'Pl relation' diaporamas de présentation

27. The Structure of the Universe Goals :

27. The Structure of the Universe Goals : 1. Examine the various techniques used to establish distances to galaxies, noting the strengths and weaknesses of each.

906 views • 90 slides

Pulsation models: Cepheids and RR Lyrae

Pulsation models: Cepheids and RR Lyrae. Marcella Marconi INAF Astronomical Observatory of Capodimonte,Naples,Italy. S. Agata sui due Golfi, May 2005. Outline. What are pulsating stars ?. Why to model pulsating stars ?. Why do Cepheids and RR Lyrae pulsate

786 views • 66 slides

Variable Stars:Pulsation, Evolution and applications to cosmology

459 views • 36 slides

Teramo, 6 Maggio 2008

Stelle pulsanti classiche: problemi aperti e prospettive future Marcella Marconi INAF-Osservatorio Astronomico di Capodimonte. Teramo, 6 Maggio 2008. OUTLINE. Pulsating stars: an introduction Classical cepheids and RR Lyrae: why to continue studying them? Problems and possible solutions.

437 views • 33 slides

Teramo, 6 Maggio 2008

Stelle pulsanti classiche: problemi aperti e prospettive future Marcella Marconi INAF-Osservatorio Astronomico di Capodimonte. Teramo, 6 Maggio 2008. OUTLINE. Pulsating stars: an introduction Classical cepheids and RR Lyrae: why to continue studying them? Problems and possible solutions.

457 views • 33 slides

Statistical biases in extragalactic distance determinations.

Statistical biases in extragalactic distance determinations. G. Paturel, Observatoire de Lyon In collaboration with P. Teerikorpi. IHP 28-29 Avril 2005. The difficult problem of Ho. When does a bias appear ?.

312 views • 21 slides

G. Bono: Univ. of Rome Tor Vergata F. Caputo + romans + P.B. Stetson (DAO) V.I.M.M.A (napoletans)

Classical Cepheids as tracers of disk gradients & kinematics. G. Bono: Univ. of Rome Tor Vergata F. Caputo + romans + P.B. Stetson (DAO) V.I.M.M.A (napoletans) M. Romaniello, F. Primas (ESO) P. Francois (IAP) J. Lub, J.W. Pel, B. Lemasle, G. Fiorentino (NL). Summary.

186 views • 18 slides

SUNY Oswego LMC Cepheid Variables PL Relation in IR

SUNY Oswego LMC Cepheid Variables PL Relation in IR J. Bennett, D. Citro, J. Chartrand , S. Kanbur , C. Ngcow , L. Macri , S. Mahzooni , F. Ripple Physics Department, SUNY Oswego, National Central University Taiwan, and Texas A&M University. Abstract:

88 views • 1 slides