The Effect of the Corotation on the Radial Gradient of Metallicity of Spiral Galaxies

The Effect of the Corotation on the Radial Gradient of Metallicity of Spiral Galaxies

The corotation radius in a spiral galaxy is the place where the spiral pattern speed has the same velocity of the rotation curve. By compiling results coming from the literature for 20 spiral galaxies we verified a strong correlation between the radius of the minima or inflections of the metallicity...

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Veröffentlicht in:Proceedings of the International Astronomical Union 2009-08, Vol.5 (S265), p.251-252
Hauptverfasser: Scarano, Sergio, Lépine, Jacques R. D.
Format: Artikel
Sprache:eng
Schlagworte:
Astronomy
Astrophysics
Chemical elements
Contributed Papers
Stars & galaxies
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Zusammenfassung:The corotation radius in a spiral galaxy is the place where the spiral pattern speed has the same velocity of the rotation curve. By compiling results coming from the literature for 20 spiral galaxies we verified a strong correlation between the radius of the minima or inflections of the metallicity distribution and the corotation radius.
ISSN:1743-9213
1743-9221
DOI:10.1017/S1743921310000694