2008/07/21 by K. Ohnaka, Keiichi Ohnaka, H. Izumiura +9 · 1 citation
Physics and Astronomy · #Astronomy and Astrophysical Research #Astrophysics and Star Formation Studies #Stellar, planetary, and galactic studies #astro-ph
paper · pdf · doi:10.1051/0004-6361:200810229
7 pages, 3 figures, accepted for publication in A&A
arxiv created 2008/07/21 · openalex publication_date 2008/08/25 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/01
Context. Despite their carbon-rich photospheres, silicate carbon stars show 10 μm silicate emission. They are considered to have circumbinary or circum-companion disks, which serve as a reservoir of oxygen-rich material shed by mass loss in the past.