Harvard University Department of Astronomy

The Cosmological Constant Gravitational Lensing Material shown or used Abell 2218 picture from NASA. CL0024 image Strong lensing movie by P. Newbury How to lens an astrophysicist by P. Kernan Introduction to lensing by P. Newbury (many explanations and graphics) Lectures on Gravitational Lensing by Narayan and Bartelmann (technical article but starts at introductory level) two image, four image, extended image lenses from CASTLES survey Einstein Ring image from ABCnews article movie of gravitational lensing from MPA, full info here Article on lensing systematics by Falco, Kochanek and Munoz (technical) article on constraints and errors, Cheng and Krauss (technical) Articles gravitational lensing introductory notes Lens used to measure age of the universe, Media release, links to pictures/movies of lensing Web pages Some web references CASTLES survey Article on survey (technical overview) CLASS survey SDSS quasar science (has section on expected lenses) Microlensing pages by P. Sackett Weak lensing in pictures by A. Refregier, very useful! Also see: The quest for the Golden Lens, by Williams, L. L. R. and Schechter, P. L. in Astronomy and Geophysics, 38, pp. 10-14 (1997) News articles on the web Home Syllabus References Lecture References Useful Links Contact Info Back to gravitational lensing outline.