The taos project: Upper bounds on the population of small kuiper belt objects and tests of models of formation and evolution of the outer solar system

F. B. Bianco, Z. W. Zhang, M. J. Lehner, S. Mondal, S. K. King, J. Giammarco, M. J. Holman, N. K. Coehlo, J. H. Wang, C. Alcock, T. Axelrod, Y. I. Byun, W. P. Chen, K. H. Cook, R. Dave, I. De Pater, D. W. Kim, T. Lee, H. C. Lin, J. J. LissauerS. L. Marshall, P. Protopapas, J. A. Rice, M. E. Schwamb, S. Y. Wang, C. Y. Wen

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

We have analyzed the first 3.75 years of data from the Taiwanese American Occultation Survey (TAOS). TAOS monitors bright stars to search for occultations by Kuiper Belt objects (KBOs). This data set comprises 5 × 105 star hours of multi-telescope photometric data taken at 4 or 5 Hz. No events consistent with KBO occultations were found in this data set. We compute the number of events expected for the Kuiper Belt formation and evolution models of Pan & Sari, Kenyon & Bromley, Benavidez & Campo Bagatin, and Fraser. A comparison with the upper limits we derive from our data constrains the parameter space of these models. This is the first detailed comparison of models of the KBO size distribution with data from an occultation survey. Our results suggest that the KBO population is composed of objects with low internal strength and that planetary migration played a role in the shaping of the size distribution.

Original languageEnglish
Pages (from-to)1499-1514
Number of pages16
JournalAstronomical Journal
Volume139
Issue number4
DOIs
Publication statusPublished - 2010 Mar 23

Fingerprint

Kuiper belt
occultation
solar system
stars
monitors
test
project
telescopes

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Bianco, F. B. ; Zhang, Z. W. ; Lehner, M. J. ; Mondal, S. ; King, S. K. ; Giammarco, J. ; Holman, M. J. ; Coehlo, N. K. ; Wang, J. H. ; Alcock, C. ; Axelrod, T. ; Byun, Y. I. ; Chen, W. P. ; Cook, K. H. ; Dave, R. ; De Pater, I. ; Kim, D. W. ; Lee, T. ; Lin, H. C. ; Lissauer, J. J. ; Marshall, S. L. ; Protopapas, P. ; Rice, J. A. ; Schwamb, M. E. ; Wang, S. Y. ; Wen, C. Y. / The taos project : Upper bounds on the population of small kuiper belt objects and tests of models of formation and evolution of the outer solar system. In: Astronomical Journal. 2010 ; Vol. 139, No. 4. pp. 1499-1514.
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abstract = "We have analyzed the first 3.75 years of data from the Taiwanese American Occultation Survey (TAOS). TAOS monitors bright stars to search for occultations by Kuiper Belt objects (KBOs). This data set comprises 5 × 105 star hours of multi-telescope photometric data taken at 4 or 5 Hz. No events consistent with KBO occultations were found in this data set. We compute the number of events expected for the Kuiper Belt formation and evolution models of Pan & Sari, Kenyon & Bromley, Benavidez & Campo Bagatin, and Fraser. A comparison with the upper limits we derive from our data constrains the parameter space of these models. This is the first detailed comparison of models of the KBO size distribution with data from an occultation survey. Our results suggest that the KBO population is composed of objects with low internal strength and that planetary migration played a role in the shaping of the size distribution.",
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Bianco, FB, Zhang, ZW, Lehner, MJ, Mondal, S, King, SK, Giammarco, J, Holman, MJ, Coehlo, NK, Wang, JH, Alcock, C, Axelrod, T, Byun, YI, Chen, WP, Cook, KH, Dave, R, De Pater, I, Kim, DW, Lee, T, Lin, HC, Lissauer, JJ, Marshall, SL, Protopapas, P, Rice, JA, Schwamb, ME, Wang, SY & Wen, CY 2010, 'The taos project: Upper bounds on the population of small kuiper belt objects and tests of models of formation and evolution of the outer solar system', Astronomical Journal, vol. 139, no. 4, pp. 1499-1514. https://doi.org/10.1088/0004-6256/139/4/1499

The taos project : Upper bounds on the population of small kuiper belt objects and tests of models of formation and evolution of the outer solar system. / Bianco, F. B.; Zhang, Z. W.; Lehner, M. J.; Mondal, S.; King, S. K.; Giammarco, J.; Holman, M. J.; Coehlo, N. K.; Wang, J. H.; Alcock, C.; Axelrod, T.; Byun, Y. I.; Chen, W. P.; Cook, K. H.; Dave, R.; De Pater, I.; Kim, D. W.; Lee, T.; Lin, H. C.; Lissauer, J. J.; Marshall, S. L.; Protopapas, P.; Rice, J. A.; Schwamb, M. E.; Wang, S. Y.; Wen, C. Y.

In: Astronomical Journal, Vol. 139, No. 4, 23.03.2010, p. 1499-1514.

Research output: Contribution to journalArticle

TY - JOUR

T1 - The taos project

T2 - Upper bounds on the population of small kuiper belt objects and tests of models of formation and evolution of the outer solar system

AU - Bianco, F. B.

AU - Zhang, Z. W.

AU - Lehner, M. J.

AU - Mondal, S.

AU - King, S. K.

AU - Giammarco, J.

AU - Holman, M. J.

AU - Coehlo, N. K.

AU - Wang, J. H.

AU - Alcock, C.

AU - Axelrod, T.

AU - Byun, Y. I.

AU - Chen, W. P.

AU - Cook, K. H.

AU - Dave, R.

AU - De Pater, I.

AU - Kim, D. W.

AU - Lee, T.

AU - Lin, H. C.

AU - Lissauer, J. J.

AU - Marshall, S. L.

AU - Protopapas, P.

AU - Rice, J. A.

AU - Schwamb, M. E.

AU - Wang, S. Y.

AU - Wen, C. Y.

PY - 2010/3/23

Y1 - 2010/3/23

N2 - We have analyzed the first 3.75 years of data from the Taiwanese American Occultation Survey (TAOS). TAOS monitors bright stars to search for occultations by Kuiper Belt objects (KBOs). This data set comprises 5 × 105 star hours of multi-telescope photometric data taken at 4 or 5 Hz. No events consistent with KBO occultations were found in this data set. We compute the number of events expected for the Kuiper Belt formation and evolution models of Pan & Sari, Kenyon & Bromley, Benavidez & Campo Bagatin, and Fraser. A comparison with the upper limits we derive from our data constrains the parameter space of these models. This is the first detailed comparison of models of the KBO size distribution with data from an occultation survey. Our results suggest that the KBO population is composed of objects with low internal strength and that planetary migration played a role in the shaping of the size distribution.

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