2003/10/24 by Yu. N. Efremov, Efremov, Yu. N.
Physics and Astronomy · #Astro and Planetary Science #Astrophysics (astro-ph) #FOS: Physical sciences #Gamma-ray bursts and supernovae #Stellar, planetary, and galactic studies #astro-ph
paper · pdf · doi:10.48550/arxiv.astro-ph/0310720
arxiv created 2003/10/24 · openalex publication_date 2003/10/24 · arxiv updated 2009/12/01 · openalex created_date 2020/05/13 · openalex updated_date 2026/07/28
The origin of the arc-shaped stellar complexes in the LMC4 region is still\nunknown. These perfect arcs could not have been formed by O-stars and SNe in\ntheir centers; the strong arguments exist also against the possibility of their\nformation from infalling gas clouds. The origin from microquasars/GRB jets is\nnot excluded, because there is the strong concentration of X-ray binaries in\nthe same region and the massive old cluster NGC 1978, probable site of\nformation of binaries with compact components, is there also. The last\npossibility is that the source of energy for formation of the stellar arcs and\nthe LMC4 supershell might be the the giant jet from the nucleus of the Milky\nWay, which might be active a dozen Myr ago.\n