (Sigma_{g}) in a feedback regulated model of star formation in galactic disks. In this model, star…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-28 Sami Dib

Using spatially resolved H-alpha emission line maps of star-forming galaxies, we study the evolution of gradients in galaxy assembly over a wide range in redshift ($0.5<z<1.7$). Our $z\sim0.5$ measurements come from deep Hubble Space…

We investigate the relation between star formation rate (SFR) and stellar mass ($M_*$) in sub-galactic ($\sim 1$kpc) scale of 93 local ($0.01<z<0.02$) massive ($M_*>10^{10.5}M_{\odot}$) spiral galaxies. To derive spatially-resolved SFR and…

Astrophysics of Galaxies · Physics 2017-11-08 Abdurro'uf , Masayuki Akiyama

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

The analysis of galaxies on the star formation rate - stellar mass (SFR-M*) plane is a powerful diagnostic for galaxy evolution at different cosmic times. We consider a sample of 24463 galaxies from the CANDELS/GOODS-S survey to conduct a…

Astrophysics of Galaxies · Physics 2018-01-24 L. Bisigello , K. I. Caputi , N. Grogin , A. Koekemoer

We measure the specific star formation rates of \textit{K}-band selected galaxies from the ELAIS-N1 by stacking GMRT data at 610 MHz. We identify a sample of SFGs, spanning $\rm{0.1\leq\,\textit{z}\,\leq\,1.5}$ and…

Astrophysics of Galaxies · Physics 2023-07-26 E. F. Ocran , M. Vaccari , J. M. Stil , A. R. Taylor , C. H. Ishwara-Chandra , Jae-Woo Kim

The observational indications for a constant specific star-formation rate (sSFR) in the redshift range z=2-7 are puzzling in the context of current galaxy-formation models. Despite the tentative nature of the data, their marked conflict…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-27 Simone M. Weinmann , Eyal Neistein , Avishai Dekel

We present an analysis of the star formation rate in galaxies between 0.7<z<1.8 using Near Infrared Camera and Multi-Object Spectrograph (NICMOS) grism spectral observations. We detect 163 galaxies in an area of ~4.4 square arcminutes, 37…

Astrophysics · Physics 2007-05-23 A. M. Hopkins , A. J. Connolly , A. S. Szalay

We present results from SPH-cosmological simulations, including self-consistent modelling of SN feedback and chemical evolution, of galaxies belonging to two clusters and twelve groups. We reproduce the mass-metallicity (ZM) relation of…

Cosmology and Nongalactic Astrophysics · Physics 2014-09-08 A. D. Romeo Velonà , J. Sommer-Larsen , N. R. Napolitano , V. Antonuccio-Delogu , S. Cielo , I. Gavignaud

The deep, near-infrared narrow-band survey HiZELS has yielded robust samples of H-alpha emitting star-forming galaxies within narrow redshift slices at z = 0.8, 1.47 and 2.23. In this paper, we distinguish the stellar mass and…

Astrophysics of Galaxies · Physics 2018-02-28 R. K. Cochrane , P. N. Best , D. Sobral , I. Smail , J. P. Stott , D. A. Wake

We investigate the evolution of the cosmic star formation rate density (SFRD) from redshift z=20 to z=0 and compare it with the observational one by Madau and Dickinson derived from recent compilations of UV and IR data. The theoretical…

Both observations and simulations show that major tidal interactions or mergers between gas-rich galaxies can lead to intense bursts of starformation. Yet, the average enhancement in star formation rate (SFR) in major mergers and the…

ALMA observations of the long wavelength dust continuum are used to estimate the gas masses in a sample of 708 star-forming (SF) galaxies at z = 0.3 to 4.5. We determine the dependence of gas masses and star formation efficiencies (SFE=SFR…