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WIYN's New Unique Multi-size Fiber IFUs

Published online by Cambridge University Press:  09 February 2015

E. J. Hooper ,
M. J. Wolf ,
M. A. Bershady ,
A. D. Eigenbrot ,
C. M. Wood ,
S. A. Buckley ,
M. P. Smith ,
C. Corson ,
G. Y. Zhu  and
A. Vang
...Show all authors
E. J. Hooper
Affiliation:
WIYN Observatory, 950 N. Cherry Ave., Tucson, AZ 85719, USA; email: ehooper@wiyn.org Astronomy Department, University of Wisconsin-Madison, Madison, WI53706, USA
M. J. Wolf
Affiliation:
Astronomy Department, University of Wisconsin-Madison, Madison, WI53706, USA
M. A. Bershady
Affiliation:
Astronomy Department, University of Wisconsin-Madison, Madison, WI53706, USA
A. D. Eigenbrot
Affiliation:
Astronomy Department, University of Wisconsin-Madison, Madison, WI53706, USA
C. M. Wood
Affiliation:
Astronomy Department, University of Wisconsin-Madison, Madison, WI53706, USA
S. A. Buckley
Affiliation:
Astronomy Department, University of Wisconsin-Madison, Madison, WI53706, USA
M. P. Smith
Affiliation:
Astronomy Department, University of Wisconsin-Madison, Madison, WI53706, USA
C. Corson
Affiliation:
WIYN Observatory, 950 N. Cherry Ave., Tucson, AZ 85719, USA; email: ehooper@wiyn.org
G. Y. Zhu
Affiliation:
Astronomy & Space Science, Nanjing Univ., 22 Hankou Rd, Nanjing, 210093, Jiangsu, China
A. Vang
Affiliation:
Astronomy Department, University of Wisconsin-Madison, Madison, WI53706, USA
J. S. Gallagher III
Affiliation:
Astronomy Department, University of Wisconsin-Madison, Madison, WI53706, USA
A. I. Sheinis
Affiliation:
Australian Astronomical Observatory, PO Box 915, North Ryde NSW 1670, Australia
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Abstract

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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.

Keywords

instrumentation: spectrographs - techniques: imaging spectroscopy
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 10 , Issue S309: Galaxies in 3D across the Universe , July 2014 , pp. 357 - 358
Copyright
Copyright © International Astronomical Union 2015 

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