'Observational constraints' diaporamas de présentation

Feedback in Elliptical Galaxies

Feedback in Elliptical Galaxies. A Thesis Prospectus Presentation. David A. Riethmiller March 16, 2009. What is an Elliptical Galaxy?. Smooth, round, no spiral arms Really big ones at centers of clusters (not the ones I study) Stars show little organized motion Size ~ 10s of kpc

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380 views • 31 slides

Lecture 2: Observational constraints on dark energy

Lecture 2: Observational constraints on dark energy. Shinji Tsujikawa (Tokyo University of Science). Observational constraints on dark energy. The properties of dark energy can be constrained by a number of observations:. Supernovae type Ia (SN Ia)

394 views • 25 slides

Yashar Akrami

C osmic A cceleration from G host-free, M assive Bi G ravity :. A Statistical Analysis with Improved Generality. Modern Cosmology: Early Universe, CMB and LSS/ Benasque / August 17, 2012. Yashar Akrami. Postdoctoral Fellow Institute of Theoretical Astrophysics

459 views • 24 slides

Constraining reionization using 21-cm observations in combination with CMB and Ly? forest data

Constraining reionization using 21-cm observations in combination with CMB and Ly? forest data. Jonathan R. Pritchard Abraham Loeb J. Stuart B. Wyithe. CMB optical path. Correction due to the presence of helium. Constraints from Ly ? forest data. wavelength of Ly ? = 121.567 nm.

330 views • 21 slides

2010/09/27 COSMO/CosPA @ Tokyo Univ.

f(R) Modified Gravity Cosmological & Solar-System Tests. arXiv:1009.3488. Je-An Gu ??? ?????????????????????? Leung Center for Cosmology and Particle Astrophysics (LeCosPA), NTU. Collaborators : Wei-Ting Lin ??? @ Phys, NTU Dark Energy Working Group @ LeCosPA & NCTS-FGCPA.

189 views • 12 slides