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The Star Clusters in the Irregular Galaxy NGC 4449
2001
Publications of the Astronomical Society of the Pacific
We examine the star clusters in the irregular galaxy NGC 4449. We use a near-infrared spectrum and broad-band images taken with the HST to place a limit of 8--15 Myrs on the age of the bright central ojbect in NGC 4449. Its luminosity and size suggest that it is comparable to young super star clusters. However, there is a peculiar nucleated-bar structure at the center of this star cluster, and we suggest that this structure is debris from the interaction that has produced the counter-rotating
doi:10.1086/318613
fatcat:6wiqj4x23jcrldvskhpkjj32ze