Determination of Intrinsic Relativistic Velocity Field in M87 Jet

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Presentation transcript:

Determination of Intrinsic Relativistic Velocity Field in M87 Jet ChunCheng Wang (Univ. of Science & Technology of China) Jan. 29-Feb.2, TIARA Winter School

Powerful Large-scale Jet in M87 --VLA, HST and Chandra Images

Decades of Puzzle– intrinsic velocity field Projected proper motion => intrinsic velocity? Possible origin of supermassive black hole-accretion disk system Constrain global dynamics even jet formation in vicinity of violent world of central black hole

Synchrotron model fitting to radio-X-ray spectra of M87 Jet (KP & CI)

Determination of intrinsic velocity field True case– episodic particle acceleration between CI and KP model=>constrain Doppler beaming factor δ Apparent motion βapp data available in entire jet Filtering δand βapp in (Γ,θ) parameter space => intrinsic velocity and viewing angle along the jet

Intrinsic velocity field in M87 jet

Further Work Study possible mechanism of jet deceleration => gas entrainment? Sample research of large-scale jet’s velocity field Possible process of episodic particle acceleration=> shock in jet?

University of Science & Technology of China

Yellow Mountain and XiDi Village—World Natural & Cultural Heritage awarded by UN

Welcome to China Thanks for attention !