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Open AccessJournal ArticleDOI

Structural and Star-forming Relations since z similar to 3: Connecting Compact Star-forming and Quiescent Galaxies

TLDR
In this article, the authors study the evolution of scaling relations that compare the effective density (Sigma(e), r 9.6 -9.3M(circle dot) kpc(-2), allowing the most efficient identification of compact SFGs and quiescent galaxies at every redshift.
Abstract
We study the evolution of the scaling relations that compare the effective density (Sigma(e), r 9.6 -9.3M(circle dot) kpc(-2), allowing the most efficient identification of compact SFGs and quiescent galaxies at every redshift.

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Improving galaxy morphologies for SDSS with Deep Learning

TL;DR: A morphological catalogue for 670,000 galaxies in the Sloan Digital Sky Survey in two flavours: T-Type, related to the Hubble sequence, and Galaxy Zoo 2 (GZ2 hereafter) classification scheme, provided by combining accurate existing visual classification catalogues with machine learning.
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Star formation is boosted (and quenched) from the inside-out: radial star formation profiles from MaNGA

TL;DR: In this paper, the authors investigated the SFR profiles of 864 galaxies as a function of their position relative to the global star forming main sequence (Delta SFR), and found that for quiescent/passive galaxies that lie at least a factor of 10 below the global main sequence, there is an analogous deficit of star formation throughout the galaxy with the lowest values of Delta Sigma_SFR in the central 3 kpc.
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Morphology and star formation in IllustrisTNG: the build-up of spheroids and discs

TL;DR: In this paper, a kinematical decomposition of the stellar component into a spheroidal and a disc component (spheroid-to-total ratio, S/T) and the concentration of stellar mass density profile (C_{82}$) was proposed to quantify the relationship between galaxy morphology and star formation.
References
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Journal ArticleDOI

CANDELS Multiwavelength Catalogs: Source Identification and Photometry in the CANDELS UKIDSS Ultra-deep Survey Field

TL;DR: In this paper, the authors present a multiwavelength catalog of the UKIRT Infrared Deep Sky Survey (UKIDSS) Ultra-Deep Survey field observed as part of the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey (CANDELS).
Journal ArticleDOI

Morphological Evolution and the Ages of Early-Type Galaxies in Clusters

TL;DR: In this article, the effects of morphological evolution on the observed photometric properties of early-type galaxies in distant clusters are quantified and the effect of the progenitor bias on the evolution of the mean M/L ratio and color can be estimated.
Journal ArticleDOI

The evolving relations between size, mass, surface density, and star formation in 3x10^4 galaxies since z=2

TL;DR: In this paper, the authors investigate the correlations between star formation and galaxy structural parameters (size, stellar mass, and surface density) from z = 2 to the present, and find that massive quiescent galaxies (i.e., those with little or no star formation) occupy the extreme high end of the surface density distribution and follow a tight mass-size correlation, while star-forming galaxies show a broad range of both densities and sizes.
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