Figure 5 from LOW SURFACE BRIGHTNESS GALAXIES SELECTED FROM THE 40% SKY AREA OF THE ALFALFA H I SURVEY. I. SAMPLE AND STATISTICAL PROPERTIES

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LOW SURFACE BRIGHTNESS GALAXIES SELECTED FROM THE 40% SKY AREA OF THE ALFALFA H I SURVEY. I. SAMPLE AND STATISTICAL PROPERTIES

Authors: Wei Du, Hong Wu, Man I. Lam, Yinan Zhu, Fengjie Lei, and Zhimin Zhou

2015 The Astronomical Journal 149 199.

Provider: AAS Journals

Caption: Figure 5.

Examples of the SDSS Petrosian aperture (SDSS Petro) and the Kron elliptical apertures (SEx AUTO) from SExtractor for two galaxies from our parent sample. The SDSS Petro circular apertures are shown as the red circles, and the SEx AUTO elliptical apertures obtained by the SExtractor routine are shown as the middle white ellipses. Clearly, the SEx AUTO elliptical apertures seem to be much more appropriate for LSB galaxies.

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