SIMBAD references

2002MNRAS.331..394P - Mon. Not. R. Astron. Soc., 331, 394-398 (2002/April-1)

Quarter-turn spirals just beyond the principal arms of galaxies.

POLYACHENKO E.V.

Abstract (from CDS):

Observations in the optical show that grand design spirals consist of a set of principal arms and characteristic near-circular extensions that can be described as quarter-turn spirals. Arguments are presented in favour of the idea that the latter set of spirals is merely caused by the response of the material of the disc to the gravitational potential of the main spiral arms.

Abstract Copyright: 2002 Blackwell Science Ltd

Journal keyword(s): galaxies: spiral - galaxies: structure

Simbad objects: 5

Full paper

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