WFPC2 Observations of Compact Star Cluster Nuclei in Low-Luminosity Spiral Galaxies

@article{Matthews1999WFPC2OO,
  title={WFPC2 Observations of Compact Star Cluster Nuclei in Low-Luminosity Spiral Galaxies},
  author={Lynn D. Matthews and John S. Gallagher III and John E. Krist and A. M. Watson and Christopher J. Burrows and Richard E Griffiths and Jeff J. Hester and John Terry Trauger and Gilda E. Ballester and John T. Clarke and David Crisp and Robin W. Evans and John G. Hoessel and Jon A. Holtzman and Jeremy R. Mould and Paul A. Scowen and Karl R. Stapelfeldt and James A. Westphal},
  journal={The Astronomical Journal},
  year={1999},
  volume={118},
  pages={208 - 235}
}
We have used the Wide Field Planetary Camera 2 (WFPC2) aboard the Hubble Space Telescope to obtain F450W and F814W (B- and I-band) observations of the compact star cluster nuclei of the nearby, late-type, low-luminosity spiral galaxies NGC 4395, NGC 4242, and ESO 359-029. In addition, we analyze archival WFPC2 observations of the compact star cluster nucleus of M33. All of these galaxies are structurally diffuse, with moderately low surface brightnesses and little or no discernible bulge… 

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