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arXiv:astro-ph/0501142 (astro-ph)
[Submitted on 10 Jan 2005]

Title:Blue Stragglers as Stellar Collision Products: the Angular Momentum Question

Authors:Alison Sills, Tim Adams, Melvyn B. Davies
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Abstract: We investigate the structure and evolution of blue stragglers stars which were formed from direct stellar collisions between main sequence stars in globular clusters. In particular, we look at the rotational evolution of the products of off-axis collisions. As found in previous work, such blue stragglers initially have too high an angular momentum to contract down to the main sequence. We consider angular momentum loss through either disc locking or locking to an outflowing wind and show that both methods allow the merged object to shed sufficient angular momentum to contract down to the main sequence.
Comments: accepted by MNRAS
Subjects: Astrophysics (astro-ph)
Cite as: arXiv:astro-ph/0501142
  (or arXiv:astro-ph/0501142v1 for this version)
  https://doi.org/10.48550/arXiv.astro-ph/0501142
Journal reference: Mon.Not.Roy.Astron.Soc. 358 (2005) 716-725
Related DOI: https://doi.org/10.1111/j.1365-2966.2005.08809.x

Submission history

From: Alison Sills [view email]
[v1] Mon, 10 Jan 2005 16:06:40 UTC (134 KB)
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