Ken Rice

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Personal profile

Research Interests

My research interests are in theoretical and computational astrophysics . One focus is the evolution of accretion discs and how this relates to the formation of stars and planets. I am particularly interested in accretion discs that are massive enough for their own self-gravity to play a role in their evolution. I also have an interest in the formation and evolution of planets and planetary systems.  In particular, I am interested in how planets can migrate very close to their parent stars and what happens to such planets when they do end up in these very close orbits.

My research in a nutshell

I currently focus mainly on understanding the formation and evolution of planets and planetary systems.  In particular I am interested in the formation of directly imaged, massive planets that have large orbital radii.  Our current understanding is that such systems are probably rare, and that is starting to become consistent with our theoretical understanding of their formation.  I'm also involved in one of the exoplanet detection programmes which is starting to announce both newly discovered systems, and more detailed information about the properties of some of the recently discovered systems. 

Education/Academic qualification

Doctor of Philosophy (PhD), University of KwaZulu-Natal

Award Date: 1 Jan 1998

Bachelor of Science, University of KwaZulu-Natal

Award Date: 1 Jan 1991

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  • An unusually low density ultra-short period super-Earth and three mini-Neptunes around the old star TOI-561

    Lacedelli, G., Malavolta, L., Borsato, L., Piotto, G., Nardiello, D., Mortier, A., Stalport, M., Cameron, A. C., Poretti, E., Buchhave, L. A., López-Morales, M., Nascimbeni, V., Wilson, T. G., Udry, S., Latham, D. W., Bonomo, A. S., Damasso, M., Dumusque, X., Jenkins, J. M., Lovis, C. & 21 others, Rice, K., Sasselov, D., Winn, J. N., Andreuzzi, G., Cosentino, R., Charbonneau, D., Fabrizio, L. D., Fiorenzano, A. F. M., Ghedina, A., Harutyunyan, A., Lienhard, F., Micela, G., Molinari, E., Pagano, I., Pepe, F., Phillips, D. F., Pinamonti, M., Ricker, G., Scandariato, G., Sozzetti, A. & Watson, C. A., 1 Mar 2021, In: Monthly Notices of the Royal Astronomical Society . 501, 3, p. 4148-4166 19 p.

    Research output: Contribution to journalArticlepeer-review

    Open Access
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  • An ultra-short period rocky super-Earth orbiting the G2-star HD 80653

    Frustagli, G., Poretti, E., Milbourne, T., Malavolta, L., Mortier, A., Singh, V., Bonomo, A. S., Buchhave, L. A., Zeng, L., Vanderburg, A., Udry, S., Andreuzzi, G., Collier-Cameron, A., Cosentino, R., Damasso, M., Ghedina, A., Harutyunyan, A., Haywood, R. D., Latham, D. W., López-Morales, M. & 9 others, Lorenzi, V., Fiorenzano, A. F. M., Mayor, M., Micela, G., Molinari, E., Pepe, F., Phillips, D., Rice, K. & Sozzetti, A., 23 Jan 2020, In: Astronomy & Astrophysics. 633, 11 p., A133.

    Research output: Contribution to journalArticlepeer-review

    Open Access
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  • A pair of TESS planets spanning the radius valley around the nearby mid-M dwarf LTT 3780

    Cloutier, R., Eastman, J. D., Rodriguez, J. E., Astudillo-Defru, N., Bonfils, X., Mortier, A., Watson, C. A., Stalport, M., Pinamonti, M., Lienhard, F., Harutyunyan, A., Damasso, M., Latham, D. W., Collins, K. A., Massey, R., Irwin, J., Winters, J. G., Charbonneau, D., Ziegler, C., Matthews, E. & 67 others, Crossfield, I. J. M., Kreidberg, L., Quinn, S. N., Ricker, G., Vanderspek, R., Seager, S., Winn, J., Jenkins, J. M., Vezie, M., Udry, S., Twicken, J. D., Tenenbaum, P., Sozzetti, A., Ségransan, D., Schlieder, J. E., Sasselov, D., Santos, N. C., Rice, K., Rackham, B. V., Poretti, E., Piotto, G., Phillips, D., Pepe, F., Molinari, E., Mignon, L., Micela, G., Melo, C., Medeiros, J. R. D., Mayor, M., Matson, R., Fiorenzano, A. F. M., Mann, A. W., Magazzú, A., Lovis, C., López-Morales, M., Lopez, E., Lissauer, J. J., Lépine, S., Law, N., Kielkopf, J. F., Johnson, J. A., Jensen, E. L. N., Howell, S. B., Gonzales, E., Ghedina, A., Forveille, T., Figueira, P., Dumusque, X., Dressing, C. D., Doyon, R., Díaz, R. F., Fabrizio, L. D., Delfosse, X., Cosentino, R., Conti, D. M., Collins, K. I., Cameron, A. C., Ciardi, D., Caldwell, D. A., Burke, C., Buchhave, L., Briceño, C., Boyd, P., Bouchy, F., Beichman, C., Artigau, É. & Almenara, J. M., 4 Jun 2020, In: Astronomical Journal. 160, 1

    Research output: Contribution to journalArticlepeer-review

  • Fragmentation favoured in discs around higher mass stars

    Cadman, J., Rice, K., Hall, C., Haworth, T. J. & Biller, B., 22 Jan 2020, In: Monthly Notices of the Royal Astronomical Society .

    Research output: Contribution to journalArticlepeer-review

    Open Access
    File
  • K2-111: an old system with two planets in near-resonance

    Mortier, A., Osorio, M. R. Z., Malavolta, L., Alibert, Y., Rice, K., Lillo-Box, J., Vanderburg, A., Oshagh, M., Buchhave, L., Adibekyan, V., Mena, E. D., Lopez-Morales, M., Charbonneau, D., Sousa, S. G., Lovis, C., Affer, L., Prieto, C. A., Barros, S. C. C., Benatti, S., Bonomo, A. S. & 47 others, Boschin, W., Bouchy, F., Cabral, A., Cameron, A. C., Cosentino, R., Cristiani, S., Demangeon, O. D. S., Marcantonio, P. D., D'Odorico, V., Dumusque, X., Ehrenreich, D., Figueira, P., Fiorenzano, A., Ghedina, A., Hernández, J. I. G., Haldemann, J., Harutyunyan, A., Haywood, R. D., Latham, D. W., Lavie, B., Curto, G. L., Maldonado, J., Manescau, A., Martins, C. J. A. P., Mayor, M., Mégevand, D., Mehner, A., Micela, G., Molaro, P., Molinari, E., Nunes, N. J., Pepe, F. A., Palle, E., Phillips, D., Piotto, G., Pinamonti, M., Poretti, E., Riva, M., Rebolo, R., Santos, N. C., Sasselov, D., Sozzetti, A., Mascareño, A. S., Udry, S., West, R. G., Watson, C. A. & Wilson, T. G., 1 Dec 2020, In: Monthly Notices of the Royal Astronomical Society . 499, 4, p. 5004-5021 18 p.

    Research output: Contribution to journalArticlepeer-review

    Open Access
    File
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