2MASS XSC Size Distribution

Extended sources range in size from 10" to nearly 2 degrees in diameter. Most 2MASS XSC galaxies are small, settling near the resolving limit of 2MASS. The distribution is given below for the isophotal and total radii (see Large Aperture Photometry).

• XSC Galaxies
  
• XSC Galactic Extended Sources
  

[Last Updated: 2002 Dec 3; by Tom Jarrett]
[Broken links removed, 2013 April 17; by J. Howell]