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Related papers: Spectral-based k-corrections and implications for …

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We present the galaxy stellar mass - size relation in the rest-frame near-IR ($1.5~\mu{\text{m}}$) and its evolution with redshift up to $z=2.5$. S\'ersic profiles are measured for $\sim$ $26\,000$ galaxies with stellar masses $M_\star >…

Astrophysics of Galaxies · Physics 2024-09-04 Marco Martorano , Arjen van der Wel , Maarten Baes , Eric F. Bell , Gabriel Brammer , Marijn Franx , Angelos Nersesian

The stellar mass ($M_\star$) and the star-formation rate (SFR) are among the most important features that characterize galaxies. Measuring these fundamental properties accurately is critical for understanding the present state of galaxies,…

Astrophysics of Galaxies · Physics 2023-05-03 Konstantinos Kouroumpatzakis , Andreas Zezas , Elias Kyritsis , Samir Salim , Jiri Svoboda

We present an analysis of stellar population gradients in 4,546 Early-Type Galaxies with photometry in $grizYHJK$ along with optical spectroscopy. A new approach is described which utilizes color information to constrain age and metallicity…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 F. La Barbera , R. R. de Carvalho , I. G. de la Rosa , R. R. Gal , R. Swindle , P. A. A. Lopes

Galaxies over four decades in stellar mass are shown to obey a strong correlation between u-K colors and atomic-gas-to-stellar mass ratios (G/S), using stellar mass-to-light ratios derived from optical colors. The correlation holds for G/S…

Astrophysics · Physics 2009-11-10 Sheila J. Kannappan

(Abridged) We investigate optical and near-IR color gradients in a sample of 172 low-inclination galaxies spanning Hubble types S0--Irr. The colors are compared to stellar population synthesis models from which luminosity-weighted average…

Astrophysics · Physics 2009-11-10 Lauren A. MacArthur , Stephane Courteau , Eric Bell , Jon Holtzman

We present a quantitative analysis of the morphologies for 199 nearby galaxies as parameterized with measurements of the concentration, asymmetry, and clumpiness (CAS) parameters at wavelengths from 0.15-0.85 micrometers. We find that these…

Astrophysics · Physics 2011-02-11 Violet Taylor-Mager , Christopher Conselice , Rogier Windhorst , Rolf Jansen

We analyse the B-R_c colors of galaxies as functions of luminosity and local galaxy density using a large photometric redshift catalog based on the Red-Sequence Cluster Survey. We select two samples of galaxies with a magnitude limit of…

Astrophysics · Physics 2009-11-11 H. K. C. Yee , B. C. Hsieh , Huan Lin , M. D. Gladders

In this paper we discuss the mix of star-forming and passive galaxies up to z~2, based on the first epoch VIMOS-VLT Deep Survey (VVDS) data.In agreement with previous works we find that the galaxy rest-frame color distribution follows a…

In this Letter, we present mean optical+NIR color gradient estimates for 5080 early-type galaxies (ETGs) in the grizYJHK wavebands of the Sloan Digital Sky Survey (SDSS) plus UKIRT Infrared Deep Sky Survey (UKIDSS). The color gradient is…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 La Barbera , F. , de Carvalho , R. R

We present the analysis of the fundamental plane (FP) for a sample of 19 massive red-sequence galaxies ($M_{\star} >4\times10^{10} M_{\odot}$) in 3 known overdensities at $1.39<z<1.61$ from the KMOS Cluster Survey, a guaranteed time program…

Galaxy morphology is a key parameter in galaxy evolution studies. The enormous number of galaxies which current and future surveys will observe demand of automated methods for morphological classification. Supervised learning techniques…

Astrophysics of Galaxies · Physics 2023-02-27 Helena Domínguez Sánchez , Mariangela Bernardi , Marc Huertas-Company

The color-magnitude relation (CMR) of early-type galaxies in clusters provides a powerful tool for finding clusters and determining photometric redshifts for clusters using two-filter imaging data. We demonstrate the high accuracy of…

Astrophysics · Physics 2007-05-23 H. K. C. Yee , M. D. Gladders , O. Lopez-Cruz

Using the extensive multi-wavelength data in the GOODS-North field, we construct and draw comparisons between samples of optical and near-IR selected star-forming and passively evolving galaxies at redshifts 1.4<z<2.6. We find overlap at…

Aims: There is a spatially resolved star-forming main sequence (rSFMS) and mass-metallicity relation (rMZR) of galaxies in local universe. We know that the global mass-metallicity relation (MZR) results from the integral of rMZR, and it…

Astrophysics of Galaxies · Physics 2022-05-18 Yao Yao , Guangwen Chen , Haiyang Liu , Xinkai Chen , Zesen Lin , Hong-Xin Zhang , Yulong Gao , Xu Kong

Galaxies undergoing formation and evolution can now be observed over a time baseline of some 12 Gyr. An inherent difficulty with high-redshift observations is that the objects are very faint and the best resolution (HST) is only ~0.5 kpc.…

Astrophysics · Physics 2016-01-27 Garth D. Illingworth , Rychard J. Bouwens

To understand the formation and evolution of galaxies, it is important to have a full comprehension of the role played by the metallicity, star formation rate (SFR), morphology, and color. The interplay of these parameters at different…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-18 M. A. Lara-Lopez , A. Bongiovanni , J. Cepa , A. M. Perez Garcia , M. Sanchez-Portal , H. O. Castaneda , M. Fernandez Lorenzo , M. Povic

We use a sample of about 48,000 SDSS early-type galaxies to show that older galaxies have smaller half-light radii re and larger velocity dispersions sigma than younger ones of the same stellar mass Mstar. We use the age-corrected…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 Francesco Shankar , Mariangela Bernardi

We examine how the spatial correlation function of galaxies from the CNOC2 Field Galaxy Redshift Survey depends on galaxy color, luminosity and redshift. The projected correlation function w_p is determined for volume-limited samples of…