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The Variability of Young Stellar Objects


William Herbst
Astronomy Department, Wesleyan University, Middletown, CT 06459

Invited review paper, received February 15, 2012


A brief review of the types and causes of the variability of young stellar objects (pre-main sequence stars) is given with an emphasis on what we do not yet understand and how amateur observers can continue to make important contributions to the field.

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