Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aas...19711404d&link_type=abstract
American Astronomical Society, 197th AAS Meeting, #114.04; Bulletin of the American Astronomical Society, Vol. 32, p.1597
Astronomy and Astrophysics
Astronomy
Scientific paper
For many years it was thought that the 8 Wolf-Rayet stars (WRs) known in the SMC was a complete sample. Then Morgan et al. (1991 MNRAS, 251, 51p) discovered a ninth. This naturally made us wonder if there were more WRs to be found in the SMC. We began our search by surveying the SMC with the CTIO Curtis Schmidt telescope using interference filters optimized to find WRs. Using these images, we compiled a list of candidates based on their magnitude differences between filters, their significance levels, as well as whether they appeared in all the appropriate fields. We followed up with slit spectroscopy at the CTIO 1.5-m telescope, and discovered 2 new WRs of WN3 type, similar to the previously known SMC WRs. In the course of this study we also discovered some previously unknown Of-type stars, an LBV candidate, and a symbiotic star similar to AG Dra. ASD's participation was made possible under the NSF's REU Program, through grant 9988007 to Northern Arizona University.
Duffy Alaine S.
Massey Pedro
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