2004/06/24 by Miguel Santander-Garcia, M. Santander-García, R. L. M. Corradi +4 · 11 citations
Physics and Astronomy · #Astronomy #Astrophysics #Astrophysics and Star Formation Studies #Bipolar outflow #Collimated light #Conical surface #Gamma-ray bursts and supernovae #Geology #Geometry #Nebula #Optics #Outflow #Physics #Star formation #Stars #Stellar, planetary, and galactic studies #astro-ph
paper · pdf · doi:10.1051/0004-6361:20041147
published as Astron.Astrophys. 426 (2004) 185-194 · 12 pages, 14 figures, accepted by A&A. Full resolution version available at http://www.iac.es/proyect/pn_iac/
arxiv created 2004/06/24 · openalex publication_date 2004/10/01 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
The structure and kinematics of the bipolar nebula Mz 3 have been investigated by means of HST, CTIO and ESO images and spectra. At least four distinct outflows have been identified which, from the inside to the outside, are the following: a pair of bright bipolar lobes, two opposite highly collimated column-shaped outflows, a conical system of radial structure, and a very dim, previously unnoticed, low-latitude and flattened (ring-like) radial outflow. A simple Hubble-law describes the velocity field of the ballisticaly expanding lobes, columns and rays, suggesting that their shaping has being done at very early stages of evolution, in a sort of eruptive events with increasing degree of collimation and expansion ages ranging from ~600 for the inner structures to ~1600 years (per kpc to the nebula) for the largest ones.