Beaming and precession in the inner jet of 3C273

Details Beaming and precession in the inner jet of 3C273 Beaming and precession in the inner jet of 3C273

Jul 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001rmxac..11..139a&link_type=abstract

"IX Latin American Regional IAU Meeting, "Focal Points in Latin American Astronomy", held in Tonantzintla, Mexico, Nov 9-13, 199

Astronomy and Astrophysics

Astronomy

Scientific paper

We have used all the available VLBI data to determine the kinematical evolution of the inner jet of 3C273. The position angles, velocities and formation epochs of different superluminal components are compatible with a precessing inner jet. The time dependence of the Doppler factor for this jet is computed and the implications for the gamma-ray emission are discussed. Additionally, the model, when considered along with simultaneous radio and X-ra y variability observations provides an upper bound to the Hubble constant (H0<~ 80 km/s/Mpc).

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