'Lensing' presentation slideshows

Lensing - PowerPoint PPT Presentation


CMB lensing and cosmic acceleration

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
(121 views)

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

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
(148 views)

The Cosmological Model: an overview and an outlook

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
(252 views)

Cosmology with Gravitaional Lensing

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
(128 views)

3D Cosmic Shear and darkCAM

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
(103 views)

Observational Probes of Dark Energy

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
(111 views)

Tracing Dark and Luminous Matter in COSMOS: Key Astrophysics and Practical Restrictions

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
(121 views)

Gravitational lensing and the VO

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
(184 views)

GRAVITATIONAL LENSING

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
(319 views)

Cosmic Microwave Background Radiation: z=1000 - z= 10

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
(178 views)

ACT

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
(114 views)

Gravitational lensing and neutrinos

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
(166 views)

Experimental Probe of Inflationary Cosmology (comparison of three EPIC versions)

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
(129 views)

P5: February 22, 2008 Weak Gravitational Lensing

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
(158 views)

Cosmic collisions: dark matter, dark energy & inflation

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
(117 views)

On the origin of color anomaly between multiple images of lensed quasars

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
(113 views)

Gravitational Lensing Analysis of CLASH clusters

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
(148 views)

The Supernova / Acceleration Probe (SNAP)

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
(89 views)

N-body Simulations and Gravitational Lensing with Dark Energy

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
(112 views)

Probing Black Holes with Gravitational Lensing Eric Agol Chandra Fellow, Caltech

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?

By abrial
(152 views)

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