An excess of massive stars in the local 30 Doradus starburst [PDF]
Science, 2018 Observing more massive stars The number of stars that form at each mass is known as the initial mass function (IMF). For most masses, the IMF follows a power-law distribution, first determined by Edwin Salpeter in 1955. Schneider et al. used observations
F. Schneider +38 more
semanticscholar +1 more source
Stellar populations dominated by massive stars in dusty starburst galaxies across cosmic time [PDF]
Nature, 2018 All measurements of cosmic star formation must assume an initial distribution of stellar masses—the stellar initial mass function—in order to extrapolate from the star-formation rate measured for typically rare, massive stars (of more than eight solar ...
Zhi-Yu Zhang +4 more
semanticscholar +1 more source
Massive runaway and walkaway stars [PDF]
Astronomy & Astrophysics, 2018 We perform an extensive numerical study of the evolution of massive binary systems to predict the peculiar velocities that stars obtain when their companion collapses and disrupts the system.
M. Renzo +8 more
semanticscholar +1 more source
Response to Comment on “An excess of massive stars in the local 30 Doradus starburst” [PDF]
Science, 2018 Farr and Mandel reanalyze our data, finding initial mass function slopes for high-mass stars in 30 Doradus that agree with our results. However, their reanalysis appears to underpredict the observed number of massive stars.
F. Schneider +31 more
semanticscholar +1 more source
Binary Interaction Dominates the Evolution of Massive Stars [PDF]
Science, 2012 Star Partners Stars more massive than eight times the mass of the Sun are rare and short-lived, yet they are fundamentally important because they produce all the heavy elements in the universe, such as iron, silicon, and calcium. Sana et al. (p.
H. Sana +9 more
semanticscholar +1 more source
Efficient formation of massive galaxies at cosmic dawn by feedback-free starbursts [PDF]
Monthly notices of the Royal Astronomical Society, 2023 JWST observations indicate a surprising excess of luminous galaxies at z ∼ 10 and above, consistent with efficient conversion of the accreted gas into stars, unlike the suppression of star formation by feedback at later times.
A. Dekel +4 more
semanticscholar +1 more source
Quark deconfinement as a supernova explosion engine for massive blue supergiant stars [PDF]
Nature Astronomy, 2017 Blue supergiant stars develop into core-collapse supernovae—one of the most energetic outbursts in the Universe—when all nuclear burning fuel is exhausted in the stellar core.
T. Fischer +8 more
semanticscholar +1 more source
Very massive stars, pair-instability supernovae and intermediate-mass black holes with the sevn code [PDF]
, 2017 Understanding the link between massive ($\gtrsim 30$ M$_{\odot{}}$) stellar black holes (BHs) and their progenitor stars is a crucial step to interpret observations of gravitational-wave events.
M. Spera, M. Mapelli
semanticscholar +1 more source
Massive pulsating stars observed by BRITE-Constellation - I. The triple system β Centauri (Agena) [PDF]
, 2016 This paper aims to precisely determine the masses and detect pulsation modes in the two massive components of Beta Cen with BRITE-Constellation photometry. In addition, seismic models for the components are considered and the effects of fast rotation are
A. Pigulski +18 more
semanticscholar +1 more source
Dynamical ejections of massive stars from young star clusters under diverse initial conditions [PDF]
, 2016 We study the effects of initial conditions of star clusters and their massive star population on dynamical ejections of massive stars from star clusters up to an age of 3 Myr.
Seungkyung Oh, P. Kroupa
semanticscholar +1 more source