Ansae in Barred Galaxies

Details Ansae in Barred Galaxies Ansae in Barred Galaxies

Jun 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aspc..390..304m&link_type=abstract

Pathways Through an Eclectic Universe ASP Conference Series, Vol. 390, proceedings of the conference held 23-27 April, 2007 at S

Astronomy and Astrophysics

Astronomy

Scientific paper

Many barred galaxies show a set of symmetric enhancements at the ends of the stellar bar, called the ansae, or ``handles'', of the bar. In this poster, we make a quantitative analysis of the occurrence of ansae in barred galaxies, making use of The de Vaucouleurs Atlas of Galaxies by Buta and collaborators. We find that ˜40% of SB0s show ansae in their bars, thus confirming that ansae are common features in barred lenticulars. The ansae frequency decreases dramatically with later types, and hardly any ansae are found in galaxies of type Sb or later.

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