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The Discovery of a Twelfth Wolf-Rayet Star in the Small Magellanic Cloud

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arxiv astro-ph/0308237 v1 pith:ZIHFQU22 submitted 2003-08-13 astro-ph

Philip Massey , K. A. G. Olsen , J. Wm. Parker This is my paper · ORCID
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keywords starotherearly-typediscoveryemissionlambdasimilartype
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We report the discovery of a relatively faint (V=15.5) early-type WN star in the SMC. The line strength and width of He II lambda 4686 emission is similar to that of the other SMC WNs, and the presense of N V lambda 4603,19 emission (coupled with the lack of N III) suggests this star is of spectral type WN3-4.5, and thus is similar in type to the other SMC WRs. Also like the other SMC WN stars, an early-type absorption spectrum is weakly present. The absolute magnitude is comparable to that of other (single) Galactic early-type WNs. The star is located in the Hodge 53 OB association, which is also the home of two other SMC WNs. This star, which we designate SMC-WR12, was actually detected at a high significance level in an earlier interference-filter survey, but the wrong star was observed as part of a spectroscopic followup, and this case of mistaken identity resulted in its Wolf-Rayet nature not being recognized until now.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. OpenAlex reports about 45 citations worldwide. Full citation record

  1. Can current models predict the local black hole merger rate?

    astro-ph.HE 2026-06 unverdicted novelty 3.0 of 10

    Theoretical predictions for local BBH merger rates exceed observations by a factor >10 under conservative SFRD and metallicity assumptions, indicating need for revisions in stellar evolution.

  2. The Wolf-Rayet Content of the Galaxies of the Local Group and Beyond

    astro-ph.SR 2019-08 unverdicted novelty 2.0 of 10

    A review of Wolf-Rayet star surveys showing that newly completed samples and updated models now broadly agree on how the WC/WN ratio varies with metallicity.

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