Modeling the Mass Distribution in the Spiral Galaxy NGC 3198

Modeling the Mass Distribution in the Spiral Galaxy NGC 3198

We study the HI Rotation Curve of the spiral galaxy NGC 3198 in terms of mass decomposition. We model the Rotation Curve in the framework of different models for the Dark Matter distribution: the Burkert profile and NFW profile. We show that Universal Rotation Curve (Burkert halo+stellar disk+gas di...

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Veröffentlicht in:Journal of physics. Conference series 2014-01, Vol.566 (1), p.12008-5
Hauptverfasser: Karukes, E V, Salucci, P
Format: Artikel
Sprache:eng
Schlagworte:
Astronomical models
Dark matter
Decomposition
Disks
Galactic rotation
Galaxy distribution
Halos
Mass distribution
Mathematical models
Physics
Spiral galaxies
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Zusammenfassung:We study the HI Rotation Curve of the spiral galaxy NGC 3198 in terms of mass decomposition. We model the Rotation Curve in the framework of different models for the Dark Matter distribution: the Burkert profile and NFW profile. We show that Universal Rotation Curve (Burkert halo+stellar disk+gas disk) fits data accurately. Instead, the NFW (NFW halo+stellar disk+gas disk) model gives non-physical values of NFW halo parameters.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/566/1/012008