相关论文: Pixel-z: Studying Substructure and Stellar Populat…

Early-type galaxies in the PEARS survey: Probing the stellar populations at moderate redshift

Using HST/ACS slitless grism spectra from the PEARS program, we study the stellar populations of morphologically selected early-type galaxies in the GOODS North and South fields. The sample - extracted from a visual classification of the…

宇宙学与河外天体物理 · 物理学 2015-05-13 Ignacio Ferreras , Anna Pasquali , Sangeeta Malhotra , James Rhoads , Seth Cohen , Rogier Windhorst , Nor Pirzkal , Norman Grogin , Anton M. Koekemoer , Thorsten Lisker , Nino Panagia , Emanuele Daddi , Nimish P. Hathi

Ameliorating Systematic Uncertainties in the Angular Clustering of Galaxies: A Study using SDSS-III

We investigate the effects of potential sources of systematic error on the angular and photometric redshift, z_phot, distributions of a sample of redshift 0.4 < z < 0.7 massive galaxies whose selection matches that of the Baryon Oscillation…

宇宙学与河外天体物理 · 物理学 2015-05-28 Ashley J Ross , Shirley Ho , Antonio J. Cuesta , Rita Tojeiro , Will J. Percival , David Wake , Karen L. Masters , Robert C. Nichol , Adam D. Myers , Fernando de Simoni , Hee Jong Seo , Carlos Hernandez-Monteagudo , Robert Crittenden , Michael Blanton , J. Brinkmann , Luiz A. N. da Costa , Hong Guo , Eyal Kazin , Marcio A. G. Maia , Claudia Maraston , Nikhil Padmanabhan , Francisco Prada , Beatriz Ramos , Ariel Sanchez , Edward F. Schlafly , David J. Schlegel , Donald P. Schneider , Ramin Skibba , Daniel Thomas , Benjamin A. Weaver , Martin White , Idit Zehavi

Comparing Dynamical and Photometric Mass Estimates of Low- and High-Redshift Galaxies: Random and Systematic Uncertainties

We determine the importance of redshift-dependent systematic effects in the determination of stellar masses from broad band spectral energy distributions (SEDs), using high quality kinematic and photometric data of early-type galaxies at…

天体物理学 · 物理学 2011-02-11 Arjen van der Wel , Marijn Franx , Stijn Wuyts , Pieter G. van Dokkum , Jiasheng Huang , Hans-Walter Rix , Garth D. Illingworth

SPIDER - V. Measuring Systematic Effects in Early-Type Galaxy Stellar Masses from Photometric SED Fitting

We present robust statistical estimates of the accuracy of early-type galaxy stellar masses derived from spectral energy distribution (SED) fitting as functions of various empirical and theoretical assumptions. Using large samples…

宇宙学与河外天体物理 · 物理学 2015-05-28 R. Swindle , R. R. Gal , F. La Barbera , R. R. de Carvalho

Near-infrared and optical broadband surface photometry of 86 face-on disk dominated galaxies. IV. Using color profiles to study stellar and dust content of galaxies

The stellar and dust content of spiral galaxies as function of radius has been investigated using near-infrared and optical broadband surface photometry of 86 face-on spiral galaxies. Colors of galaxies correlate with the azimuthally…

天体物理学 · 物理学 2009-05-29 Roelof S. de Jong

Galaxy properties in different environments up to z ~ 3 in the GOODS NICMOS Survey

We study the relationship between galaxy colour, stellar mass, and local galaxy density in a deep near-infrared imaging survey up to a redshift of z~3 using the GOODS NICMOS Survey (GNS). The GNS is a deep near-infrared Hubble Space…

宇宙学与河外天体物理 · 物理学 2015-05-20 Ruth Grützbauch , Robert W. Chuter , Christopher J. Conselice , Amanda E. Bauer , Asa F. L. Bluck , Fernando Buitrago , Alice Mortlock

Structure Through Colour: A Pixel Approach Towards Understanding Galaxies

We present a study of pixel Colour Magnitude Diagrams (pCMDs) for a sample of 69 nearby galaxies chosen to span a wide range of Hubble types. Our goal is to determine how useful a pixel approach is for studying galaxies according to their…

天体物理学 · 物理学 2009-11-13 M. M. Lanyon-Foster , C. J. Conselice , M. R. Merrifield

A Near-Infrared Spectroscopic Survey of K-selected Galaxies at z~2.3: Redshifts and Implications for Broadband Photometric Studies

Using the Gemini Near-InfraRed Spectrograph (GNIRS), we have completed a near-infrared spectroscopic survey for K-bright galaxies at z~2.3, selected from the MUSYC survey. We derived spectroscopic redshifts from emission lines or from…

天体物理学 · 物理学 2009-11-13 Mariska Kriek , Pieter G. van Dokkum , Marijn Franx , Garth D. Illingworth , Danilo Marchesini , Ryan Quadri , Gregory Rudnick , Edward N. Taylor , Natascha M. Forster Schreiber , Eric Gawiser , Ivo Labbe , Paulina Lira , Stijn Wuyts

Missing Stellar Mass in SED Fitting: Spatially Unresolved Photometry can Underestimate Galaxy Masses

We fit model spectral energy distributions to each pixel in 67 nearby (<z>=0.0057) galaxies using broadband photometry from the Sloan Digital Sky Survey and GALEX. For each galaxy, we compare the stellar mass derived by summing the mass of…

星系天体物理 · 物理学 2015-07-15 Robert Sorba , Marcin Sawicki

The VIMOS Public Extragalactic Redshift Survey (VIPERS). The coevolution of galaxy morphology and colour to z~1

We explore the evolution of the statistical distribution of galaxy morphological properties and colours over the redshift range $0.5<z<1$, combining high-quality imaging data from the CFHT Legacy Survey with the large number of redshifts…

星系天体物理 · 物理学 2017-02-15 J. Krywult , L. A. M. Tasca , A. Pollo , D. Vergani , M. Bolzonella , I. Davidzon , A. Iovino , A. Gargiulo , C. P. Haines , M. Scodeggio , L. Guzzo , G. Zamorani , B. Garilli , B. R. Granett , S. de la Torre , U. Abbas , C. Adami , D. Bottini , A. Cappi , O. Cucciati , P. Franzetti , A. Fritz , V. Le Brun , O. Le Fèvre , D. Maccagni , K. Małek , F. Marulli , M. Polletta , R. Tojeiro , A. Zanichelli , S. Arnouts , J. Bel , E. Branchini , G. De Lucia , O. Ilbert , H. J. McCracken , L. Moscardini , T. T. Takeuchi

Spot the difference. Impact of different selection criteria on observed properties of passive galaxies in zCOSMOS 20-k sample

We present the analysis of photometric, spectroscopic, and morphological properties for differently selected samples of passive galaxies up to z=1 extracted from the zCOSMOS-20k spectroscopic survey. This analysis intends to explore the…

宇宙学与河外天体物理 · 物理学 2013-10-04 M. Moresco , L. Pozzetti , A. Cimatti , G. Zamorani , M. Bolzonella , F. Lamareille , M. Mignoli , E. Zucca , S. J. Lilly , C. M. Carollo , T. Contini , J. -P. Kneib , O. Le Fevre , V. Mainieri , A. Renzini , M. Scodeggio , S. Bardelli , A. Bongiorno , K. Caputi , O. Cucciati , S. de la Torre , L. de Ravel , P. Franzetti , B. Garilli , A. Iovino , P. Kampczyk , C. Knobel , K. Kovac , J. -F. Le Borgne , V. Le Brun , C. Maier , R. Pello' , Y. Peng , E. Perez-Montero , V. Presotto , J. D. Silverman , M. Tanaka , L. Tasca , L. Tresse , D. Vergani , L. Barnes , R. Bordoloi , A. Cappi , C. Diener , A. M. Koekemoer , E. Le Floch , C. Lopez-Sanjuan , H. J. McCracken , P. Nair , P. Oesch , C. Scarlata , N. Scoville , N. Welikala

A Comprehensive Study of Large Scale Structures in the GOODS-SOUTH Field up to z \sim 2.5

The aim of this paper is to identify and study the properties and galactic content of groups and clusters in the GOODS-South field up to z\sim2.5, and to analyse the physical properties of galaxies as a continuous function of environmental…

宇宙学与河外天体物理 · 物理学 2015-05-13 S. Salimbeni , M. Castellano , L. Pentericci , D. Trevese , F. Fiore , A. Grazian , A. Fontana , E. Giallongo , K. Boutsia , S. Cristiani , C. De Santis , S. Gallozzi , N. Menci , M. Nonino , D. Paris , P. Santini , E. Vanzella

A Near-Infrared Spectroscopic Survey of K-selected Galaxies at z ~ 2.3: Comparison of Stellar Population Synthesis Codes and Constraints from the Rest-frame NIR

We present SED modeling of a sample of 34 K-selected galaxies at z ~ 2.3. These galaxies have NIR spectroscopy that samples the rest-frame Balmer/4000A break as well as deep photometry in thirteen broadband filters. New to our analysis is…

宇宙学与河外天体物理 · 物理学 2010-01-15 Adam Muzzin , Danilo Marchesini , Pieter G. van Dokkum , Ivo Labbé , Mariska Kriek , Marijn Franx

Testing three derivative methods of stellar population synthesis models

The number of methods used to study the properties of galaxies is increased, and testing these methods is very important. Galactic globular clusters (GCs) provide an excellent medium for such test, because they can be considered as simple…

星系天体物理 · 物理学 2015-06-03 Yu Zhang , Zhanwen Han , Jinzhong Liu , Fenghui Zhang , Xiaoyu Kang

Photo-z Quality Cuts and their Effect on the Measured Galaxy Clustering

Photometric galaxy surveys are an essential tool to further our understanding of the large-scale structure of the universe, its matter and energy content and its evolution. These surveys necessitate the determination of the galaxy redshifts…

宇宙学与河外天体物理 · 物理学 2014-02-06 Pol Martí , Ramon Miquel , Anne Bauer , Enrique Gaztañaga

Evolution of Galaxies and their Environments at z = 0.1 to 3 in COSMOS

Large-scale structures (LSS) out to z $< 3.0$ are measured in the Cosmic Evolution Survey (COSMOS) using extremely accurate photometric redshifts (photoz). The Ks-band selected sample (from Ultra-Vista) is comprised of 155,954 galaxies. Two…

宇宙学与河外天体物理 · 物理学 2015-06-15 N. Scoville , S. Arnouts , H. Aussel , A. Benson , A. Bongiorno , K. Bundy , M. A. A. Calvo , P. Capak , M. Carollo , F. Civano , J. Dunlop , M. Elvis , A. Faisst , A. Finoguenov , Hai Fu , M. Giavalisco , Q. Guo , O. Ilbert , A. Iovino , M. Kajisawa , J. Kartaltepe , A. Leauthaud , O. Le Fe`vre , E. LeFloch , S. J. Lilly , C. T-C. Liu , S. Manohar , R. Massey , D. Masters , H. J. McCracken , B. Mobasher , Y-J. Peng , A. Renzini , J. Rhodes , M. Salvato , D. B. Sanders , B. D. Sarvestani , C. Scarlata , E. Schinnerer , K. Sheth , P. L. Shopbell , V. Smol'cic , Y. Taniguchi , J. E. Taylor , S. D. M. White , L. Yan

The VIMOS-VLT Deep Survey. Color bimodality and the mix of galaxy populations up to z~2

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…

天体物理学 · 物理学 2009-11-11 P. Franzetti , M. Scodeggio , B. Garilli , D. Vergani , D. Maccagni , L. Guzzo , L. Tresse , O. Ilbert , F. Lamareille , T. Contini , O. Le Fevre , G. Zamorani , J. Brinchmann , S. Charlot , D. Bottini , V. Le Brun , J. P. Picat , R. Scaramella , G. Vettolani , A. Zanichelli , C. Adami , M. Arnaboldi , S. Arnouts , S. Bardelli , M. Bolzonella , A. Cappi , P. Ciliegi , S. Foucaud , I. Gavignaud , A. Iovino , H. J. McCracken , B. Marano , C. Marinoni , A. Mazure , B. Meneux , R. Merighi , S. Paltani , R. Pello , A. Pollo , L. Pozzetti , M. Radovich , E. Zucca , O. Cucciati , C. J. Walcher

Galaxy properties in different environments at z > 1.5 in the GOODS-NICMOS Survey

We present a study of the relationship between galaxy colour, stellar mass, and local galaxy density in a deep near-infrared imaging survey up to a redshift of z~3 using the GOODS NICMOS Survey (GNS). The GNS is a very deep, near-infrared…

宇宙学与河外天体物理 · 物理学 2010-11-24 Ruth Grützbauch , Robert W. Chuter , Christopher J. Conselice , Amanda E. Bauer , Asa F. L. Bluck , Fernando Buitrago , Alice Mortlock

The Imprint of Element Abundance Patterns on Quiescent Galaxy SEDs

Stellar population synthesis (SPS) models have long struggled to reproduce observed optical through near-IR (NIR) spectral energy distributions (SED) of massive quiescent galaxies. We revisit this issue using a novel approach that combines…

星系天体物理 · 物理学 2019-02-27 Jieun Choi , Charlie Conroy , Benjamin D. Johnson

Comparison of Stellar Population Model Predictions Using Optical and Infrared Spectroscopy

We present Gemini/GNIRS cross-dispersed near-infrared spectra of 12 nearby early-type galaxies, with the aim of testing commonly used stellar population synthesis models. We select a subset of galaxies from the atlas/ sample which span a…

星系天体物理 · 物理学 2017-12-06 C. M. Baldwin , R. M. McDermid , H. Kuntschner , C. Maraston , C. Conroy