The Origin of the Warp in the Disc in NGC 4258

Details The Origin of the Warp in the Disc in NGC 4258 The Origin of the Warp in the Disc in NGC 4258

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...211.4415p&link_type=abstract

American Astronomical Society, AAS Meeting #211, #44.15; Bulletin of the American Astronomical Society, Vol. 39, p.794

Astronomy and Astrophysics

Astronomy

Scientific paper

We consider the properties of the warped, accretion disc in NGC 4258 which is delineated by maser emission. We use our analytical models to consider whether the disc could be warped by Lense-Thirring precession. We show that such models fit the shape of the disc well and we determine the goodness of fit for various combinations of the warp radius and the disc and black hole configurations. We note, however, that such a model has implications for the formation and longevity of the disc which might be problematic.

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