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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Dades bibliogràfiques

Publicat a:	Revista Mexicana de Astronomía y Astrofísica
Autors principals:	A. Arellano Ferro, F. C. Rojas Galindo, S. Muneer, Sunetra Giridhar
Format:	Artigo
Idioma:	Inglês
Publicat:	Universidad Nacional Autónoma de México 2018
Matèries:	Física, Astronomía y Matemáticas
Accés en línia:	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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