STRUCTURAL PARAMETERS FOR 10 HALO GLOBULAR CLUSTERS IN M33
Authors: Jun Ma
2015 The Astronomical Journal149157.
Provider: AAS Journals
Caption: Figure 2.
Ellipticity (ϵ) as a function of the semimajor axis (a) in the F555W (red dots) and F814W (black dots) filters of WFPC2/HST for each sample cluster. Dashed lines indicate the points of 0.2 and 1.5 arcsec along the semimajor axis.