K star

K star

[′kā ‚stär]
(astronomy)
A star of spectral type K, a cool orange to red star with a surface temperature of about 3600-5000 K (6000-8500°F), and a spectrum resembling that of sunspots in which hydrogen lines have been greatly weakened.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.