New Wolf-Rayet stars near the nucleus of NGC 300

Details New Wolf-Rayet stars near the nucleus of NGC 300 New Wolf-Rayet stars near the nucleus of NGC 300

Mar 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26a...243..115s&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 243, no. 1, March 1991, p. 115-117.

Astronomy and Astrophysics

Astrophysics

13

Astronomical Photography, Galactic Nuclei, H Ii Regions, Spiral Galaxies, Wolf-Rayet Stars, Emission Spectra, Line Spectra, Stellar Evolution, Stellar Mass

Scientific paper

Images were obtained of three fields in NGC 300 in the light of the strong WR emission lines between 4660-4690 A and the adjacent continuum near 4800 A. About 40 Wolf-Rayet star candidates were identified in the surveyed area which covered roughly a third of the surface of the galaxy. The three candidates with the strongest emission line excess were subsequently observed spectroscopically and their WR status confirmed. The three new WR stars are located near the nucleus of NGC 300 and are the first WR stars to be found outside conspicuous H II regions. Two of the new WR stars are of WC4-6 subtype and the third one is of WNE type. The WCE Stars have very narrow emission lines and are similar to WC4-5 stars located in the inner regions of M33.

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