RADIAL TRENDS IN IMF-SENSITIVE ABSORPTION FEATURES IN TWO EARLY-TYPE GALAXIES: EVIDENCE FOR ABUNDANCE-DRIVEN GRADIENTS

ABSTRACT Samples of early-type galaxies show a correlation between stellar velocity dispersion and the stellar initial mass function (IMF) as inferred from gravity-sensitive absorption lines in the galaxies' central regions. To search for spatial variations in the IMF, we have observed two earl...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Veröffentlicht in:	The Astrophysical journal 2016-04, Vol.821 (1), p.39-39
Hauptverfasser:	McConnell, Nicholas J., Lu, Jessica R., Mann, Andrew W.
Format:	Artikel
Sprache:	eng
Schlagworte:	ABSORPTION ASTROPHYSICS, COSMOLOGY AND ASTRONOMY CORRELATIONS DISPERSIONS ELEMENT ABUNDANCE GALAXIES galaxies: abundances galaxies: elliptical and lenticular, cD galaxies: star formation GRAVITATION Iron MASS METALLICITY Reproduction Spectra STAR EVOLUTION STARS stars: mass function Strength TITANIUM OXIDES Trends
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Schreiben Sie den ersten Kommentar!