English

Balmer-Dominated Shocks: A Concise Review

Astrophysics of Galaxies 2015-05-14 v4 High Energy Astrophysical Phenomena

Abstract

A concise and critical review of Balmer-dominated shocks (BDSs) is presented, summarizing the state of theory and observations, including models with/without shock precursors and their synergy with atomic physics. Observations of BDSs in supernova remnants are reviewed on an object-by-object basis. The relevance of BDSs towards understanding the acceleration of cosmic rays in shocks is emphasized. Probable and possible detections of BDSs in astrophysical objects other than supernova remnants, including pulsar wind nebulae and high-redshift galaxies, are described. The case for the continued future of studying BDSs in astrophysics is made, including their relevance towards understanding electron-ion temperature equilibration in collisionless shocks.

Keywords

Cite

@article{arxiv.0908.4080,
  title  = {Balmer-Dominated Shocks: A Concise Review},
  author = {Kevin Heng},
  journal= {arXiv preprint arXiv:0908.4080},
  year   = {2015}
}

Comments

20 pages, 7 figures (double-columned, font size 10). Accepted by PASA. Incorporates two rounds of comments by the referee

R2 v1 2026-06-21T13:39:43.866Z