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b Persei

Alert Notice 537: Observations of a secondary eclipse of b Persei requested

February 26, 2016: Dr. Donald F. Collins (AAVSO member, Swannanoa, NC), Dr. Robert Zavala (US Naval Observatory, Flagstaff Station), and Jason Sanborn (Lowell Observatory) request high time-resolution observations of the bright eclipsing star b Persei (not beta) during an expected secondary eclipse of the third star of the system as it is expected to pass behind the close orbiting stars of the system in the two weeks centered on March 7, 2016. Dr. Collins provides the information below.

AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484