Surface photometry and radial color gradients of nearby luminous early-type galaxies in SDSS Stripe 82

@article{Jiang2011SurfacePA,
  title={Surface photometry and radial color gradients of nearby luminous early-type galaxies in SDSS Stripe 82},
  author={Fangzhou Jiang and Song Huang and Qiusheng Gu},
  journal={Research in Astronomy and Astrophysics},
  year={2011},
  volume={11},
  pages={309-326}
}
We make use of the images from the Sloan Digital Sky Survey Stripe 82 (Stripe 82) to present an analysis of r band surface brightness profiles and radial color gradients ( g-r , u-r ) in our sample of 111 nearby early-type galaxies (ETGs). Thanks to the Stripe 82 images, each of which is co-added from about 50 single frames, we are able to pay special attention to the low-surface-brightness areas (LSB areas) of the galaxies. The LSB areas affect the Sersic fittings and concentration indices by… Expand
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