uvby - Photometry of the rr lyrae star ac and
Strögren uvby - and differential V photoelectric photometry of the variablestar AC And is presented. Analysis of this data, as well as data from theliterature, corroborates the periods proposed by Fitch & Szeidl (1976). Strögrenphotometry has been used for the determination of the reddening and...
| Autores: | , , , , |
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| Tipo de recurso: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2005 |
| País: | México |
| Institución: | Universidad Veracruzana |
| Repositorio: | Redalyc-UV |
| OAI Identifier: | oai:redalyc.org:57141211 |
| Acceso en línea: | https://www.redalyc.org/articulo.oa?id=57141211 |
| Access Level: | acceso abierto |
| Palabra clave: | Física, Astronomía y Matemáticas STARS: VARI ABLES: RR LYRAE TECHNIQUES: PHOTOMETRIC STARS: VARIABLES: DELTA SCUTI |
| Sumario: | Strögren uvby - and differential V photoelectric photometry of the variablestar AC And is presented. Analysis of this data, as well as data from theliterature, corroborates the periods proposed by Fitch & Szeidl (1976). Strögrenphotometry has been used for the determination of the reddening and the physicalparameters log g and log Te, as well as the metallicity [Fe/H]. The determination ofMv is also discussed and, in view of the results, we propose that AC And is an RRLyrae star with possible anomalous chemical composition. |
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