The discovery of a very massive star in W49

2014/07/17 by Shaowei Wu, Shi-Wei Wu, Arjan Bik +8
Mathematics · Physics and Astronomy · #Astro and Planetary Science #Astronomy #Astrophysics #Astrophysics and Star Formation Studies #Biology #Combinatorics #Context (archaeology) #Mathematics #Paleontology #Physics #Prime (order theory) #Star (game theory) #Star formation #Stars #Stellar, planetary, and galactic studies #astro-ph.GA #astro-ph.SR

paper · pdf · doi:10.1051/0004-6361/201424154

published as A&A 568, L13 (2014) · 5 pages, 3 figures, 1 table, accepted for publication in A&A Letters

arxiv created 2014/07/17 · openalex publication_date 2014/08/01 · arxiv updated 2014/09/05 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/06

Abstract

Context. Very massive stars (M> 100 M⊙) are very rare objects, but have a strong influence on their environment. The formation of this kind of objects is of prime importance in star formation, but observationally still poorly constrained.

Citations

• Spectral classification of O2-3.5 If*/WN5-7 stars
• UBVJHKsynthetic photometry of Galactic O stars
• AGE SPREAD IN W3 MAIN: LARGE BINOCULAR TELESCOPE/LUCI NEAR-INFRARED SPECTROSCOPY OF THE MASSIVE STELLAR CONTENT
• Massive star formation in the W49 giant molecular cloud: Implications for the formation of massive star clusters
• The Two Micron All Sky Survey (2MASS)
• DAOPHOT - A computer program for crowded-field stellar photometry
• Correcting for the Effects of Interstellar Extinction
• The Eddington factor as the key to understand the winds of the most massive stars. Evidence for a Γ-dependence of Wolf-Rayet type mass loss