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Past Events
Radio Observations and Polarisation Study of Pulsar Wind Nebula MSH 15-52 Powered by PSR B1509-58
| Speaker: | Mr. Wai Yan LEUNG |
| Affiliation: | The University of Hong Kong |
| Date: | June 18, 2015 (Thursday) |
| Time: | 3:30 p.m. |
| Venue: | Seminar Room 522, 5/F, Chong Yuet Ming Physics Building |
Abstract
Pulsar Wind Nebulae (PWNe) are synchrotron-emitting bubbles of shocked relativistic particles in the pulsar environment, powered by the pulsars' relativistic winds. PSR B1509-58 is a young pulsar which has a high spin-down luminosity of ~1.8 x 1037 erg/s and a surface magnetic field strength of ~1.5 x 1013 G. It powers a complex PWN system MSH 15-52 which resembles a hand in X-rays and has a physical size over 10 pc. We present high resolution radio polarimetric study of the PWN at 6 cm and 3 cm using the Australia Telescope Compact Array. The radio emission shows a highly polarized sheath that anti-correlates with the X-ray jet. We also identify polarised filaments and wisps in this PWN.
Anyone interested is welcome to attend.