Highly ionized nebulosity in NGC 1068

Details Highly ionized nebulosity in NGC 1068 Highly ionized nebulosity in NGC 1068

Jan 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26a...130...46n&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 130, no. 1, Jan. 1984, p. 46-48. Research supported by the Ministry of Educati

Astronomy and Astrophysics

Astrophysics

10

Astronomical Spectroscopy, Galactic Nuclei, Interstellar Gas, Nebulae, Seyfert Galaxies, Balmer Series, Ionized Gases, Oxygen Spectra

Scientific paper

Spectroscopic observations of NGC 1068 have been made at 24 position angles of every 15° from the major axis (P.A. 52°). The results show that the region emitting [O III] λ5007 extends asymmetrically in the NE direction at least up to 50arcsec from the center along the major axis. The Balmer lines and [N II] λλ6548, 6584 are distributed over the disk symmetrically. The intensity ratios of [O III] λ5007 to Hβ and [N II] λ6584 to Hα have been derived up to 24arcsec from the center in the NE part along the major axis. The asymmetrical feature of the [O III] line may be attributed to the highly ionized nebulosity extended on the NE side of the disk.

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