The Globular Cluster Omega Centauri in the Infrared

The Globular Cluster Omega Centauri in the Infrared
From the 2Mass Image Gallery
The bright Milky Way globular star cluster Omega Centauri is in the far Southern sky Globular clusters formed early in the Galaxy's history and, therefore, must have been chemically enriched by massive short-lived stars.  In the near-IR, globular cluster stars look very homogeneous, as can be seen in this image, with very little in the way of color or population gradients, particularly in the central regions The near-IR light is dominated by the old red giants and asymptotic giant branch stars in the cluster. Image mosaic by E. Kopan (IPAC).
This image is a three-band composite constructed from 2MASS Atlas Images. They are infrared images and therefore must be mapped into false colors: J light (1.2 µm) into blue, H light (1.6 µm) in green, and Ks light (2.2 µm) into red. The Atlas Images are produced in the 2MASS Production Processing System. North is up and east is to the left.

The text is based on accompanying on-line materials.

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  Last Modified On: Sunday, December 17, 2000