Image Details
Caption: Figure 2.
Luminosity function of NGC 362 (within R = 6′), including both epochs of IRAC data. The solid and dotted lines illustrate 0.2 and 0.5 magnitude bins, respectively. The tip of the red giant branch (TRGB) is located near M 3.6 μm ≈ −6.2 mag, and the HB is located near M 3.6 μm ≈ −1.0 mag. Photometry should be reasonably complete to approximately 3 mag fainter than the HB at 3.6 μm. In the inner 1′ of the cluster (gray line) crowding limits source completeness to magnitudes brighter than the HB.
© 2009. The American Astronomical Society. All rights reserved.