Leo I system

Leo I system

[′lē·ō ′wən ‚sis·təm]
(astronomy)
A dwarf elliptical galaxy about 890,000 light-years distant, having a diameter of about 5000 light-years, and a luminosity about 5 × 106 that of the sun.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.