Kinematics of relativistic ejection with Hubble flow. III. Applicators to find out the observable wavelength of the counterjet of superluminals and to search for blue-shifted lines of quasars.

Details Kinematics of relativistic ejection with Hubble flow. III. Applicators to find out the observable wavelength of the counterjet of superluminals and to search for blue-shifted lines of quasars. Kinematics of relativistic ejection with Hubble flow. III. Applicators to find out the observable wavelength of the counterjet of superluminals and to search for blue-shifted lines of quasars.

Jul 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998acaps..18..253g&link_type=abstract

Acta Astrophys. Sin., Vol. 18, No. 3, p. 253 - 259

Astronomy and Astrophysics

Astrophysics

Quasars: Jets, Quasars: Superluminal Motions, Quasars: Redshifts

Scientific paper

Relative to an observer on the Earth, quasars and galaxies have the receding velocity of Hubble flow. One has to take Hubble flow into account in solving the problem of the jet and the counterjet of the quasars. The observable wavelength of the counterjet of superluminals should be λcj = (δ/δ')λob, where δ and δ' are, respectively, the Doppler factors of the jet and the counterjet and λob is the observed wavelength of the jet. A few of superluminals have their values of (δ/δ') less than 10, being able to observe their counterjets. As values of the expected wavelength of the counterjet depend mainly upon the value of the Hubble constant H0, one has the possibility to estimate inversely the value of H0 once the wavelength of the counterjet is observed. The author presents a way to search for the blue-shifted absorption lines of quasars with high-speed ejecta moving in the direction of the line of sight. He has found 18 possible blue-shifted lines in literature.

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