# SUPERLUMINOUS SPIRAL GALAXIES

@article{Ogle2015SUPERLUMINOUSSG,
title={SUPERLUMINOUS SPIRAL GALAXIES},
author={Patrick M. Ogle and Lauranne Lanz and Cyril Nader and George Helou},
journal={The Astrophysical Journal},
year={2015},
volume={817}
}
• Published 2 November 2015
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• The Astrophysical Journal
We report the discovery of spiral galaxies that are as optically luminous as elliptical brightest cluster galaxies, with r-band monochromatic luminosity Lr = 8–14L* (4.3–7.5 × 1044 erg s−1). These super spiral galaxies are also giant and massive, with diameter D = 57–134 kpc and stellar mass Mstars = 0.3–3.4 × 1011M⊙. We find 53 super spirals out of a complete sample of 1616 SDSS galaxies with redshift z < 0.3 and Lr > 8L*. The closest example is found at z = 0.089. We use existing photometry…
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