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相关论文: The Luminosity Function of Galaxies in the Las Cam…

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Schmidt's method for construction of luminosity function of galaxies is generalized by taking into account the dependence of density of galaxies from the distance in the near Universe. The logarithmical luminosity function (LLF) of field…

宇宙学与河外天体物理 · 物理学 2015-05-27 A. P. Mahtessian

We aim at developing a robust methodology for constraining the luminosity and stellar mass functions (LMFs) of galaxies by solely using data from multi-filter surveys and testing the potential of these techniques for determining the…

We present the results of a numerical study comparing photometric and physical properties of simulated z=6-9 galaxies to the observations taken by the WFC3 instrument aboard the Hubble Space Telescope. Using cosmological hydrodynamical…

宇宙学与河外天体物理 · 物理学 2015-05-27 Jason Jaacks , Jun-Hwan Choi , Kentaro Nagamine , Robert Thompson , Saju Varghese

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…

宇宙学与河外天体物理 · 物理学 2014-03-12 L. Zaninetti

We present UV luminosity functions (LFs) at 1500 Angstrom derived from the HST Early Release Science WFC3/UVIS data acquired over ~50 arcmin^2 of the GOODS-South field. The LFs are determined over the entire redshift range z=0.75-2.5 using…

宇宙学与河外天体物理 · 物理学 2010-12-01 P. A. Oesch , R. J. Bouwens , C. M. Carollo , G. D. Illingworth , D. Magee , M. Trenti , M. Stiavelli , M. Franx , I. Labbe , P. G. van Dokkum

We use the very deep and homogeneous I-band selected dataset of the FORS Deep Field (FDF) to trace the evolution of the luminosity function over the redshift range 0.5 < z < 5.0. We show that the FDF I-band selection down to I(AB)=26.8…

This study presents a wide-field near-infrared (K-band) survey in two fields; SA 68 and Lynx 2. The survey covers an area of 0.6 deg.$^2$, complete to K=16.5. A total of 867 galaxies are detected in this survey of which 175 have available…

天体物理学 · 物理学 2009-10-30 G. P. Szokoly , M. U. Subbarao , A. J. Connolly , B. Mobasher

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…

天体物理学 · 物理学 2009-11-07 Micol Bolzonella , Roser Pello' , Dario Maccagni

We present the optical and near-infrared luminosity and mass functions of the local star-forming galaxies in the Universidad Complutense de Madrid Survey. A bivariate method which explicitly deals with the Halpha selection of the survey is…

We present soft (0.5-2 keV) X-ray luminosity functions (XLFs) in the Great Observatories Origins Deep Survey (GOODS) fields, derived for galaxies at z~0.25 and 0.75. SED fitting was used to estimate photometric redshifts and separate galaxy…

天体物理学 · 物理学 2007-06-14 A. Ptak , B. Mobasher , A. Hornschemeier , F. Bauer , C. Norman

A preliminary 1.4 GHz RLF at redshift of about 0.14 is derived from the Las Campanas Redshift Survey (LCRS) and the NVSS radio data. No significant evolution has been found at this redshift in comparison to the 'local' RLF.

天体物理学 · 物理学 2016-01-27 J. Machalski , W. Godlowski

We present an estimate of the cosmological evolution of the field galaxy luminosity function (LF) in the rest frame 4400 Angstrom B -band up to redshift z=3.5. To this purpose, we use a composite sample of 1541 I--selected galaxies selected…

Using V band photometry of the WINGS survey, we derive galaxy luminosity functions (LF) in nearby clusters. This sample is complete down to Mv=-15.15, and it is homogeneous, thus allowing the study of an unbiased sample of clusters with…

The X-ray luminosity function is an important statistic of the census of galaxy clusters and an important means to probe the cosmological model of our Universe. Based on our recently completed REFLEX II cluster sample we construct the X-ray…

宇宙学与河外天体物理 · 物理学 2015-06-19 H. Böhringer , G. Chon , C. A. Collins

SHELS (Smithsonian Hectospec Lensing Survey) is a dense redshift survey covering a 4 square degree region to a limiting R = 20.6. In the construction of the galaxy catalog and in the acquisition of spectroscopic targets, we paid careful…

宇宙学与河外天体物理 · 物理学 2015-05-28 Margaret J. Geller , Antonaldo Diaferio , Michael J. Kurtz , Ian P. Dell'Antonio , Daniel G. Fabricant

We present the rest-frame Ultra-Violet (UV) galaxy luminosity function (LF) and luminosity density (LD) measurements in the far-UV (150 nm) wavelength, in the redshift range z = 0.6 - 1.2. The UV LF is derived using XMM-Newton Optical…

星系天体物理 · 物理学 2022-03-08 M. Sharma , M. Page , A. A. Breeveld

We predict Lyman-$\alpha$ (Ly$\alpha$) luminosity functions (LFs) of Ly$\alpha$-selected galaxies (Ly$\alpha$ emitters, or LAEs) at $z=3-6$ using the phenomenological model of Dijkstra & Wyithe (2012). This model combines observed UV-LFs of…

宇宙学与河外天体物理 · 物理学 2015-06-23 Max Gronke , Mark Dijkstra , Michele Trenti , Stuart Wyithe

Spatial modulations in the distribution of observed luminosities (computed using redshifts) of ~ 5 $\times$ 10$^5$ galaxies from the SDSS Data Release 7, probe the cosmic peculiar velocity field out to z ~ 0.1. Allowing for luminosity…

宇宙学与河外天体物理 · 物理学 2014-09-10 Martin Feix , Adi Nusser , Enzo Branchini

The luminosity functions of E/S0 galaxies are constructed in 3 different redshift bins (0.2 < z < 0.55, 0.55 < z < 0.8, 0.8 < z < 1.2), using the data from the Hubble Space Telescope Medium Deep Survey (HST MDS) and other HST surveys. These…

天体物理学 · 物理学 2016-08-30 Myungshin Im , Richard E. Griffiths , Kavan U. Ratnatunga , Vicki L. Sarajedini

We examine the faint-end slope of the rest-frame V-band luminosity function (LF), with respect to galaxy spectral type, of field galaxies with redshift z<0.5, using a sample of 80,820 galaxies with photometric redshifts in the Cosmic…