CCD observations of the jet of the quasar 3C 273

Details CCD observations of the jet of the quasar 3C 273 CCD observations of the jet of the quasar 3C 273

Oct 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987aj.....94..871h&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 94, Oct. 1987, p. 871-875. Research supported by Rutgers University, Agnes Scott Col

Astronomy and Astrophysics

Astronomy

9

Astronomical Photometry, Quasars, Radio Jets (Astronomy), Electromagnetic Spectra, Nonthermal Radiation, Red Shift

Scientific paper

The authors present B and R broadband CCD photometry of the jet of 3C 273. They find several knots within the jet. The knots at either end have a difference in color indices, with the knot at the outermost end being redder by about 1/2 magnitude in (B-R). Also, a variation in color may have been observed along the jet. This latter result would place constraints upon the jet-forming mechanism involved; the variation in color may be due to a nonthermal emission decay process. The authors discuss such mechanisms in view of these observations.

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