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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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Membro dei seguenti gruppi:
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Osservazione e dati astrometrici
| Costellazione: | Ottante |
| Ascensione retta: | 12h18m46.06s |
| Declinazione: | -88°24'53.7" |
| Magnitudine apparente: | 6.617 |
| Distanza: | 193.798 parsec |
| Moto proprio RA: | -32.2 |
| Moto proprio Dec: | 10.8 |
| B-T magnitude: | 6.544 |
| V-T magnitude: | 6.611 |
Cataloghi e designazioni:
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NEWS@SKY (Science&Space News)
