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Spectroscopic ages and metallicities of galaxies

(2011) EAS Publications Series. 48. p.85-86
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Abstract
Dwarf galaxies are generally faint. To derive their age and metallicity distributions, it is critical to optimize the use of any collected photon. Koleva et al., using full spectrum fitting, have found strong population gradients in some dwarf elliptical galaxies. Here, we show that the population profiles derived with this method are consistent and more precise with those obtained with spectrophotometric indices. This allows studying fainter objects in less telescope time.
Keywords
galaxies, astronomical photometry, DWARF ELLIPTIC GALAXIES

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Citation

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Chicago
Koleva, Mina, AG Bedregal, P Prugniel, Sven De Rijcke, and WW Zeilinger. 2011. “Spectroscopic Ages and Metallicities of Galaxies.” In EAS Publications Series, ed. M Koleva, P Prugniel, and I Vauglin, 48:85–86. Les Ulis, France: EDP Sciences.
APA
Koleva, Mina, Bedregal, A., Prugniel, P., De Rijcke, S., & Zeilinger, W. (2011). Spectroscopic ages and metallicities of galaxies. In M Koleva, P. Prugniel, & I. Vauglin (Eds.), EAS Publications Series (Vol. 48, pp. 85–86). Presented at the CRAL 2010 : A universe of dwarf galaxies, Les Ulis, France: EDP Sciences.
Vancouver
1.
Koleva M, Bedregal A, Prugniel P, De Rijcke S, Zeilinger W. Spectroscopic ages and metallicities of galaxies. In: Koleva M, Prugniel P, Vauglin I, editors. EAS Publications Series. Les Ulis, France: EDP Sciences; 2011. p. 85–6.
MLA
Koleva, Mina, AG Bedregal, P Prugniel, et al. “Spectroscopic Ages and Metallicities of Galaxies.” EAS Publications Series. Ed. M Koleva, P Prugniel, & I Vauglin. Vol. 48. Les Ulis, France: EDP Sciences, 2011. 85–86. Print.
@inproceedings{2944780,
  abstract     = {Dwarf galaxies are generally faint. To derive their age and metallicity distributions, it is critical to optimize the use of any collected photon. Koleva et al., using full spectrum fitting, have found strong population gradients in some dwarf elliptical galaxies. Here, we show that the population profiles derived with this method are consistent and more precise with those obtained with spectrophotometric indices. This allows studying fainter objects in less telescope time.},
  author       = {Koleva, Mina and Bedregal, AG and Prugniel, P and De Rijcke, Sven and Zeilinger, WW},
  booktitle    = {EAS Publications Series},
  editor       = {Koleva, M and Prugniel, P and Vauglin, I},
  isbn         = {9782759806621},
  issn         = {1633-4760},
  keyword      = {galaxies,astronomical photometry,DWARF ELLIPTIC GALAXIES},
  language     = {eng},
  location     = {Lyon, France},
  pages        = {85--86},
  publisher    = {EDP Sciences},
  title        = {Spectroscopic ages and metallicities of galaxies},
  url          = {http://dx.doi.org/10.1051/eas/1148020},
  volume       = {48},
  year         = {2011},
}

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