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We perform Halo Occupation Distribution (HOD) modeling to interpret small-scale and intermediate-scale clustering of 35,000 luminous early-type galaxies and their cross-correlation with a reference imaging sample of normal L* galaxies in…

Astrophysics · Physics 2014-11-18 Zheng Zheng , Idit Zehavi , Daniel J. Eisenstein , David H. Weinberg , Y. P. Jing

We investigate the radial distribution of galaxies within their host dark matter halos by modeling their small-scale clustering, as measured in the Sloan Digital Sky Survey. Specifically, we model the Jiang et al. (2011) measurements of the…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-30 Douglas F. Watson , Andreas A. Berlind , Cameron K. McBride , David W. Hogg , Tao Jiang

We present an analysis of the small-to-intermediate scale clustering of samples of Luminous Red Galaxies (LRGs) from the Sloan Digital Sky Survey and the 2dF-SDSS LRG and QSO (2SLAQ) survey carefully matched to have the same rest-frame…

We measure the clustering of a sample of photometrically selected luminous red galaxies around a low redshift (0.2<z<0.6) sample of quasars selected from the Sloan Digital Sky Survey Data Release 5. We make use of a new statistical…

Astrophysics · Physics 2015-05-13 N. Padmanabhan , M. White , P. Norberg , C. Porciani

We measure the angular clustering of galaxies from the Sloan Digital Sky Survey Data Release 7 in order to probe the spatial distribution of satellite galaxies within their dark matter halos. Specifically, we measure the angular correlation…

Astrophysics of Galaxies · Physics 2015-06-29 Jennifer A. Piscionere , Andreas A. Berlind , Cameron K. McBride , Roman Scoccimarro

We study the projected radial distribution of satellite galaxies around more than 28,000 Luminous Red Galaxies (LRGs) at 0.28<z<0.40 and trace the gravitational potential of LRG groups in the range 15<r/kpc<700. We show that at large radii…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 Tomer Tal , David A. Wake , Pieter G. van Dokkum

We present a physically motivated semi-analytic model to understand the clustering of high redshift LBGs. We show that the model parameters constrained by the observed luminosity function, can be used to predict large scale (\theta > 80…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-11 Charles Jose , Kandaswamy Subramanian , Raghunathan Srianand , Saumyadip Samui

We investigate statistical properties of LRGs in a sample of X-ray selected galaxy clusters at intermediate redshift ($0.2\le z\le0.6$). The LRGs are selected based on carefully designed color criteria, and the cluster membership is…

Astrophysics · Physics 2009-06-23 Shirley Ho , Yen-Ting Lin , David Spergel , Christopher M. Hirata

Luminous Red Galaxies (LRG) from the Sloan Digital Sky Survey are considered among the best understood samples of galaxies, and they are employed in a broad range of cosmological studies. Because they form a relatively homogeneous…

We present the clustering analysis of photometric luminous red galaxies (LRGs) at a redshift range of $0.1\leq z \leq 1.05$ using $615,317$ photometric LRGs selected from the Hyper Suprime-Cam Subaru Strategic Program covering $\sim124$…

Astrophysics of Galaxies · Physics 2021-11-24 Shogo Ishikawa , Teppei Okumura , Masamune Oguri , Sheng-Chieh Lin

We model the apparent clustering anisotropy of Luminous Red Galaxies (LRGs) in the Sloan Digital Sky Survey using subhalos identified in cosmological $N$-body simulations. We first conduct a Markov-chain Monte Carlo analysis on the…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-17 Takahiro Nishimichi , Akira Oka

We investigate the luminosity and colour dependence of clustering of CMASS galaxies in the Sloan Digital Sky Survey-III Baryon Oscillation Spectroscopic Survey Tenth Data Release. The halo occupation distribution framework is adopted to…

We present the angular correlation function measured from photometric samples comprising 1,562,800 luminous red galaxies (LRGs). Three LRG samples were extracted from the Sloan Digital Sky Survey (SDSS) imaging data, based on colour-cut…

Cosmology and Nongalactic Astrophysics · Physics 2011-10-03 U. Sawangwit , T. Shanks , F. B. Abdalla , R. D. Cannon , S. M. Croom , A. C. Edge , Nicholas P. Ross , D. A. Wake

We present a new catalogue of 55,121 groups and clusters centred on Luminous Red Galaxies from SDSS DR7 in the redshift range 0.15<z<0.4. We provide halo mass estimates for each of these groups derived from a calibration between the optical…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 J. M. Budzynski , S. Koposov , I. G. McCarthy , S. L. McGee , V. Belokurov

We analyze the small-scale clustering in "MegaZ-LRG", a large photometric-redshift catalogue of Luminous Red Galaxies extracted from the imaging dataset of the Sloan Digital Sky Survey. MegaZ-LRG, presented in a companion paper, spans the…

Astrophysics · Physics 2010-05-25 Chris Blake , Adrian Collister , Ofer Lahav

In two recent papers, we developed a powerful technique to link the distribution of galaxies to that of dark matter haloes by considering halo occupation numbers as function of galaxy luminosity and type. In this paper we use these…

Astrophysics · Physics 2009-11-07 Xiaohu Yang , H. J. Mo , Y. P. Jing , Frank C. van den Bosch , YaoQuan Chu

We present a Halo Occupation Distribution (HOD) analysis of the luminosity- and colour-dependent galaxy clustering in the Sloan Digital Sky Survey. A novelty of our technique is that it uses a combination of clustering measurements in…

Cosmology and Nongalactic Astrophysics · Physics 2019-07-10 Niladri Paul , Isha Pahwa , Aseem Paranjape

Applying halo models to analyze the small-scale clustering of galaxies is a proven method for characterizing the connection between galaxies and their host halos. Such works are often plagued by systematic errors or are limited to…

Cosmology and Nongalactic Astrophysics · Physics 2022-02-16 Adam O. Szewciw , Gillian D. Beltz-Mohrmann , Andreas A. Berlind , Manodeep Sinha

We present the small-scale (0.01<r<8 h^{-1} Mpc) projected correlation function w_p(r_p) and real space correlation function xi(r) of 24520 luminous early-type galaxies from the Sloan Digital Sky Survey Luminous Red Galaxy (LRG) sample…

The spatial distribution of satellite galaxies around host galaxies can illuminate the relationship between satellites and dark matter subhalos and aid in developing and testing galaxy formation models. Previous efforts to constrain the…

Astrophysics · Physics 2009-06-23 Jacqueline Chen
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