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High supernova rate and enhanced star-formation triggered in M81-M82 encounter
Published online by Cambridge University Press: 01 August 2006
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It is a general belief that the starburst activity of a nearby galaxy M82 was triggered in a close encounter with its massive companion M81, a few tens of million years ago. Despite the lack of supernovae observed, multiwavelength radio observations of M82 discovered a considerable number of compact supernova remnant candidates. We use these remnants to estimate the supernova rate (SNR) and the enhanced star-formation (SFR) rate in M82, and compare them with rates in normal galaxies.
- Type
- Contributed Papers
- Information
- Proceedings of the International Astronomical Union , Volume 2 , Symposium S237: Triggered Star Formation in a Turbulent ISM , August 2006 , pp. 391
- Copyright
- Copyright © International Astronomical Union 2007
References
Beswick, R.J., Riley, J.D., Marti-Vidal, I.Pedlar, A., Muxlow, T.W.B., McDonald, A.R., Wills, K.A., Fenech, D. & Argo, M.K. 2006, MNRAS 369, 1221CrossRefGoogle Scholar
Huang, Z.P., Thuan, T.X., Chevalier, R.A., Condon, J.J. & Yin, Q.F. 1994, ApJ 424, 114CrossRefGoogle Scholar
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