Variable stars in NGC 4147 revisited: RR Lirae stars new CCD VI photometry and physical parameters

We have calculated the physical parameters of the RR Lyrae stars in the globular cluster NGC 4147 via the Fourier decomposition of their light curves, using new data and well-established semi-empirical calibrations and zero points. The mean metallicity and distance estimated using the RRc stars are...

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Detalhes bibliográficos

Publicado no:	Revista Mexicana de Astronomía y Astrofísica
Principais autores:	A. Arellano Ferro, F. C. Rojas Galindo, S. Muneer, Sunetra Giridhar
Formato:	Artigo
Idioma:	Inglês
Publicado em:	Universidad Nacional Autónoma de México 2018
Assuntos:	Física, Astronomía y Matemáticas
Acesso em linha:	https://www.redalyc.org/articulo.oa?id=57171627005 https://www.redalyc.org/journal/571/57171627005/ https://www.redalyc.org/journal/571/57171627005/html/ https://www.redalyc.org/journal/571/57171627005/57171627005.epub https://www.redalyc.org/journal/571/57171627005/movil
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