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WIYN's New Unique Multi-size Fiber IFUs

  • E. J. Hooper (a1) (a2), M. J. Wolf (a2), M. A. Bershady (a2), A. D. Eigenbrot (a2), C. M. Wood (a2), S. A. Buckley (a2), M. P. Smith (a2), C. Corson (a1), G. Y. Zhu (a3), A. Vang (a2), J. S. Gallagher III (a2) and A. I. Sheinis (a4)...

Abstract

Two new integral field units (IFUs) were installed recently on the WIYN Observatory's 3.5-meter telescope at Kitt Peak. These unique IFUs contain fibers of different sizes in the same head. This design allows smaller fibers to sample regions of higher surface brightness, providing higher spatial resolution while maintaining adequate signal-to-noise (S/N). Conversely, larger fibers maintain S/N at the expense of spatial resolution in the lower surface brightness regions of galaxies. The new IFUs were built with funds from NSF award ATI-0804576.

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References

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Barden, S., et al. 1998, SPIE, 3355, 892
Bershady, M., et al. 2004, ApJS, 156, 311
Bershady, M., et al. 2005, PASP, 116, 820
Bershady, M., et al. 2008, SPIE, 7014, 70140H
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Snyder, G., et al. 2011, ApJ, 741, 77
Wood, C., et al. 2012, SPIE, 8446, 84462W
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