'Luminosity distance' diaporamas de présentation

Ch.6

Ch.6. basic cosmological formulae. metric of Robertson-Walker. Friedmann equations. at present time:. critical density. density parameter. basic cosmological formulae. second Friedmann equation. second equation is depending on first one, because and

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Nobel Prize in Physics 2011

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The GW luminosity distance in modified gravity

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Gravitational-wave standard candles and Cosmology

Gravitational-wave standard candles and Cosmology. Gravitation: A Decennial Perspective June 10, 2003. Daniel Holz Center for Cosmological Physics University of Chicago. Outline. Cosmological motivation Utility of high-redshift standard candles Gravitational-wave standard candles

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Meaning of deceleration parameter

Meaning of deceleration parameter. q 0 tells you if the Universe is accelerating in its global expansion rate, or decelerating. Flat, matter dominated q0=1/2 Empty Universe q0=0 Flat, radiation dominated q0=1 Flat, Cosmological Constant dominated q0=-1. flat model.

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Optical study of type II event SN 2008gz

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Fluctuations of the luminosity distance Copenhagen, December 16, 2005

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Trigonometric parallax --- Galactic structure Y.Xu M.J.Reid X.W.Zheng K.M.Menten

Trigonometric parallax --- Galactic structure Y.Xu M.J.Reid X.W.Zheng K.M.Menten. Observe > 10 massive star forming regions. Trigonometric parallax---absolute distance. ? Distance-scale calibration. What we can do:. Structure and dynamics of the Galaxy. Distribution of Dark Matter

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THE COSMIC ENGINE

Caroline Chisholm College Physics. Models of the universe from Aristotle to Newton - HOW DID EACH VIEW THE STRUCTURE OF THE UNIVERSE? What is the current scientific thinking about the structure of the universe?. THE COSMIC ENGINE. 1. Ours is just one star in the galaxy and

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Constraining Dark Energy from SNIa CMB BAO Observations

Constraining Dark Energy from SNIa CMB BAO Observations. Chien-Wen Chen. Distance Measures. Comoving distance Luminosity distance Angular diameter distance Comoving volume. http://www.astro.ufl.edu/~guzman/ast7939/projects/project01.html.

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Observing the Dark Side of the Universe with LISA

Total SNR for BH Merger. z=15. 10 5 + 10 5 M ? at z=20. LISA Sensitivity. High SNR needed for mass, spin, distance. LISA Mission Quick Facts. Frequency Range 0.1 mHz - 0.1 Hz Measurement concept laser metrology between six fiducial masses on three spacecraft Mission

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