Box/Peanut and Bar structures in edge-on and face-on SDSS nearby galaxies I. Catalogue
Akira Yoshino, Chisato Yamauchi

TL;DR
This study catalogs Box/Peanut and bar structures in SDSS galaxies, analyzing their frequency, strength, and relation, supporting the idea that Box/Peanut structures are edge-on views of bars.
Contribution
It provides a large catalog of Box/Peanut and bar structures in nearby galaxies, with detailed classification and analysis of their properties and prevalence.
Findings
22% of edge-on galaxies have Box/Peanut structures.
33% of face-on galaxies have bar structures.
Box/Peanut strength correlates slightly with bulge-to-total ratio.
Abstract
We investigate Box/Peanut and bar structures in image data of edge-on and face-on nearby galaxies taken from SDSS (Sloan Digital Sky Survey) to present catalogues containing the surface brightness parameters and the morphology classification. About 1700 edge-on galaxies and 2600 face-on galaxies are selected from SDSS DR7 in g, r and i-band. The images of each galaxy are fitted with the model of 2-dimensional surface brightness of S\'{e}rsic bulge and exponential disk. After removing some irregular data, Box/Peanut, bar and other structures are easily distinguished by eye using residual (observed minus model) images. We find 292 Box/Peanut structures in the 1329 edge-on samples and 630 bar structures in 1890 face-on samples in i-band, after removing some irregular data. Then the fraction of Box/Peanut galaxies is about 22 percent against the edge-on samples, and that of bar is about 33…
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