Induced star formation in a radio lobe of 3C 285?

Details Induced star formation in a radio lobe of 3C 285? Induced star formation in a radio lobe of 3C 285?

Sep 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993apj...414..563v&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 414, no. 2, p. 563-572.

Astronomy and Astrophysics

Astronomy

56

H Ii Regions, Radio Galaxies, Star Formation, Astronomical Spectroscopy, Intergalactic Media, Interstellar Matter, Polarized Light, Radio Jets (Astronomy), Red Shift

Scientific paper

We report the discovery of a blue star-forming region in the eastern lobe of the nearby classical double-lobed radio galaxy 3C 285. This region is elongated along the radio source axis, and its optical line emission, and possibly its optical continuum emission, appear to be edge-brightened on the side facing the nucleus of 3C 285. We propose that the star formation in this region was triggered by the passage of the radio lobe through a region of dense gas in the intergalactic medium. Our observations add support to models in which powerful radio sources induce star formation through the compression of dense ambient material and are also in agreement with such an interpretation for the alignment effect observed in high-redshift radio galaxies.

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