Results 31 to 40 of about 3,434,376 (288)
Galactic chemical evolution: Stellar yields and the initial mass function [PDF]
, 2015 We present a set of 144 Galactic chemical evolution models applied to a Milky Way analogue, computed using four sets of low+intermediate star nucleosynthetic yields, six massive star yield compilations, and six functional forms for the initial mass ...
Cavichia, Oscar +4 more
core +5 more sources
EVIDENCE FOR TWO DISTINCT STELLAR INITIAL MASS FUNCTIONS [PDF]
The Astrophysical Journal, 2012 We present velocity dispersion measurements of 20 Local Group stellar clusters (7 < log(age [yrs]) < 10.2) from integrated light spectra and examine the evolution of the stellar mass-to-light ratio, Upsilon_*. We find that the clusters deviate from the evolutionary tracks corresponding to simple stellar populations drawn from standard stellar ...
Zaritsky, Dennis +4 more
openaire +2 more sources
Stellar initial mass function varies with metallicity and time
Nature, 2023 Most structural and evolutionary properties of galaxies strongly rely on the stellar initial mass function (IMF), namely the distribution of the stellar mass formed in each episode of star formation. As the IMF shapes the stellar population in all stellar systems, it turns out to become one of the most fundamental concepts of modern astronomy.
Jiadong Li +6 more
openaire +3 more sources
Constraining the primordial initial mass function with stellar archaeology
, 2015 We present a new near-field cosmological probe of the initial mass function (IMF) of the first stars. Specifically, we constrain the lower-mass limit of the Population III (Pop III) IMF with the total number of stars in large, unbiased surveys of the ...
Bromm, Volker +3 more
core +2 more sources
Pediatric Blood &Cancer, EarlyView.ABSTRACT Pediatric gastroenteropancreatic neuroendocrine neoplasms (GEP‐NENs) are extremely rare and clinically heterogeneous. Management has largely been extrapolated from adult practice. This European Standard Clinical Practice Guideline (ESCP), developed by the EXPeRT network in collaboration with adult NEN experts, provides (adult) evidence ...
Michaela Kuhlen +23 more
wiley +1 more source
The Origin of the Initial Mass Function [PDF]
, 2006 We review recent advances in our understanding of the origin of the initial mass function (IMF). We emphasize the use of numerical simulations to investigate how each physical process involved in star formation affects the resulting IMF.
Bonnell, Ian A. +2 more
core
The Stellar Initial Mass Function at the Epoch of Reionization [PDF]
, 2008 I provide estimates of the ultraviolet and visible light luminosity density at z~6 after accounting for the contribution from faint galaxies below the detection limit of deep Hubble and Spitzer surveys.
Dave R. +3 more
core +2 more sources
Pediatric Blood &Cancer, EarlyView.ABSTRACT Background Oral mucositis is a common and debilitating side effect of childhood cancer and stem cell transplant treatments. It affects the quality of life of children and young people (CYP) and places a strain on services. Photobiomodulation is recommended for oral mucositis prevention in international guidance but is poorly implemented in UK ...
Claudia Heggie +4 more
wiley +1 more source
The Astrophysical Journal, 2022 This paper presents improved constraints on the low-mass stellar initial mass function (IMF) of the Boötes I (Boo I) ultrafaint dwarf galaxy, based on our analysis of recent deep imaging from the Hubble Space Telescope.
Carrie Filion +3 more
doaj +1 more source
The Stellar Initial Mass Function in the Galactic Center
, 2004 Massive stars define the upper limits of the star formation process, dominate the energetics of their local environs, and significantly affect the chemical evolution of galaxies.
A. Damineli +25 more
core +2 more sources