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- catalog abstract "Prof. Schechter discusses the three D's of gravitational lensing: delay, deflection and distortion. Observations of these three D's make it possible to model the gravitational potentials of intervening galaxies which produce multiple images of distant quasars. He argues that if a substantial fraction of the projected mass is in a smooth, dark component large anomalies observed at optical wavelengths result from microlensing by stars.".
- catalog contributor b12656284.
- catalog contributor b12656285.
- catalog created "[2002]".
- catalog date "2002".
- catalog date "[2002]".
- catalog dateCopyrighted "[2002]".
- catalog description "Lecture held at Phillips Auditorium, Harvard College Observatory, October 3, 2002.".
- catalog description "Prof. Schechter discusses the three D's of gravitational lensing: delay, deflection and distortion. Observations of these three D's make it possible to model the gravitational potentials of intervening galaxies which produce multiple images of distant quasars. He argues that if a substantial fraction of the projected mass is in a smooth, dark component large anomalies observed at optical wavelengths result from microlensing by stars.".
- catalog description "VHS.".
- catalog extent "1 videocassette (65 min.) :".
- catalog isPartOf "CfA colloquium".
- catalog issued "2002".
- catalog issued "[2002]".
- catalog language "eng".
- catalog requires "VHS.".
- catalog subject "Gravitational lenses.".
- catalog subject "Microlensing (Astrophysics)".
- catalog subject "Quasars.".
- catalog title "The milli- and micro-lensing of macrolensed quasars [videorecording] / Paul Schechter.".
- catalog type "Videotapes. local".
- catalog type "image".