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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

Bulge formation by the coalescence of giant clumps in primordial disk galaxies

TL;DR: In this article, the observations and evolution of clumpy, high-redshift galaxies are reviewed and models suggest that the clumps form by gravitational instabilities in a gas-rich disk, interact with each other gravitationally, and then merge in the center where they form a bulge.
Journal ArticleDOI

A Critical Assessment of Photometric Redshift Methods: A CANDELS Investigation

TL;DR: In this paper, the results from 11 participants, each using a different combination of photometric redshift code, template spectral energy distributions (SEDs), and priors, are used to examine the properties of photometrically redshifts applied to deep fields with broadband multi-wavelength coverage.
Journal ArticleDOI

The number density and mass density of star-forming and quiescent galaxies at 0.4 < z < 2.2

TL;DR: In this paper, the build-up of the bimodal galaxy population using the NEWFIRM Medium-Band Survey was studied, which provides excellent redshifts and well-sampled spectral energy distributions of ~27,000 galaxies with K 3 10^11 solar masses.
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