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This paper studies the connection between the relativistic number density of galaxies down the past light cone in a Friedmann-Lemaitre-Robertson-Walker spacetime with non-vanishing cosmological constant and the galaxy luminosity function…

Cosmology and Nongalactic Astrophysics · Physics 2012-03-05 Alvaro S. Iribarrem , Amanda R. Lopes , Marcelo B. Ribeiro , William R. Stoeger

From as early as the 1930s, astronomers have tried to quantify the statistical nature of the evolution and large-scale structure of galaxies by studying their luminosity distribution as a function of redshift - known as the galaxy…

Cosmology and Nongalactic Astrophysics · Physics 2011-10-04 Russell Johnston

We present a parameter-less approach to predict the shape of the infrared (IR) luminosity function (LF) at redshifts z < 2. It requires no tuning and relies on only three observables: (1) the redshift evolution of the stellar mass function…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 Mark T. Sargent , M. Béthermin , E. Daddi , D. Elbaz

We investigate the dependence of the local galaxy luminosity function on morphology using 5,404 galaxies from the recently enlarged Second Southern Sky Redshift Survey (SSRS2). Over the range -22 \le M_B \le -14 ($H_0 = 100 km/s/Mpc), the…

Astrophysics · Physics 2009-10-30 R. O. Marzke , L. N. da Costa , P. S. Pellegrini , C. N. A. Willmer , M. J. Geller

We present the $R$-band luminosity function for a sample of 18678 galaxies, with average redshift $z = 0.1$, from the Las Campanas Redshift Survey. The luminosity function may be fit by a Schechter function with $M^* = -20.29 \pm 0.02 + 5…

We used wide area surveys over 39 deg$^2$ by the HerMES collaboration, performed with the Herschel Observatory SPIRE multi-wavelength camera, to estimate the low-redshift, $0.02<z<0.5$, monochromatic luminosity functions (LFs) of galaxies…

We present a luminosity function for low surface brightness (LSB) galaxies identified in the APM survey of Impey et al 1996. These galaxies have central surface brightnesses in B in the range 22 < mu < 25. Using standard maximum-likelihood…

Astrophysics · Physics 2009-10-30 D. Sprayberry , C. D. Impey , M. J. Irwin , G. D. Bothun

We develop a framework for using clustering-based redshift inference (cluster-$z$) to measure the evolving galaxy luminosity function (GLF) and galaxy stellar mass function (GSMF) using WISE W1 ($3.4\mu m$) mid-infrared photometry and…

Astrophysics of Galaxies · Physics 2023-04-26 Geray S. Karademir , Edward N. Taylor , Chris Blake , Michelle E. Cluver , Thomas H. Jarrett , Dian P. Triani

We have developed a Monte Carlo method to compute the luminosity function of galaxies, based on photometric redshifts, which takes into account the non-gaussianity of the probability functions, and the presence of degenerate solutions in…

Astrophysics · Physics 2009-11-07 Micol Bolzonella , Roser Pello' , Dario Maccagni

We study the galaxy cosmological mass function (GCMF) in a semi-empirical relativistic approach using observational data provided by galaxy redshift surveys. Starting from the theory of Ribeiro & Stoeger (2003, arXiv:astro-ph/0304094)…

Astrophysics of Galaxies · Physics 2014-12-04 Amanda R. Lopes , Alvaro Iribarrem , Marcelo B. Ribeiro , William R. Stoeger

The determination of the galaxy luminosity function is an active and fundamental field in observational cosmology. In this paper we propose a cost effective way of measuring galaxy luminosity functions at faint magnitudes. Our technique…

Astrophysics · Physics 2009-10-28 M. U. SubbaRao , A. J. Connolly , A. S. Szalay , D. C. Koo

We compute the luminosity function of galaxies in groups. The data consists in two samples of groups of galaxies selected in distance and redshift space comprising a total number of 66 groups. The assignment of galaxies to the groups were…

Astrophysics · Physics 2009-10-30 Hernán Muriel , Carlos A. Valotto , Diego G. Lambas

We determine the galaxy infrared (IR) luminosity function (LF) as a function of the environment in a supercluster at z=0.23, using optical, near-IR, and mid- to far-IR photometry, as well as redshifts from optical spectroscopy. We identify…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-28 A. Biviano , D. Fadda , F. Durret , L. O. V. Edwards , F. Marleau

We construct a spectral classification scheme for the galaxies of the Las Campanas Redshift Survey (LCRS) based on a principal component analysis of the measured galaxy spectra. We interpret the physical significance of our six spectral…

Astrophysics · Physics 2009-10-30 Benjamin C. Bromley , William H. Press , Huan Lin , Robert P. Kirshner

We present new limits on cosmological parameters from the statistics of gravitational lensing, based on the recently revised knowledge of the luminosity function and internal dynamics of E/S0 galaxies that are essential in lensing…

Astrophysics · Physics 2009-10-30 Masashi Chiba , Yuzuru Yoshii

(Abridged) We investigate the Lyman $\alpha$ emitter luminosity function (LAE LF) within the redshift range $2.9 \leq z \leq 6$ from the first instalment of the blind integral field spectroscopic survey MUSE-Wide. This initial part of the…

Distance--redshift relations are given in terms of associated Legendre functions for partially filled beam observations inspatially flat Friedmann-Lemaitre-Robertson-Walker (FLRW) cosmologies. These models are dynamically pressure-free,…

Astrophysics · Physics 2009-10-31 R. Kantowski , R. C. Thomas

A first new luminosity functions of galaxies can be built starting from a left truncated beta probability density function, which is characterized by four parameters. In the astrophysical conversion, the number of parameters increases by…

Cosmology and Nongalactic Astrophysics · Physics 2014-03-12 L. Zaninetti

We have determined the composite luminosity function (LF) for galaxies in 60 clusters from the 2dF Galaxy Redshift Survey. The LF spans the range $-22.5<M_{b_{\rm J}}<-15$, and is well-fitted by a Schechter function with ${M_{b_{\rm…

The galaxy luminosity and stellar mass function (LF, SMF), and halo mass function (HMF), are fundamental quantities in astrophysics and crucial inputs to a range of astrophysical and cosmological analyses. They are typically parametrised by…

Astrophysics of Galaxies · Physics 2026-04-28 Amelia Ford , Harry Desmond , Deaglan J Bartlett , Pedro G Ferreira