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24 April 2024 |
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Pencil-Beam Surveys for Faint Trans-Neptunian Objects | | Brett Gladman
; JJ Kavelaars
; Philip D. Nicholson
; Thomas J. Loredo
; Joseph A. Burns
; | | Date: |
25 Jun 1998 | | Subject: | astro-ph | | Affiliation: | CITA), JJ Kavelaars (McMaster U), Philip D. Nicholson, Thomas J. Loredo, Joseph A. Burns (Cornell U | | Abstract: | We have conducted pencil-beam searches for outer solar system objects to a limiting magnitude of R ~ 26. Five new trans-neptunian objects were detected in these searches. Our combined data set provides an estimate of ~90 trans-neptunian objects per square degree brighter than ~ 25.9. This estimate is a factor of 3 above the expected number of objects based on an extrapolation of previous surveys with brighter limits, and appears consistent with the hypothesis of a single power-law luminosity function for the entire trans-neptunian region. Maximum likelihood fits to all self-consistent published surveys with published efficiency functions predicts a cumulative sky density Sigma( | | Source: | arXiv, astro-ph/9806344 | | Services: | Forum | Review | PDF | Favorites | |
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