Magellanic spiral

A spiral galaxy with a central bar and loosely wound or incomplete spiral arms, resembling the Large Magellanic Cloud.

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Barred spiral galaxy: A spiral galaxy whose stellar disk contains an elongated central bar. Magellanic spirals belong to the barred-spiral family, though their arms are often less organized.
Large Magellanic Cloud: A nearby satellite galaxy of the Milky Way with a prominent stellar bar and an off-center, irregular structure. Its appearance inspired the name and exemplifies the class's bar and uneven arms.
Density wave theory: A model in which spiral patterns move through a galaxy as waves of enhanced density. It explains organized spiral patterns that may be weak or incomplete in Magellanic systems.
Grand design spiral galaxy: A spiral galaxy with two prominent, continuous arms that form a coherent large-scale pattern. Its orderly arms contrast with the weak, patchy, or incomplete arms of Magellanic spirals.
Spiral galaxy: A disk galaxy with spiral arms extending from a central concentration of stars. This is the broader galaxy class defined by the arms Magellanic spirals display.
Small Magellanic Cloud: A nearby dwarf galaxy orbiting the Milky Way, with a disrupted and irregular structure. Its contrast with the Large Cloud shows that Magellanic appearance is not simply a shared satellite-galaxy trait.
Barred galaxy dynamics: The gravitational motion of stars and gas in a galaxy containing a central bar. Bar-driven gravity can rearrange material and influence the shape of surrounding arms.
Flocculent spiral galaxy: A spiral galaxy whose arms break into many short, fragmented segments rather than forming a continuous pattern. Both have fragmented arms, but Magellanic spirals are distinguished by a central bar.
Galaxy morphological classification: The system of grouping galaxies by visible shape and structural features. Magellanic spirals are identified through their characteristic combination of bar and arm form.
NGC 1313: A nearby barred galaxy with loosely defined spiral structure and active star formation. Its patchy arms and central bar make it a frequently cited Magellanic-type example.