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Using the conditional luminosity function -- the luminosity distribution of galaxies in a dark matter halo as a function of the halo mass -- we present an empirical model to describe the redshift evolution of the rest B-band galaxy…

Astrophysics · Physics 2009-11-11 Asantha Cooray

Investigating X-ray luminous galaxy clusters at z>~1 provides a fundamental constraint on evolutionary studies of the largest virialized structures in the Universe, the baryonic matter in form of the hot ICM, their galaxy populations, and…

Astrophysics · Physics 2008-06-06 Rene Fassbender

The evolution of the luminous infrared galaxy population is explored using a pure luminosity evolution model which incorporates the locally observed luminosity-temperature distribution for IRAS galaxies. Pure luminosity evolution models in…

Astrophysics · Physics 2009-11-10 Geraint F. Lewis , Scott C. Chapman , George Helou

[Abridged] We present the rest-frame Js-band and Ks-band luminosity function of a sample of about 300 galaxies selected in the HDF-S at Ks<23 (Vega). We use calibrated photometric redshift together with spectroscopic redshift for 25% of the…

We present the X-ray luminosity function (XLF) of low mass X-ray binaries (LMXBs) in the globular clusters (GCs) and fields of seven early-types galaxies. These galaxies are selected to have both deep Chandra observations, which allow their…

High Energy Astrophysical Phenomena · Physics 2016-02-17 Mark B. Peacock , Stephen E. Zepf

We conduct one of the largest systematic investigations of bright X-ray binaries (XRBs) in both young star clusters and ancient globular clusters (GCs) using a sample of six nearby, star-forming galaxies. Combining complete CXO X-ray source…

High Energy Astrophysical Phenomena · Physics 2023-08-16 Qiana Hunt , Rupali Chandar , Elena Gallo , Matthew Floyd , Thomas J. Maccarone , David A. Thilker

Star forming galaxies represent a small yet sizable fraction of the X-ray sky (1%-20%, depending on the flux). X-ray surveys allow to derive their luminosity function and evolution, free from uncertainties due to absorption. However, much…

Instrumentation and Methods for Astrophysics · Physics 2010-05-03 Piero Ranalli

This paper explores the X-ray properties of `normal' galaxies using a shallow XMM-Newton survey covering an area of ~1.5deg2. The X-ray survey overlaps with the 2dF Galaxy Redshift Survey. Compared with previous studies this has the…

Astrophysics · Physics 2011-03-10 A. Georgakakis , I. Georgantopoulos , G. C. Stewart , T. Shanks , B. J. Boyle

Symbiotic X-ray binaries (SyXBs) comprise a rare class of low-mass X-ray binaries. We study the Galactic SyXBs, which we consider as detached binaries composed of low-mass giants and wind-fed neutron star companions, by simulation of the…

Solar and Stellar Astrophysics · Physics 2015-06-05 G. -L. Lu , C. -H. Zhu , K. A. Postnov , L. R. Yungelson , A. G. Kuranov , N. Wang

Using the most recent measurements of the ultraviolet (UV) luminosity functions (LFs) and dust estimates of early galaxies, we derive updated dust-corrected star-formation rate functions (SFRFs) at z~4-8, which we model to predict the…

Astrophysics of Galaxies · Physics 2015-10-22 Natalie Mashian , Pascal Oesch , Abraham Loeb

We present a new model for the X-ray properties of the intracluster medium that explicitly includes heating of the gas by the energy released during the evolution of cluster galaxies. We calculate the evolution of clusters by combining the…

Astrophysics · Physics 2009-10-31 R. G. Bower , A. J. Benson , C. G. Lacey , C. M. Baugh , S. Cole , C. S. Frenk

The exact relationship between the long gamma-ray burst (LGRB) rate and the cosmic star formation rate (CSFR) is essential for using LGRBs as cosmological probes. In this work, we collect a large sample composed of 371 Swift LGRBs with…

High Energy Astrophysical Phenomena · Physics 2020-05-18 Jing-Meng Hao , Liang Cao , You-Jun Lu , Qing-Bo Chu , Jun-Hui Fan , Ye-Fei Yuan , Yu-Hai Yuan

Long gamma-ray bursts (GRBs) have been discussed as a potential tool to probe the cosmic star formation rate (SFR) for a long time. Some studies found an enhancement in the GRB rate relative to the galaxy-inferred SFR at high redshifts,…

High Energy Astrophysical Phenomena · Physics 2022-10-26 Guang-Xuan Lan , Jun-Jie Wei , Ye Li , Hou-Dun Zeng , Xue-Feng Wu

We present a detailed determination of the restframe B-band galaxy luminosity function (LF) as a function of redshift and star formation activity from z=0 to z=0.75. The dataset used for this purpose is a combined sample of over 1700…

Astrophysics · Physics 2015-06-24 Richard S. Ellis , Matthew Colless , Tom Broadhurst , Jeremy Heyl , Karl Glazebrook

By cross-correlating large samples of galaxy clusters with publicly available radio source catalogs, we construct the volume-averaged radio luminosity function (RLF) in clusters of galaxies, and investigate its dependence on cluster…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-27 M. W. Sommer , K. Basu , F. Pacaud , F. Bertoldi , H. Andernach

We have modelled the spatial distribution of luminous X-ray binaries (XRBs) in spiral galaxies that are like the Milky Way using an evolutionary population synthesis code. In agreement with previous theoretical expectations and…

Astrophysics · Physics 2011-02-11 Zhao-yu Zuo , Xiang-dong Li , Xi-wei Liu

Using the semi-analytic models based on the Millennium simulation, we trace back the evolution of the luminosity function of galaxies residing in progenitors of groups classified by the magnitude gap at redshift zero. We determine the…

Astrophysics of Galaxies · Physics 2014-11-11 G. Gozaliasl , H. G. Khosroshahi , A. A. Dariush , A. Finoguenov , D. M. Z. Jassur , A. Molaeinajad

The evolution of the temperature distribution function (TDF) of X-ray clusters is kn own to be a powerful cosmological test of the density parameter of the Universe. Recent XMM observations allows us to measure accurately the L - T relation…

We introduce a framework for simultaneously investigating the structure and luminosity evolution of early-type gravitational lens galaxies. The method is based on the fundamental plane, which we interpret using the aperture mass-radius…

Astrophysics · Physics 2009-11-10 D. Rusin , C. S. Kochanek

We study the diffuse X-ray luminosity ($L_X$) of star forming galaxies using 2-D axisymmetric hydrodynamical simulations and analytical considerations of supernovae (SNe) driven galactic outflows. We find that the mass loading of the…

Astrophysics of Galaxies · Physics 2016-02-17 Kartick C. Sarkar , Biman B. Nath , Prateek Sharma , Yuri Shchekinov