Multiple Stellar Encounters on Protoplanetary Disks in Birth Clusters of Stars

• Autorzy: Jiménez-Torres J. J.

Identyfikatory

DOI

10.32023/0001-5237/70.1.4

• Języki publikacji: EN

Abstrakty

EN

We investigate the orbital modification of planetesimals in protoplanetary disks due to multiple stellar encounters in star formation clusters. We modeled multiple encounters with different flyby masses ranging from 0.02 M⊙ up to 0.5 M⊙, approach distances within 400 a.u. and virial velocities to simulate conditions of encounters in star formation regions. We propose an analysis of mass densities as a function of time and found that densities from 3×103 M⊙/pc³ to 1.4×10⁴ M⊙/pc³ can produce from one up to three stellar encounters on a cross sectional area with a radius of 400 a.u. containing a 100 a.u. planetary disk in a period of time of 1×10⁶ yr. We found that the orbital structure of observed transneptunian objects such as 2005 QU182 and the sednoid 2012 VP113 can simultaneously be produced with multiple encounters. We also found that the effect of multiple encounters with low mass stars (<0.5 M⊙) can reproduce similar orbital eccentricities and inclinations as produced by a single stellar encounter with a mass in the order of 1 M⊙. This corresponds to a realistic scenario considering that low mass stars represent the majority of the new born stars in a birth cluster of stars. We provide a relation between the number of stellar encounters on a cross sectional area and the stellar mass density. With interferometers such as ALMA, the influence of stellar encounters in star formation regions may become testable, which suggests the incorporation of different planetary disk conditions in future studies.

Słowa kluczowe

EN

stars: kinematics; stars: dynamics; kuiper belt: general; protoplanetary disks; planetary systems; planets: dynamical evolution; satellites: dynamical evolution; planets: stability; satellites: stability; planet-star interactions

• Wydawca: Copernicus Foundation for Polish Astronomy
• Czasopismo: Acta Astronomica
• Rocznik: 2020
• Tom: Vol. 70, No. 1
• Strony: 53--74
• Opis fizyczny: Bibliogr. 77 poz., rys., wykr.

Twórcy

autor

Jiménez-Torres J. J.

• Instituto de Astronomía, Universidad Nacional Autónoma de México, Apdo. Postal 70-264 Ciudad Universitaria, D.F., México
• Yatsukaho Research Center, Kanazawa Institute of Technology 3-1 Yatsukaho, Hakusan, Ishikawa 924-0838, Japan

Bibliografia

• Adams, F.C. 2010, Ann. Rev. Astron. Astrophys., 48, 47.
• Alexander, T. 1999, ApJ, 527, 835.
• Allen, L., et al. 2007, in: “Protostars and Planets V”, Ed. Jewitt, K. Keil, p. 361.
• Batygin, K., and Brown, M.E. 2016, AJ, 151, 22.
• Bhandare A., Breslau A., and Pfalzner S. 2016, A&A, 594, A53.)
• Bonnell I.A., Smith K.W., Davies M.B., and Horne K. 2001, MNRAS, 322, 859.
• Brasser, R., Duncan, M.J., and Levison, H.F. 2006, Icarus, 184, 59.
• Brasser, R., and Morbidelli, A. 2013, Icarus, 225, 40.
• Breslau, A., Steinhausen, M., Vincke, K., and Pfalzner, S. 2014, A&A, 565, A130.
• Chandar, R., Fall, S.M., and Whitmore, B.C. 2010, ApJ, 711, 1263.
• Clarke, C.J., and Pringle, J.E. 1993, MNRAS, 261, 190.
• Craig, J., and Krumholz, M.R. 2013, ApJ, 769, 150.
• Davies, M.B., Benz, W., and Hills, J.G. 1991, ApJ, 381, 449.
• de Juan Ovelar, M., Kruijssen, J.M.D., Bressert, E., Testi, L., Bastian, N., and Cánovas, H. 2012, A&A, 546, L1.
• de la Fuente Marcos, C., and de la Fuente Marcos, R. 2016, MNRAS, 459, L66.
• Dones L., Weissman P.R., Levison H.F., Duncan M.J. 2004, in: “Comets II”, Ed. M.C. Festou, H.U. Keller, and H.A. Weaver, p. 153.
• Dukes, D., and Krumholz, M.R. 2012, ApJ, 754, 56.
• Fall, S.M., Chandar, R., and Whitmore, B.C. 2009, ApJ, 704, 453.
• Fernández, J.A. 1997, Icarus, 129, 106.
• Genzel, R., et al. 2003, ApJ, 594, 812.
• Gladman, B., Marsden, B.G., and Vanlaerhoven, C. 2008, in: “The Solar System Beyond Neptune”, Ed. M.A. Barucci, H. Boehnhardt, D.P. Cruikshank, and A. Morbidelli p. 43.
• Haisch, K.E., Jr., Lada, E.A., and Lada, C.J. 2001, ApJ, 553, L153.
• Hayashi, C. 1981, Progress of Theoretical Physics Supplement, 70, 35.
• Hurley, J.R., Pols, O.R., Aarseth, S.J., and Tout, C.A. 2005, MNRAS, 363, 293.
• Ida, S., Larwood, J., and Burkert, A. 2000, ApJ, 528, 351.
• Jílková, L., Portegies Zwart, S., Pijloo, T., and Hammer, M. 2015, MNRAS, 453, 3157.
• Jiménez-Torres, J.J., and Pichardo, B.S. 2008, Revista Mexicana de Astronomia y Astrofisica Conference Series, 34, 121.
• Jiménez-Torres, J.J., Pichardo, B., Lake, G., and Throop, H. 2011, MNRAS, 418, 1272.
• Jiménez-Torres, J.J., Pichardo, B., Lake, G., and Segura, A. 2013, Astrobiology, 13, 491.
• Jiménez-Torres, J.J., Kamada, H. and Yamagishi, Y. 2018, ICIC Express Letters, 12, 76.
• Kenyon, S.J., and Bromley, B.C. 2004, Nature, 432, 598.
• Kennicutt, R.C., and Evans, N.J. 2012, Ann. Rev. Astron. Astrophys., 50, 531.
• Kobayashi, H., and Ida, S. 2001, Icarus, 153, 416.
• Kroupa, P. 2002, Science, 295, 82.
• Kroupa, P. 1995, MNRAS, 277, 1522.
• Kuhn M.A., Hillenbrand L.A., Sills A., Feigelson E.D., and Getman K.V. 2019, ApJ, 870, 32.
• Kuznetsova, A., Hartmann, L., and Ballesteros-Paredes, J. 2015, ApJ, 815, 27.
• Lada, C.J., and Lada, E.A. 2003, Ann. Rev. Astron. Astrophys., 41, 57.
• Levison H.F., Morbidelli A., and Dones L. 2004, AJ, 128, 2553.
• Liu, C., Ruchti, G., Feltzing, S., Martínez-Barbosa, C.A., Bensby, T., Brown, A.G.A., and Portegies Zwart, S.F. 2015, A&A, 575, A51.
• Looney, L.W., Tobin, J.J., and Fields, B.D. 2006, ApJ, 652, 1755.
• Malhotra, R. 2008, Bulletin of the American Astronomical Society, 40, 38.01.
• Malmberg, D., Davies, M.B., and Heggie, D.C. 2011, MNRAS, 411, 859.
• Malmberg, D., de Angeli, F., Davies, M.B., Church, R.P., Mackey, D., and Wilkinson, M.I. 2007, MNRAS, 378, 1207.
• Martínez-Barbosa, C.A., Brown, A.G.A., Boekholt, T., Portegies Zwart, S., Antiche, E., and Antoja, T. 2016, MNRAS, 457, 1062.
• Marzari, F., and Picogna, G. 2013, A&A, 550, A64.
• McNamara, B.J., and Sanders, W.L. 1978, A&A, 62, 259.
• Moeckel, N., and Bally, J. 2006, ApJ, 653, 437.
• Montgomery, K.A., Marschall, L.A., and Janes, K.A. 1993, AJ, 106, 181.
• Morbidelli, A., and Levison, H.F. 2004, AJ, 128, 2564.
• Morbidelli, A., Brown M.E., and Levison H.F. 2003, Earth, Moon, and Planets, 92, 1.
• Nordlander, T., Rickman, H., and Gustafsson, B. 2017, A&A, 603, A112.
• Olczak, C., Kaczmarek, T., Harfst, S., Pfalzner, S., and Portegies Zwart, S. 2012, ApJ, 756, 123.
• Olczak, C., Pfalzner, S., and Eckart, A. 2010, A&A, 509, AA63.
• Pfalzner, S. 2009, A&A, 498, L37.
• Pfalzner, S. 2013, A&A, 549, A82.
• Pfalzner, S., Bhandare, A., Vincke, K., and Lacerda, P. 2018, ApJ, 863, 45.
• Pfalzner, S., Vogel P., Scharwächter J., and Olczak C. 2005, A&A, 437, 967.
• Portegies Zwart, S.F., McMillan S.L.W., and Gieles M. 2010, Ann. Rev. Astron. Astrophys., 48, 431.
• Portegies Zwart, S.F. 2009, ApJ, 696, L13.
• Proszkow, E.-M., and Adams, F.C. 2009, ApJS, 185, 486.
• Pryor, C., and Meylan, G. 1993, ASP Conf. Series, 50, 357.
• Rasio, F.A., and Shapiro, S.L. 1990, ApJ, 354, 201.
• Rodriguez, J.E., et al. 2018, ApJ, 859, 150.
• Rosotti G.P., Dale J.E., de Juan OvelarM., Hubber D.A., Kruijssen J.M.D., Ercolano B., andWalch S. 2014, MNRAS, 441, 2094.
• Salpeter, E.E. 1955, ApJ, 121, 161.
• Schwamb, M.E., Brown, M.E., Rabinowitz, D.L., and Ragozzine, D. 2010, ApJ, 720, 1691.
• Sheppard, S.S., and Trujillo, C. 2016, AJ, 152, 221.
• Soares, J.S., and Gomes, R.S. 2013, A&A, 553, A110.
• Spurzem, R., Giersz, M., Heggie, D.C., and Lin, D.N.C. 2009, ApJ, 697, 458.
• Thies, I., Kroupa, P., and Theis, C. 2005, MNRAS, 364, 961.
• Trujillo, C.A., and Sheppard S.S. 2014, Nature, 507, 471.
• Vincke, K., and Pfalzner, S. 2018, ApJ, 868, 1.
• Vincke K., Breslau A., and Pfalzner S. 2015, A&A, 577, A115.
• Weidner, C., and Kroupa, P. 2004, MNRAS, 348, 187.
• Wijnen, T.P.G., Pols, O.R., Pelupessy, F.I., and Portegies Zwart, S. 2017, A&A, 604, A91.
• Winter, A.J., Clarke, C.J., Rosotti, G., and Booth, R.A. 2018, MNRAS, 475, 2314.