Age and metallicity gradients in early-type galaxies: a dwarf-to-giant sequence

We studied the stellar populations of 40 early-type galaxies using medium-resolution long-slit spectroscopy along their major axes (and along the minor axis for two of them). The sample, including elliptical and lenticular galaxies as well as dwarf galaxies, is combined with other previously publish...

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Veröffentlicht in:	Monthly notices of the Royal Astronomical Society 2011-11, Vol.417 (3), p.1643-1671
Hauptverfasser:	Koleva, Mina, Prugniel, Philippe, De Rijcke, Sven, Zeilinger, Werner W.
Format:	Artikel
Sprache:	eng
Schlagworte:	Astronomy Dwarf stars Earth, ocean, space Exact sciences and technology galaxies: dwarf galaxies: elliptical and lenticular galaxies: elliptical and lenticular, cD galaxies: evolution galaxies: formation galaxies: kinematics and dynamics galaxies: stellar content Spectrum analysis Stars & galaxies
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