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We present a statistical study of the detectability of lightcurves of Kuiper Belt objects (KBOs). Some Kuiper Belt objects display lightcurves that appear "flat", i.e., there are no significant brightness variations within the photometric…

Astrophysics · Physics 2009-11-10 Pedro Lacerda , Jane Luu

We report high precision photometry of three small and one larger Kuiper Belt Objects (KBOs) obtained with the Advanced Camera for Surveys onboard the Hubble Space Telescope (ACS/HST). The three small bodies are the smallest KBOs for which…

Astrophysics · Physics 2008-11-26 David E. Trilling , Gary M. Bernstein

We investigate what can be learned about a population of distant KBOs by studying the statistical properties of their light curves. Whereas others have successfully inferred the properties of individual, highly variable KBOs, we show that…

The observed size distribution of Kuiper belt objects (KBOs)--small icy and rocky solar system bodies orbiting beyond Neptune--is well described by a power law at large KBO sizes. However, recent work by Bernstein et al. (2003) indicates…

Astrophysics · Physics 2009-11-10 Margaret Pan , Re'em Sari

The Kuiper belt is a remnant of the primordial Solar System. Measurements of its size distribution constrain its accretion and collisional history, and the importance of material strength of Kuiper belt objects (KBOs). Small, sub-km sized,…

Earth and Planetary Astrophysics · Physics 2015-05-14 H. E. Schlichting , E. O. Ofek , M. Wenz , R. Sari , A. Gal-Yam , M. Livio , E. Nelan , S. Zucker

The occultation of background stellar sources by foreground Kuiper Belt Objects (KBOs) can be used to survey physical properties of the KBO population. We discuss statistics related to a KBO occultation survey, such as the event duration…

Astrophysics · Physics 2009-11-07 Asantha Cooray , Alison J. Farmer

We have performed a survey of the Kuiper belt covering ~ 1/3 a square degree of the sky using Suprime-cam on the Subaru telescope, to a limiting magnitude of m(R)~ 26.8 (50% threshold) and have found 36 new KBOs. We have confirmed that the…

Astrophysics · Physics 2009-11-13 W. C. Fraser , J. J. Kavelaars

We investigate the long-term evolution of the inclinations of the known classical and resonant Kuiper belt objects (KBOs). This is partially motivated by the observed bimodal inclination distribution and by the putative physical differences…

Earth and Planetary Astrophysics · Physics 2015-05-28 Kathryn Volk , Renu Malhotra

One of the most fundamental problems in the study of Kuiper belt objects (KBOs) is to know their true physical size. Without knowledge of their albedos we are not able to distinguish large and dark from small and bright KBOs. Spitzer…

Earth and Planetary Astrophysics · Physics 2015-05-14 Pedro Lacerda

This paper presents the results of collisional evolution calculations for the Kuiper belt starting from an initial size distribution similar to that produced by accretion simulations of that region - a steep power-law large object size…

Earth and Planetary Astrophysics · Physics 2014-11-20 Wesley C. Fraser

We present here the analysis of about 19,500 new star hours of low ecliptic latitude observations (|b| < 20 deg) obtained by the Hubble Space Telescope's FGS over a time span of more than nine years; which is an addition to the 12,000 star…

Extensive time-resolved observations of Kuiper Belt object 2001 QG298 show a lightcurve with a peak-to-peak variation of 1.14 +-0.04 magnitudes and single-peaked period of 6.8872 +- 0.0002 hr. The mean absolute magnitude is 6.85 magnitudes…

Astrophysics · Physics 2009-11-10 Scott S. Sheppard , David Jewitt

Kuiper belt objects (KBOs) are thought to be the remnant of the early solar system, and their size distribution provides an opportunity to explore the formation and evolution of the outer solar system. In particular, the size distribution…

Earth and Planetary Astrophysics · Physics 2019-10-23 K. Arimatsu , K. Tsumura , F. Usui , Y. Shinnaka , K. Ichikawa , T. Ootsubo , T. Kotani , T. Wada , K. Nagase , J. Watanabe

Recent stellar occultations have allowed accurate instantaneous size and apparent shape determinations of the large Kuiper belt object (50000)~Quaoar and the detection of two rings with spatially variable optical depths. In this paper we…

Earth and Planetary Astrophysics · Physics 2024-02-22 C. Kiss , T. G. Müller , G. Marton , R. Szakáts , A. Pál , L. Molnár , E. Vilenius , M. Rengel , J. L. Ortiz , E. Fernández-Valenzuela

We show, by comparing observations with theoretical models, that the observed Kuiper Belt size distribution is well matched by coagulation models, which start from an initial planetesimal population with radii of about 1km, and subsequent…

Earth and Planetary Astrophysics · Physics 2015-06-12 Hilke E. Schlichting , Cesar I. Fuentes , David E. Trilling

We present the results of a pencil-beam survey of the Kuiper Belt using the Keck 10-m telescope. A single 0.01 square degree field is imaged 29 times for a total integration time of 4.8 hr. Combining exposures in software allows the…

Astrophysics · Physics 2009-10-31 E. I. Chiang , M. E. Brown

The Kuiper Belt (KB) region of the solar system, stretching from 30 to at least 50 AU, contains Pluto-Charon, some ~105 Kuiper Belt Objects (KBOs) larger than 100 km in diameter, and myriad smaller bodies produced by collisions among KBOs…

Astrophysics · Physics 2009-11-07 S. A. Stern

Color measurements and albedo distributions introduce non-intuitive observational biases in size-color relationships among Kuiper Belt Objects (KBOs) that cannot be disentangled without a well characterized sample population with systematic…

Earth and Planetary Astrophysics · Physics 2015-06-16 R. E. Pike , J. J. Kavelaars

We present the results of a wide-field survey designed to measure the size, inclination, and radial distributions of Kuiper Belt Objects (KBOs). The survey found 86 KBOs in 73 square degrees observed to limiting red magnitude 23.7 using the…

Astrophysics · Physics 2009-11-06 Chadwick A. Trujillo , David C. Jewitt , Jane X. Luu

There are several observational campaigns under way to detect kilometer size foreground Kuiper Belt Objects (KBOs) through their occultation of background stars. The interpretation of an occultation light curve, unfortunately, is affected…

Astrophysics · Physics 2009-11-07 Asantha Cooray
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