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@inproceedings{1648136, author = {Zejda, Miloslav and Paunzen, Ernst and Mikulášek, Zdeněk}, address = {Neuveden}, booktitle = {Symposium S339 (Southern Horizons in Time-Domain Astronomy)}, doi = {http://dx.doi.org/10.1017/S1743921318002995}, editor = {Elizabeth R. Griffin}, keywords = {Stars: chemically peculiar; stars: emission-line; Be; galaxies: Small Magellanic Cloud; techniques: photometric: Detla a}, howpublished = {tištěná verze "print"}, language = {eng}, location = {Neuveden}, pages = {349-352}, publisher = {Cambridge University Press}, title = {Delta a Photometric survey of the small magellanic cloud}, url = {https://www.cambridge.org/core/journals/proceedings-of-the-international-astronomical-union/article/photometric-survey-of-the-small-magellanic-cloud/489C1CF7F548C8BD7718196AE027BF49}, year = {2019} }
TY - JOUR ID - 1648136 AU - Zejda, Miloslav - Paunzen, Ernst - Mikulášek, Zdeněk PY - 2019 TI - Delta a Photometric survey of the small magellanic cloud PB - Cambridge University Press CY - Neuveden KW - Stars: chemically peculiar KW - stars: emission-line KW - Be KW - galaxies: Small Magellanic Cloud KW - techniques: photometric: Detla a UR - https://www.cambridge.org/core/journals/proceedings-of-the-international-astronomical-union/article/photometric-survey-of-the-small-magellanic-cloud/489C1CF7F548C8BD7718196AE027BF49 L2 - https://www.cambridge.org/core/journals/proceedings-of-the-international-astronomical-union/article/photometric-survey-of-the-small-magellanic-cloud/489C1CF7F548C8BD7718196AE027BF49 N2 - The narrow-band delta a photometric system measures the flux depression at lambda 5200 angstrom by comparing the flux at the band centre to adjacent regions. It has been shown that virtually all peculiar stars with magnetic fields (mCPs) have significant positive delta a values (of up to +100 mmag), whereas Be/Ae/B[e] and metal weak stars (including lambda Bootis types) exhibit significant negative values of delta a. By using this photometric system we are therefore able to detect chemically peculiar (CP), emission types and metal-weak stars in an efficient way. The poster presented the first results of our survey of the Small Magellanic Cloud. In the selected field we found only 0.5 % of bona fide CP stars against 15 % in our Galaxy. ER -
ZEJDA, Miloslav, Ernst PAUNZEN a Zdeněk MIKULÁŠEK. Delta a Photometric survey of the small magellanic cloud. In Elizabeth R. Griffin. \textit{Symposium S339 (Southern Horizons in Time-Domain Astronomy)}. Neuveden: Cambridge University Press, 2019, s.~349-352. ISSN~1743-9213. Dostupné z: https://dx.doi.org/10.1017/S1743921318002995.
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