AN ULTRADEEP SURVEY FOR IRREGULAR SATELLITES OF URANUS: LIMITS TO COMPLETENESS

@article{Sheppard2005ANUS,
  title={AN ULTRADEEP SURVEY FOR IRREGULAR SATELLITES OF URANUS: LIMITS TO COMPLETENESS},
  author={Scott S. Sheppard and David C. Jewitt and Jan T. Kleyna},
  journal={The Astronomical Journal},
  year={2005},
  volume={129},
  pages={518-525}
}
We present a deep optical survey of Uranus's Hill sphere for small satellites. The 8 m Subaru Telescope was used to survey about 3.5 square degrees with a 50% detection efficiency at limiting red magnitude mR = 26.1. This magnitude corresponds to objects that are about 7 km in radius (assuming an albedo of 0.04). We detected (without prior knowledge of their positions) all previously known outer satellites and discovered two new irregular satellites (S/2001 U2 and S/2003 U3). The two inner… 
A Survey for ``Normal'' Irregular Satellites around Neptune: Limits to Completeness
We surveyed 1.75 deg2 of sky near Neptune to an R-band 50% detection efficiency of 25.8 mag (corresponding to radii of about 17 km for an assumed albedo of 0.04). We discovered one new outer
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A SUBARU ARCHIVAL SEARCH FOR FAINT TRANS-NEPTUNIAN OBJECTS*
We present the results of a survey for trans-neptunian objects (TNOs) based on Subaru archival images, originally collected by Sheppard et al. (2005) as part of a search for irregular satellites of
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We present a tracked orbit for a recently discovered 25th magnitude irregular moon of Saturn, using Canada-France-Hawaii Telescope imaging. Our 2 yr of observational arc on the moon leads to an orbit
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The known irregular satellites of the giant planets are dormant comet-like objects that reside on stable prograde and retrograde orbits in a realm where planetary perturbations are only slightly
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