The extended forbidden O III emission around the QSO MR 2251 178

Details The extended forbidden O III emission around the QSO MR 2251 178 The extended forbidden O III emission around the QSO MR 2251 178

Nov 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986a%26a...169...49n&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 169, no. 1-2, Nov. 1986, p. 49-53. Sponsorship: Danish Space Board.

Astronomy and Astrophysics

Astrophysics

9

Emission Spectra, Forbidden Transitions, Galactic Structure, Oxygen Spectra, Quasars, Astronomical Spectroscopy, Charge Coupled Devices, Elliptical Galaxies

Scientific paper

New deeper CCD exposures of the [O III] λ4959+5007 emission around the QSO MR 2251-178 are reported. The exposures confirm the three shell-like filamentary structures with distances up to 110 kpc from the QSO found earlier. The authors are still not able to confirm the presence of a vast H II region extending 200 kpc to the south-east announced by Bergeron et al. (1983). From the continuum band exposure it is found that the galaxy housing the QSO is a giant elliptical. The authors present also new spectroscopic observations of the bright knots in the filaments showing that the knots are not following the rotation pattern of the nebulosity around the QSO.

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