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Magnetic stars with wide depressions in the continuum. 2. The silicon star with a complex field structure HD 27404
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| dc.contributor.author | Semenko E. | |
| dc.contributor.author | Romanyuk I. | |
| dc.contributor.author | Semenova E. | |
| dc.contributor.author | Moiseeva A. | |
| dc.contributor.author | Kudryavtsev D. | |
| dc.contributor.author | Yakunin I. | |
| dc.date.accessioned | 2018-04-05T07:10:11Z | |
| dc.date.available | 2018-04-05T07:10:11Z | |
| dc.date.issued | 2017 | |
| dc.identifier.issn | 1990-3413 | |
| dc.identifier.uri | http://dspace.kpfu.ru/xmlui/handle/net/130261 | |
| dc.description.abstract | © 2017, Pleiades Publishing, Ltd. Observations of the chemically peculiar star HD 27404 with the 6-m SAO RAS telescope showed a strong magnetic field with the longitudinal field component varying in a complicated way in the range of −2.5 to 1 kG. Fundamental parameters of the star (T eff = 11 300 K, log g = 3.9) were estimated analyzing photometric indices in the Geneva and in the Stro¨ mgren–Crawford photometric systems. We detected weak radial velocity variations which can be due to the presence of a close star companion or chemical spots in the photosphere. Rapid estimation of the key chemical element abundance allows us to refer HD 27404 to a SiCr or Si+ chemically peculiar A0–B9 star. | |
| dc.relation.ispartofseries | Astrophysical Bulletin | |
| dc.subject | chemically peculiar—stars | |
| dc.subject | HD 27404 | |
| dc.subject | individual | |
| dc.subject | magnetic field—stars | |
| dc.subject | stars | |
| dc.title | Magnetic stars with wide depressions in the continuum. 2. The silicon star with a complex field structure HD 27404 | |
| dc.type | Article | |
| dc.relation.ispartofseries-issue | 4 | |
| dc.relation.ispartofseries-volume | 72 | |
| dc.collection | Публикации сотрудников КФУ | |
| dc.relation.startpage | 384 | |
| dc.source.id | SCOPUS19903413-2017-72-4-SID85035212065 |
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Коллекция содержит публикации сотрудников Казанского федерального (до 2010 года Казанского государственного) университета, проиндексированные в БД Scopus, начиная с 1970г.