Lensing - PowerPoint PPT Presentation
CMB lensing and cosmic acceleration
CMB lensing and cosmic acceleration. Viviana Acquaviva SISSA, Trieste. Outline. Physics of lensing From CMB to dark energy Results and forecasts. lens plane. unlensed image. source. α. lensed image. deflection angle. lens. geodesic equation. Einstein equations.
By armina
Exploitation of the gravitational lensing signal: Probing the large scale structures with the CMB
Exploitation of the gravitational lensing signal: Probing the large scale structures with the CMB. Laurence Perotto; LAL Orsay. BPol workshop. n. n. + d. From CMB maps, gravitational potential can be statistically reconstructed. The CMB lensing effect. z~1 to 3. z=0. d = F
By barton
The Cosmological Model: an overview and an outlook
The Cosmological Model: an overview and an outlook. Alan Heavens University of Edinburgh. The Standard Cosmological Model. Universe started with Big Bang Einstein gravity CDM, baryons, photons (++) Cosmological Constant Inflation adiabatic, near-gaussian fluctuations. Evidence.
By kata
Cosmology with Gravitaional Lensing
Cosmology with Gravitaional Lensing. Bhuvnesh Jain University of Pennsylvania. Current measurements in weak lensing New techniques for probing dark energy Dark matter/dark energy with cluster arcs What advances are needed?. Collaborators. Gary Bernstein Mike Jarvis Masahiro Takada
By aldis
3D Cosmic Shear and darkCAM
3D Cosmic Shear and darkCAM. Alan Heavens Institute for Astronomy University of Edinburgh UK EDEN in Paris Dec 9 2005. OUTLINE OF TALK:. What effects of DE does lensing probe? Why 3D lensing? The darkCAM project. Effects of w. Distance-redshift relations
By tuyet
Observational Probes of Dark Energy
Observational Probes of Dark Energy. Observational cosmology: parameters (H 0 , 0 ) => evolution (a(t), g(z,k)). Timothy McKay University of Michigan Department of Physics. For the future: from parameter measurement => testing models. Precision cosmology.
By makya
Tracing Dark and Luminous Matter in COSMOS: Key Astrophysics and Practical Restrictions
Tracing Dark and Luminous Matter in COSMOS: Key Astrophysics and Practical Restrictions. COSMOS high-z convergence map Richard Massey. James Taylor (Caltech) -- Cosmos meeting -- Kyoto, Japan -- May 24 -- 2005. Tracing the Matter Distribution with Lensing: Key Astrophysics.
By cedric
Gravitational lensing and the VO
Gravitational lensing and the VO. Randall Wayth. Outline. Lensing basics Observable effects of lensing and parameters Possible simulations Lens modelling Lensing and the VO. Image 1. *. a. q. True Source Position. x. *. Observer. Lens (mass M). Image 2. *. D ds. D d. D s.
By genera
GRAVITATIONAL LENSING
GRAVITATIONAL LENSING. History, Discovery and Future Measuring Mass of Dark Matter. Vahe ’ Petrosian Stanford University Yerevan, April 23, 2009. Measuring Mass In the Universe. HOW? 1. Visible Ordinary Matter: Stars and Galaxies Measure light, Infer Mass
By blade
Cosmic Microwave Background Radiation: z=1000 - z= 10
Cosmic Microwave Background Radiation: z=1000 - z= 10. David Spergel Princeton University. Standard Cosmological Model. General Relativity + Uniform Universe Big Bang Density of universe determines its fate + shape Universe is flat (total density = critical density) Atoms 4%
By beck
ACT
ACT. Atacama Cosmology Telescope Funded by NSF Will measure CMB fluctuations on small angular scales Probe the primordial power spectrum and the growth of structure. The M illimeter B olometric A rray C amera: 3000 Detectors. Tri co lor : 145, 225, & 265 GHz
By gittel
Gravitational lensing and neutrinos
Why not look where natural lenses exist?. Gravitational lensing and neutrinos. Internal note: ANTARES-PHYS-2012-008. Proposal of an additional candidate list in point source search: 1. Motivation and Theory 2. Strong lenses and Galaxy clusters 3. Candidate List
By ceri
Experimental Probe of Inflationary Cosmology (comparison of three EPIC versions)
Experimental Probe of Inflationary Cosmology (comparison of three EPIC versions). Asantha Cooray University of California-Irvine. Post-Planck Mission Effort in US. Deliverables. The ell to which measurements are cosmic variance limited. (1) Nolta et al. 2008
By dillan
P5: February 22, 2008 Weak Gravitational Lensing
P5: February 22, 2008 Weak Gravitational Lensing. Bhuvnesh Jain University of Pennsylvania. Outline. Lensing measurements as probes of distance and growth Systematic Errors Recent advances What we don’t know (and will need to within 5 years) Ground based surveys: Stage III and IV
By daw
Cosmic collisions: dark matter, dark energy & inflation
Cosmic collisions: dark matter, dark energy & inflation. Max Tegmark, Penn/MIT. 100dpi. Smorgasbord. Measuring clustering. exp 9911. CMB. 1992-94. 2004. February 11, 2003: Add WMAP results. 105dpi. CMB. Boom zoom. De Bernardis et al 2000, Lange et al 2000. CMB. Boom zoom.
By gino
On the origin of color anomaly between multiple images of lensed quasars
On the origin of color anomaly between multiple images of lensed quasars. Atsunori Yonehara (Univ. Tokyo, Inoue Fellow) Hiroyuki Hirashita (SISSA) Philipp Richter (Bonn Univ.). Atsunori Yonehara. menu. Color Anomaly in Multiple Quasars “ Time Delay ” Origin “ Dust Extinction ” Origin
By deron
Gravitational Lensing Analysis of CLASH clusters
Gravitational Lensing Analysis of CLASH clusters. Adi Zitrin @ HD 10/2011. Outline of talk. What have we done so far: clusters analyzed, methods, strong vs weak, recent developments What do we need to do by the next CLASH meeting How do we plan to do that. Bank of tools:.
By bree
The Supernova / Acceleration Probe (SNAP)
The Supernova / Acceleration Probe (SNAP). Presentation to the Experimental Program Advisory Committee at SLAC. November 14, 2003. SLAC Involvement in SNAP.
By joyce
N-body Simulations and Gravitational Lensing with Dark Energy
N-body Simulations and Gravitational Lensing with Dark Energy. Beyond Einstein Meeting, May 13, 2004. Outline. Why Structure Formation and Dark Energy? Studying Dark Energy with Structure Formation: achievements and plans
By mandell
Probing Black Holes with Gravitational Lensing Eric Agol Chandra Fellow, Caltech
Probing Black Holes with Gravitational Lensing Eric Agol Chandra Fellow, Caltech PhD, UCSB (University of the Chronically Sun-Burned). (ITP 1999). Outline of talk: Stellar mass black holes as Lenses - How many black holes in Milky Way disk? Can we weigh SMBH with lensing?
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