CCD PHOTOMETRY OF M15
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| Format: | Artículo científico |
| Sprache: | en |
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Universidad Nacional Autónoma de México
2010
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| author | A. Ruelas-Mayorga |
| author_facet | A. Ruelas-Mayorga |
| contents | CCD PHOTOMETRY OF M15 A. Ruelas-Mayorga L. J. Sánchez G. Herrera A. Nigoche-Netro Física, Astronomía y Matemáticas Galaxy: halo techniques: photometric globular clusters: general globular clusters: individual (NGC 7078) We present CCD observations of the galactic globular cluster M15, in the B and V lters. The cluster was reasonably covered, except in its northern region where our observations present a gap. We obtained a Hertzsprung-Russell (HR) diagram for each region observed, and later we produced a combined HR diagram containing more than 3000 stars. We generate a clean Colour Magnitude Diagram (CMD) and a Super Fiducial Line (SFL). Application of several methods and isochrone tting leads us to obtain values for the metallicity [Fe=H]M15 ~-2:16 +-0:10, the reddening E(B - V )M15 ~ 0:11 +-0:03, and a distance modulus of [(m -M)0]M15 ~15:03. 2010 artículo científico 0185-1101 https://www.redalyc.org/articulo.oa?id=57115510001 en http://www.redalyc.org/revista.oa?id=571 Revista Mexicana de Astronomía y Astrofísica application/pdf Universidad Nacional Autónoma de México Revista Mexicana de Astronomía y Astrofísica (México) Num.1 Vol.46 |
| format | Artículo científico |
| id | redalyc_57115510001 |
| institution | Redalyc |
| language | en |
| publishDate | 2010 |
| publisher | Universidad Nacional Autónoma de México |
| spellingShingle | CCD PHOTOMETRY OF M15 A. Ruelas-Mayorga Física, Astronomía y Matemáticas Galaxy: halo techniques: photometric globular clusters: general globular clusters: individual (NGC 7078) CCD PHOTOMETRY OF M15 A. Ruelas-Mayorga L. J. Sánchez G. Herrera A. Nigoche-Netro Física, Astronomía y Matemáticas Galaxy: halo techniques: photometric globular clusters: general globular clusters: individual (NGC 7078) We present CCD observations of the galactic globular cluster M15, in the B and V lters. The cluster was reasonably covered, except in its northern region where our observations present a gap. We obtained a Hertzsprung-Russell (HR) diagram for each region observed, and later we produced a combined HR diagram containing more than 3000 stars. We generate a clean Colour Magnitude Diagram (CMD) and a Super Fiducial Line (SFL). Application of several methods and isochrone tting leads us to obtain values for the metallicity [Fe=H]M15 ~-2:16 +-0:10, the reddening E(B - V )M15 ~ 0:11 +-0:03, and a distance modulus of [(m -M)0]M15 ~15:03. 2010 artículo científico 0185-1101 https://www.redalyc.org/articulo.oa?id=57115510001 en http://www.redalyc.org/revista.oa?id=571 Revista Mexicana de Astronomía y Astrofísica application/pdf Universidad Nacional Autónoma de México Revista Mexicana de Astronomía y Astrofísica (México) Num.1 Vol.46 |
| title | CCD PHOTOMETRY OF M15 |
| topic | Física, Astronomía y Matemáticas Galaxy: halo techniques: photometric globular clusters: general globular clusters: individual (NGC 7078) |
| url | https://www.redalyc.org/articulo.oa?id=57115510001 |