Lecture21

Lecture21 - Final Exam Wednesday May 12 4:00 5:30 pm...

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Final Exam Wednesday May 12 4:00 – 5:30 pm Physics Lecture Hall Closed book and notes Computer-graded multiple-choice questions Material covered: Text chapters 23 - 28 Lectures 15-27 (March 9 through April 29) Bring Student ID card and a #2 pencil Practice Exam on class web page soon
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Previous Lecture Dark Matter in galaxies M/L ratio Local Group Galaxy Clusters Virgo, Coma Hot X-ray gas cD galaxies Superclusters, Large Scale Structure voids, filaments Clusters, Lensing, and Dark Matter strong and weak lensing
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Active Galaxies Rare galaxies with very luminous central regions core appears point-like (stellar), with luminosity > 2.5 x 10 10 L sun optical spectra show strong broad emission lines from ions with a wide range of energies non-thermal emission from radio to X-ray jets: oppositely-directed flows of matter, sometimes moving near speed of light rapid brightness variations (days-weeks)
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Radio galaxies L radio > 10 37 –10 38 watts synchrotron emission from high speed electrons in magnetic fields typical of morphology < pc size central source
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This note was uploaded on 01/31/2012 for the course 750 110 taught by Professor Ericgawaiser during the Fall '10 term at Rutgers.

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Lecture21 - Final Exam Wednesday May 12 4:00 5:30 pm...

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