2016/03/03 by S. Martín, S. Aalto, K. Sakamoto +12 · 1 citation
Physics and Astronomy · #Astronomy and Astrophysical Research #Astrophysics and Star Formation Studies #Galaxies: Formation, Evolution, Phenomena #Infrared #Infrared astronomy #Observational study #Opacity #astro-ph.GA
paper · pdf · doi:10.1051/0004-6361/201528064
published as A&A 590, A25 (2016) · 14 pages accepted for publication in A&A
arxiv created 2016/03/03 · openalex publication_date 2016/03/04 · arxiv updated 2016/05/04 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
Context. The origin of the enormous luminosities of the two opaque nuclei of Arp 220, the prototypical ultra-luminous infrared galaxy, remains a mystery because we lack observational tools to explore the innermost regions around the nuclei.