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The power spectrum of the residual rotation curve velocity as a probe of past mergers
Galaxy Astrophysics (astro-ph.GA)
2010/12/27
According to the $\Lambda CDM$ cosmological framework, galaxies underwent multiple mergers in their history. In this paper we propose to use the power spectrum of the residual fluctuations of the rota...
A new determination of the rotation curve from galactic disk planetary nebulae
rotation curve planetary nebulae
2009/6/25
A new determination of the rotation curve from galactic disk planetary nebulae。