2008/02/18 by N. L. Martin-Hernandez, N. L. Martín-Hernández, C. Esteban +5
Physics and Astronomy · #Archaeology #Astrobiology #Astronomy #Astrophysics #Astrophysics and Star Formation Studies #Atomic and Molecular Physics #Context (archaeology) #Geography #Nebula #Physics #Planetary nebula #Stars #Stellar, planetary, and galactic studies #astro-ph
paper · pdf · doi:10.1051/0004-6361:20079039
14 pages, 8 figures. Accepted for publication in A&A
openalex publication_date 2008/02/18 · arxiv created 2008/02/21 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
Context. There is considerable controversy surrounding the nature of M1-78, a compact nebula located beyond the Perseus arm. It was first classified as a planetary nebula and is nowadays generally considered to be a compact H II region.