'Background galaxies' diaporamas de présentation

720 views • 58 slides

The Search for God Can Science Help John Houghton Irvine, California 18th February 2003

The Search for God Can Science Help John Houghton Irvine, California 18th February 2003. The search for God; can science help. The Big Bang; - the Universe created with humans in mind? Where is God; an analogy from science? Caring for the Earth - both a scientific and a spiritual challenge.

623 views • 55 slides

Gravitational Lenses The First Discoveries

Gravitational Lenses The First Discoveries. Summary: - first detections of gravitational deflection of light - some early theoretical developments - discovery of the double and triple quasars - a few comments on the huge progress in the area since. a. Bend angle a = 4GM/Rc 2

448 views • 31 slides

Gravitational Lenses The First Discoveries

Gravitational Lenses The First Discoveries. Summary: - first detections of gravitational deflection of light - some early theoretical developments - discovery of the double and triple quasars - a few comments on the huge progress in the area since. a. Bend angle a = 4GM/Rc 2

316 views • 31 slides

Dwarf Elliptical Galaxies in the Coma Cluster from the HST Treasury Survey or Clusters in Dwarfs in Clusters

Dwarf Elliptical Galaxies in the Coma Cluster from the HST Treasury Survey or Clusters in Dwarfs in Clusters. Henry Ferguson STScI August 28, 2008. Open Questions. Are dE just E galaxies in smaller halos? Or are they stripped irregulars/spirals? Do dE properties depend on environment?

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422 views • 29 slides

CLASH Photometric redshifts for galaxies in cluster field

CLASH Photometric redshifts for galaxies in cluster field. Stephanie Jouvel & CLASH photo- z team. Jouvel et al 2013 submitted. CLASH/HST Photo- z goals. Accurate photo- z for the SL arcs Clean cluster/background galaxy selection. 690 galaxies with spec- z covered by HST:

344 views • 18 slides

background galaxies are magnified by factors up to ~10-20,

lensed galaxies. background galaxies are magnified by factors up to ~10-20, providing the deepest yet view of the universe. 44. lensed galaxies. background galaxies are magnified by factors up to ~10-20, providing the deepest yet view of the universe. 44a.

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