Forbidden O III emission surrounding the quasar MR 2251 - 178

Details Forbidden O III emission surrounding the quasar MR 2251 - 178 Forbidden O III emission surrounding the quasar MR 2251 - 178

Oct 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...285..567d&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 285, Oct. 15, 1984, p. 567-570.

Astronomy and Astrophysics

Astrophysics

15

Emission Spectra, Interstellar Gas, Nebulae, Oxygen Spectra, Quasars, Forbidden Bands, Galactic Evolution, Galactic Nuclei, H Beta Line, Rotating Matter

Scientific paper

Narrow-band images in forbidden O III 4459, 5007, and H-beta of the field of the low-redshift quasar MR 2251 - 178 have revealed, in addition to nebulosity closely associated with the quasar, diffuse forbidden O III emitting regions separated by up to 100 kpc from the nucleus but kinematically associated with it. The observations, taken in conjunction with the kinematical data from Bergeron et al. (1983), confirm that the quasar resides in the center of an envelope or disk of ionized matter rotating around the quasar. A recent gravitational interaction between galaxy G1 and the quasar or quasar progenitor may have been responsible for shocks within the envelope leading to density enhancements or possible star formation in the envelope far from the nucleus.

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