Observations of the ring nebula MGC 7635 around BD +60deg2522

Details Observations of the ring nebula MGC 7635 around BD +60deg2522 Observations of the ring nebula MGC 7635 around BD +60deg2522

Apr 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986azh....63..246l&link_type=abstract

(Astronomicheskii Zhurnal, vol. 63, Mar.-Apr. 1986, p. 246-254) Soviet Astronomy (ISSN 0038-5301), vol. 30, Mar.-Apr. 1986, p. 1

Astronomy and Astrophysics

Astronomy

Astronomical Photography, Isophotes, Nebulae, O Stars, Stellar Evolution, Monochromatic Radiation, Nitrogen, Oxygen, Ring Structures

Scientific paper

An analysis is carried out of spectrographic data and monochromatic data for three forbidden emission lines distributed over the nebular NGC 7635. Isophotes for forbidden N II and O III lines were obtained in absolute units, and relative isophotes were derived for the forbidden S II line. The data indicate that the evolution of the morphology of the nebular has been driven by the action of the stellar wind from the central star, BED +60deg2522, on the surrounding interstellar gas. The dominant form of radiation is ionizing radiation.

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