'Luminosity function' diaporamas de présentation

Observational Test of Halo Model: an empirical approach

Observational Test of Halo Model: an empirical approach. Mehri Torki. Bob Nichol. The Halo-model of clustering. (lahmu.phyast.pitt.edu/~sheth/courses/allahabad/halomodel.ppt). Two types of pairs: both particles in same halo, or particles in different halos ? dm (r) = ? 1h (r) + ? 2h (r)

607 views • 45 slides

Simona Gallerani

Constraining reionization through quasar and gamma ray burst absorption spectra. Simona Gallerani. Astronomical Observatory of Rome. In collaboration with: T. Roy Choudhury, P. Dayal, X. Fan, A. Ferrara, A. Maselli, R. Salvaterra. COSMOLOGICAL REIONIZATION CONFERENCE

513 views • 36 slides

PFIS/NIR Upgrade

PFIS/NIR Upgrade. Andy Sheinis Asst. Professor UW Astronomy (9/2005) Currently: NSF Fellow, Lick Observatory sheinis@ucolick.org. Investigators. P.I.: Andy. Sheinis Co-I.s: Ken. Nordsieck, Matt Bershady, John Hoessel, Ron Reynolds, Ed Churchwell, Jay Gallagher, Amy Barger,

376 views • 31 slides

Understand Galaxy Evolution with IR Surveys:

364 views • 26 slides

374 views • 26 slides

INTEGRAL 20 - 40 keV AGN Survey and Luminosity Function

Volker Beckmann NASA Goddard Space Flight Center, Exploration of the Universe Division & Joint Center for Astrophysics, University of Maryland, Baltimore County & C. R. Shrader, N. Gehrels, S. Soldi, N. Produit Extragalactic Surveys Workshop, November 6, 2006.

503 views • 24 slides

Post GP-WMAP Reionization: the morning after

Post GP-WMAP Reionization: the morning after. We need quantitative measures of Epoch of reionization (Z reion ) Neutral fractions Volume fraction of ionized/neutral gas duration of reionization ( ? Z reion ) Sizes of bubbles: topology. Measuring reionization with Lyman- ? emitters.

322 views • 22 slides

The Faintest Dwarf Galaxies in Groups and Poor Clusters

The Faintest Dwarf Galaxies in Groups and Poor Clusters. R. Marzke & A. Danielson (SFSU) M. Hudson (U. Waterloo) R. Windhorst (ASU). 1. Supernova feedback, photoionization. Galaxy luminosity function from semi-analytic models of galaxy formation. Cooling time > t H. Benson et al. 2003.

306 views • 19 slides

The low-mass part of the IMF From solar neighborhood to galactic implications

The low-mass part of the IMF From solar neighborhood to galactic implications. Mass-magnitude relations The Luminosity Function ? The Mass Function The Substellar regime The galactic implication : M/L ratio. Gilles CHABRIER C.R.A.L., ENS-Lyon. Mass-Magnitude relationships.

250 views • 18 slides

Cosmic evolution of AGN in several X-ray bands

276 views • 17 slides

Systematic Error on S lepton and Gaugino Masses

Systematic Error on S lepton and Gaugino Masses . OUTLINE Estimate systematic error on Slepton and Gauginos masses due to the knowledge of the luminosity spectrum: Reminder Guineapig distribution and Luminosity function F(? s,Pn ) for nominal parameters

245 views • 14 slides

Contribution of optical/NIR selected galaxies to the MIR Luminosity Function at z~2

279 views • 14 slides

Observations of Obscured Black Holes

Observations of Obscured Black Holes. Yoshihiro Ueda (Department of Astronomy, Kyoto University). Search for obscured black holes.

233 views • 14 slides

New detailed star formation histories of all classic Local Group dwarfs from archival HST CMDs:

Modeling Star Formation and Chemical Evolution in the Local Group dwarfs Oleg Gnedin University of Michigan. New detailed star formation histories of all classic Local Group dwarfs from archival HST CMDs: Dolphin et al. 2005 and Holtzman et al. 2006.

241 views • 14 slides

Statistical Properties of Radio Galaxies in the local Universe

210 views • 14 slides

2011/12/12

Galactic Astronomy ??????? I Lecture 3-2: Evolution of Luminosity Functions of Galaxies Seminar: Lily et al. 1995, ApJ, 455, 108 Lecture:. 2011/12/12. Local universe: Luminosity Function of Each Morphological Type

318 views • 14 slides

2011/10/31

Galactic Astronomy ??????? I Lecture 1-3: Morphological properties of galaxies Seminar: Strateva et al. 2001, AJ, 122, 1861 Lecture:. 2011/10/31. Morphological Classification. SDSS galaxies Buta, 2011, arXiv:1102.0550. Sequence of elliptical galaxies

253 views • 13 slides

Statistical Properties of Radio Galaxies in the local Universe

194 views • 12 slides

357 views • 11 slides

AGN Science with the LSST

AGN Science with the LSST Gordon T. Richards 1 , S. F. Anderson 2 , D. R. Ballantyne 3 , A. J. Barth 4 , W. N. Brant 5 , R. J. Brunner 6 , G. Chartas 7 , P. Coppi 8 ,

90 views • 1 slides