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Related papers: Halpha Equivalent Widths from the 3D-HST survey: e…

200 papers

We present a study of the size growth of the red sequence between $0.5<z<3,$ tracing the evolution of quiescent galaxies in both effective half-light and half-mass radii using multi-wavelength JWST/NIRCam imaging provided by the PRIMER…

In this paper we review the present status and implications of H-alpha surveys at various redshifts. With the advent of sensitive wide-format near-infrared detectors on large telescopes, deep and extensive H-alpha surveys are now feasible…

Astrophysics · Physics 2017-01-25 Paul P. van der Werf , Alan F. M. Moorwood , Lin Yan

We present new accurate measurements of the physical properties of a statistically significant sample of 103 galaxies at z~2 using near-infrared spectroscopy taken as part of the 3D-HST survey. We derive redshifts, metallicities and star…

Cosmology and Nongalactic Astrophysics · Physics 2014-04-09 F. Cullen , M. Cirasuolo , R. J. McLure , J. S. Dunlop

We determine the evolution of the galaxy luminosity function (LF) as a function of spectral type using the Autofib redshift survey, a compendium of over 1700 galaxy redshifts in various magnitude-limited samples spanning b_J=11.5-24.0. To…

Astrophysics · Physics 2015-06-24 Jeremy Heyl , Matthew Colless , Richard S. Ellis , Tom Broadhurst

The evolution in the comoving space density of the global average galaxy star formation rate (SFR) out to a redshift around unity is well established. Beyond z~1 there is growing evidence that this evolution is flat or even increasing,…

Astrophysics · Physics 2008-11-26 A. M. Hopkins

We run and analyze a suite of high-redshift zoom-in cosmological simulations with varying supernova feedback and supermassive black hole (SMBH) accretion prescriptions to study the joint evolution of stellar and SMBH mass in high-redshift…

Astrophysics of Galaxies · Physics 2026-05-07 Ziyong Wu , Renyue Cen , Romain Teyssier

We present optical and near infrared spectroscopy obtained at Keck, VLT, and Gemini for a sample of 36 secure strong gravitational lens systems and 17 candidates identified as part of the SL2S survey. The deflectors are massive early-type…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-16 Alessandro Sonnenfeld , Tommaso Treu , Raphaël Gavazzi , Sherry H. Suyu , Philip J. Marshall , Matthew W. Auger , Carlo Nipoti

We examine the UV emission from luminous early-type galaxies as a function of redshift. We perform a stacking analysis using Galaxy Evolution Explorer (GALEX) images of galaxies in the NOAO Deep Wide Field Survey (NDWFS) Bo\"otes field and…

Astrophysics · Physics 2011-02-11 David W. Atlee , Roberto J. Assef , Christopher S. Kochanek

The H-alpha (Ha) emission line in galaxies is a powerful tracer of their recent star formation activity. With the advent of JWST, we are now able to routinely observe Ha in galaxies at high redshift (z > 3) and thus measure their star…

Astrophysics of Galaxies · Physics 2026-03-11 I. G. Kramarenko , J. Rosdahl , J. Blaizot , J. Matthee , H. Katz , C. Di Cesare

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

We present the evolution of Ly$\alpha$ emission derived from 53 galaxies at $z=6.6-13.2$ that are identified by multiple JWST/NIRSpec spectroscopy programs of ERS, GO, DDT, and GTO. These galaxies fall on the star-formation main sequence…

Astrophysics of Galaxies · Physics 2024-04-01 Minami Nakane , Masami Ouchi , Kimihiko Nakajima , Yuichi Harikane , Yoshiaki Ono , Hiroya Umeda , Yuki Isobe , Yechi Zhang , Yi Xu

[abridged] We study the evolution of the Star Formation Rate Function (SFRF) of massive galaxies over the 0.4<z<1.8 redshift range and its implications for our understanding of the physical processes responsible for galaxy evolution. We use…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 Fabio Fontanot , Stefano Cristiani , Paola Santini , Adriano Fontana , Andrea Grazian , Rachel S. Somerville

We measure the redshift evolution of the bar fraction in a sample of 2380 visually selected disc galaxies found in Cosmic Evolution Survey (COSMOS) Hubble Space Telescope (HST) images. The visual classifications used to identify both the…

We use a semi-analytic model for disk galaxies to explore the origin of the time evolution and small scatter of the galaxy SFR sequence -- the tight correlation between star-formation rate (SFR) and stellar mass (M_star). The steep decline…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 Aaron A. Dutton , Frank C. van den Bosch , Avishai Dekel

We measure the angular auto-correlation functions (w) of SDSS galaxies selected to have photometric redshifts 0.1 < z < 0.4 and absolute r-band magnitudes Mr < -21.2. We split these galaxies into five overlapping redshift shells of width…

Cosmology and Nongalactic Astrophysics · Physics 2011-05-05 Ashley J. Ross , Will J. Percival , Robert J. Brunner

We present galaxy stellar mass functions (GSMFs) at $z=$ 4-8 from a rest-frame ultraviolet (UV) selected sample of $\sim$4500 galaxies, found via photometric redshifts over an area of $\sim$280 arcmin$^2$ in the CANDELS/GOODS fields and the…

We study the effects of galaxy environment on the evolution of the stellar-mass function (SMF) over 0.2 < z < 2.0 using the FourStar Galaxy Evolution (ZFOURGE) survey and NEWFIRM Medium-Band Survey (NMBS) down to the stellar-mass…

We measure the morphology-density relation of galaxies at z=1 across the full three orders of magnitude in projected galaxy density available in low-redshift studies. Our study adopts techniques that are comparable with those applied at…

Astrophysics · Physics 2010-04-06 Graham P. Smith , Tommaso Treu , Richard S. Ellis , Sean M. Moran , Alan Dressler

The scatter (${\rm\sigma_{\text{sSFR}}}$) of the specific star formation rates (sSFRs) of galaxies is a measure of the diversity in their star formation histories (SFHs) at a given mass. In this paper we employ the EAGLE simulations to…