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Abstract:

Integrated colors of a sample of low surface brightness (LSB) dwarf galaxies in the Fornax cluster, obtained from CCD images in the Washington system, are analyzed. This system proves useful to, under certain conditions, disentangle the effects of age and metallicity in a color-color diagram. A comparison with synthetic colors of simple stellar systems of known age and metallicity shows that nearly half the dwarfs have colors that can only be reproduced by a mixture of stars including a moderately young (≃108 yr) population. In particular, one of the galaxies shows evidence of recent or current star formation. © 1996. The American Astronomical Society. All rights reserved.

Registro:

Documento: Artículo
Título:Washington photometry of low surface brightness dwarf galaxies in the fornax cluster: constraints on their stellar populations
Autor:Cellone, S.A.; Forte, J.C.
Filiación:Facultad de Ciencias Astronómicas y Geofisicas, Universidad Nacional de la Plata, Paseo del Bosque, 1900 La Plata, Argentina
Institute de Astronomia y Fisica del Espacio, CC67 Suc. 28, 1428 Buenos Aires, Argentina
Facultad de Ciencias Astronómicas y Geofísicas, Universidad Nacional de la Plata, Paseo del Bosque, 1900 La Plata, Argentina
Cerro Tololo Inter-American Observatory, NOAO, Argentina
Consejo Nacional de Investigaciones Cientificas y Técnicas, Argentina
Carrera del Investigador Cientifico, Consejo Nacional de Investigaciones Cientificas y Técnicas, Argentina
Palabras clave:Galaxies: photometry; Galaxies: stellar content
Año:1996
Volumen:461
Número:1 PART I
Página de inicio:176
Página de fin:185
DOI: http://dx.doi.org/10.1086/177045
Título revista:Astrophysical Journal
Título revista abreviado:Astrophys. J.
ISSN:0004637X
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0004637X_v461_n1PARTI_p176_Cellone

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Citas:

---------- APA ----------
Cellone, S.A. & Forte, J.C. (1996) . Washington photometry of low surface brightness dwarf galaxies in the fornax cluster: constraints on their stellar populations. Astrophysical Journal, 461(1 PART I), 176-185.
http://dx.doi.org/10.1086/177045
---------- CHICAGO ----------
Cellone, S.A., Forte, J.C. "Washington photometry of low surface brightness dwarf galaxies in the fornax cluster: constraints on their stellar populations" . Astrophysical Journal 461, no. 1 PART I (1996) : 176-185.
http://dx.doi.org/10.1086/177045
---------- MLA ----------
Cellone, S.A., Forte, J.C. "Washington photometry of low surface brightness dwarf galaxies in the fornax cluster: constraints on their stellar populations" . Astrophysical Journal, vol. 461, no. 1 PART I, 1996, pp. 176-185.
http://dx.doi.org/10.1086/177045
---------- VANCOUVER ----------
Cellone, S.A., Forte, J.C. Washington photometry of low surface brightness dwarf galaxies in the fornax cluster: constraints on their stellar populations. Astrophys. J. 1996;461(1 PART I):176-185.
http://dx.doi.org/10.1086/177045