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Multifrequency Observations of the Jet of 3C 273

Published online by Cambridge University Press:  19 July 2016

H.-J. Röser ,
K. Meisenheimer ,
M. Neumann  and
R.G. Conway
H.-J. Röser
Affiliation:
Max-Planck-Institut für Astronomie, Königstuhl 17, D69117 Heidelberg, Germany
K. Meisenheimer
Affiliation:
Max-Planck-Institut für Astronomie, Königstuhl 17, D69117 Heidelberg, Germany
M. Neumann
Affiliation:
Max-Planck-Institut für Astronomie, Königstuhl 17, D69117 Heidelberg, Germany
R.G. Conway
Affiliation:
The Nuffield Astronomy Laboratories, Jodrell Bank, Macclesfield, Cheshire SK11 9DL, U.K.

Extract

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Previously we have studied the jet of the quasar 3C 273 at optical and radio frequencies. In our first set of X-ray data with 17.2 ksec integration time obtained with the ROSAT HRI, the jet is easily visible extending out from the bright quasar core. The total number of counts in the jet lies in the range 200 to 300, depending on the details of the background model. This corresponds to an X-ray flux fv (2.9 × 1017 Hz) = 65 … 140 nJy (lower limit, synchrotron radiation α = −0.8 … upper limit, bremsstrahlung α = 0, NHI = 1.8 × 1020 cm−2), in good agreement with the value derived from the EINSTEIN observations.

Type
Poster Contributions: Continuum studies
Information
Symposium - International Astronomical Union , Volume 159: Multi-Wavelength Continuum Emission of AGN , 1994 , pp. 333 - 334
Copyright
Copyright © Kluwer 1994 

References

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2. Harris, D. E. and Stern, C. P. X-ray emission associated with the jet in 3C 273. Astrophys. J. , 313:136–140, 1987.Google Scholar
3. Röser, H.-J. and Meisenheimer, K. The synchrotron light from the jet of 3C 273. Astron. Astrophys. , 252:458–474, 1991.Google Scholar