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BP Octantis - a Variable Am Star
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| A photometric study of some AM stars
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| A survey for southern Delta Scuti variable stars
Twenty-nine field stars have been tested photoelectrically forshort-period variability. Eighteen of these stars have spectral typesbetween A2 and F5 and are not Am stars; of these, six have beendiscovered to be variable and one is a suspected variable. HD 185969,with a period of 0.361 day, has the longest known period for a star ofthe Delta Scuti type. The predominance of discovered variables withamplitudes close to the detection limit is suggestive of most stars inthe instability strip being pulsators.
| Is HR 5491 Really a Pulsating AM Star?
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1972PASP...84..443B&db_key=AST
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관측 및 측정 데이터
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