Astronomy & Astrophysics Seminar: Black Widow Evolution

Dr. Sivan Ginzburg, Berkeley university

27 May 2020, 17:00 
Astronomy & Astrophysics Seminar




Black widows are millisecond pulsars with low-mass companions (~2% the mass of the sun) on short orbits of several hours. When the first black widow was discovered in 1988, it was proposed that its companion is the remnant of a main sequence star that had been evaporated by the pulsar’s high energy radiation. I will present new observations from the last decade that challenge this picture, and discuss how the growing population of black widows can be explained consistently. 



Seminar Organizer: Dr. Omer Bromberg

Tel Aviv University, P.O. Box 39040, Tel Aviv 6997801, Israel
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