The Bar Pattern Speed of NGC 1433 Estimated Via Sticky-Particle Simulations

Show simple item record

dc.contributor.author Treuthardt, P.
dc.contributor.author Salo, H.
dc.contributor.author Rautiainen, P.
dc.contributor.author Buta, R.
dc.date.accessioned 2019-06-12T20:14:06Z
dc.date.available 2019-06-12T20:14:06Z
dc.date.copyright 2008
dc.date.issued 2008-06-11
dc.identifier.citation Treuthardt, P., Salo, H., Rautiainen, P., Buta, R. (2008): The Bar Pattern Speed of NGC 1433 Estimated Via Sticky-Particle Simulations. The Astronomical Journal, 136(1). DOI: 10.1088/0004-6256/136/1/300 en_US
dc.identifier.uri http://ir.ua.edu/handle/123456789/5736
dc.description.abstract We present detailed numerical simulations of NGC 1433, an intermediate-type barred spiral showing strong morphological features including a secondary bar, nuclear ring, inner ring, outer pseudoring, and two striking, detached spiral arcs known as "plumes." This galaxy is an ideal candidate for recreating the observed morphology through dynamical models and determining the pattern speed. We derived a gravitational potential from an H-band image of the galaxy and simulated the behavior of a two-dimensional disk of 100,000 inelastically colliding gas particles. We find that the closest matching morphology between a B-band image and a simulation occurs with a pattern speed of 0.89 km s(^-1) arcsec(^-1) ± 5-10%. We also determine that the ratio of corotation radius to the average published bar radius is 1.7 ± 0.3, with the ambiguity in the bar radius being the largest contributor to the error. en_US
dc.format.mimetype application/pdf en_US
dc.language English en_US
dc.publisher American Astronomical Society en_US
dc.subject Galaxies individual (NGC 1433) en_US
dc.subject Kinematics and dynamics en_US
dc.subject Spiral galaxies en_US
dc.subject Galaxies structure en_US
dc.title The Bar Pattern Speed of NGC 1433 Estimated Via Sticky-Particle Simulations en_US
dc.type text en_US
dc.rights.holder American Astronomical Society en_US


Files in this item

This item appears in the following Collection(s)

Show simple item record

Search DSpace


Browse

My Account