Hostname: page-component-cb9f654ff-lqqdg Total loading time: 0 Render date: 2025-09-06T09:37:09.963Z Has data issue: false hasContentIssue false
  • English
  • Français

Radiation Driven Implosion and Triggered Star Formation

Published online by Cambridge University Press:  27 April 2011

T. G. Bisbas ,
A. P. Whitworth ,
R. Wünsch ,
D. A. Hubber  and
S. Walch
T. G. Bisbas
Affiliation:
Astronomical Institute, Academy of Sciences of the Czech Republic, Boční II 1401, 141 31 Prague, Czech Republic. email: t.bisbas@astro.cf.ac.uk
A. P. Whitworth
Affiliation:
School of Physics and Astronomy, Cardiff University, Queens Buildings, The Parade, Cardiff, CF24 3AA, United Kingdom
R. Wünsch
Affiliation:
Astronomical Institute, Academy of Sciences of the Czech Republic, Boční II 1401, 141 31 Prague, Czech Republic. email: t.bisbas@astro.cf.ac.uk
D. A. Hubber
Affiliation:
Department of Physics and Astronomy, University of Sheffield, Hicks Building, Hounsfield Road, Sheffield S3 7RH, United Kingdom
S. Walch
Affiliation:
School of Physics and Astronomy, Cardiff University, Queens Buildings, The Parade, Cardiff, CF24 3AA, United Kingdom
Rights & Permissions [Opens in a new window]

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

We present simulations of stable isothermal clouds exposed to ionizing radiation from a discrete external source, and identify the conditions that lead to Radiatively Driven Implosion and Star Formation. We use the Smoothed Particle Hydrodynamics code SEREN (Hubber et al. 2010) and the HEALPix-based photoionization algorithm described in Bisbas et al. (2009). We find that the incident ionizing flux is the critical parameter determining the evolution; high fluxes disperse the cloud, whereas low fluxes trigger star formation. We find a clear connection between the intensity of the incident flux and the parameters of star formation.

Keywords

hydrodynamicsmethods: numericalstars: formation(ISM:) HII regions

Information

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 6 , Symposium S270: Computational Star Formation , May 2010 , pp. 263 - 266
Copyright
Copyright © International Astronomical Union 2011

References

Barnes, J. & Hut, P. 1986, Nature, 324, 446CrossRefGoogle Scholar
Bate, M. R., Bonnell, I. A., & Price, N. M. 1995, MNRAS, 277, 362CrossRefGoogle Scholar
Bertoldi, F. 1989, ApJ, 346, 735CrossRefGoogle Scholar
Bisbas, T. G., Wünsch, R., Whitworth, A. P., & Hubber, D. A. 2009, A&A, 497, 649Google Scholar
Bonnell, I. A. 1994, MNRAS, 269, 837CrossRefGoogle Scholar
Bonnor, W. B. 1956, MNRAS, 116, 351CrossRefGoogle Scholar
Chauhan, N., Pandey, A. K., Ogura, K., Ojha, D. K., Bhatt, B. C., Ghosh, S. K., & Rawat, P. S. 2009, MNRAS, 396, 964CrossRefGoogle Scholar
Esquivel, A. & Raga, A. C. 2007, MNRAS, 377, 383CrossRefGoogle Scholar
Deharveng, L., Zavagno, A., & Caplan, J. 2005, A&A, 433, 565Google Scholar
Górski, K. M., Hivon, E., Banday, A. J., Wandelt, B. D., Hansen, F. K., Reinecke, M., & Bartelmann, M. 2005, ApJ, 622, 759CrossRefGoogle Scholar
Gritschneder, M., Naab, T., Burkert, A., Walch, S., Heitsch, F., & Wetzstein, M. 2009, MNRAS, 393, 21CrossRefGoogle Scholar
Hubber, D. A., Batty, C. P., McLeod, A., & Whitworth, A. P., 2010, A&A, submittedGoogle Scholar
Hubber, D. A., Goodwin, S. P., & Whitworth, A. P. 2006, A&A, 450, 881Google Scholar
Ikeda, H., et al. 2008, AJ, 135, 2323CrossRefGoogle Scholar
Kessel-Deynet, O. & Burkert, A. 2003, MNRAS, 338, 545CrossRefGoogle Scholar
Lefloch, B. & Lazareff, B. 1994, A&A, 289, 559Google Scholar
Lefloch, B. & Lazareff, B. 1995, A&A, 301, 522Google Scholar
Lefloch, B., Lazareff, B., & Castets, A. 1997, A&A, 324, 249Google Scholar
Miao, J., White, G. J., Thompson, M. A., & Nelson, R. P. 2009, ApJ, 692, 382CrossRefGoogle Scholar
Monaghan, J. J. 1992, ARAA, 30, 543CrossRefGoogle Scholar
Morgan, L. K., Thompson, M. A., Urquhart, J. S., & White, G. J. 2008, A&A, 477, 557Google Scholar
Price, D. J. 2007, Publications of the Astronomical Society of Australia, 24, 159CrossRefGoogle Scholar
Sandford, M. T. II, Whitaker, R. W., & Klein, R. I. 1982, ApJ, 260, 183CrossRefGoogle Scholar
Sugitani, K., Tamura, M., & Ogura, K. 1999, Star Formation 1999, Proceedings of Star Formation 1999, held in Nagoya, Japan, June 21 - 25, 1999, Editor: T. Nakamoto, Nobeyama Radio Observatory, p. 358–364, 358Google Scholar
Sugitani, K., Matsuo, H., Nakano, M., Tamura, M., & Ogura, K. 2000, AJ, 119, 323CrossRefGoogle Scholar