Spectroscopy of Hα-emission blue stars in M33

Details Spectroscopy of Hα-emission blue stars in M33 Spectroscopy of Hα-emission blue stars in M33

Jul 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997astl...23..458s&link_type=abstract

Astronomy Letters, Volume 23, Issue 4, July 1997, pp.458-464; Pis'ma v Astronomicheskii Zhurnal, Vol. 23, p. 524

Astronomy and Astrophysics

Astronomy

11

Scientific paper

We carried out a spectroscopic study of 59 Hα-emission blue stars in the galaxy M33-candidates for SS 433 and LBV objects -- as part of our program of search for unique objects in the nearest galaxies. The spectra and parameters of the Hα line and the relative intensities of the [N II] Lambda 6583 and [S II] Lambda 6716 lines are presented. We divided the objects into three types by the Hα-line width: those with a broad, narrow, and prob able broad line. The spectra of star no. 517 -- a candidate for LBV objects, MCA1-B -- a well-known Ofpe/WN9 star, and v532 -- a candidate for WN stars, are described in more detail.

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