Transition of the stellar initial mass function explored using binary population synthesis
نویسندگان
چکیده
منابع مشابه
The Stellar Initial Mass Function
The current status of both the observational evidence and the theory of the stellar initial mass function (IMF) is reviewed, with particular attention to the two basic, apparently universal features shown by all observations of nearby stellar systems: (1) a characteristic stellar mass of the order of one solar mass, and (2) a power-law decline of the IMF at large masses similar to the original ...
متن کاملI. the Stellar Initial Mass Function
o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o oo o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o o We summarize recent bservati nal and the retical pr gress aimed at understanding the rigin f the stellar initial mass functi n (IMF), with specific f cus n galactic star-f rming regi ns. We synthesize data fr m vari us eff rts t determine the IMF in very y...
متن کاملThe Stellar Initial Mass Function and Beyond
A brief review is given of the basic observed features of the stellar IMF, and also of some of the theoretical ideas and simulations that may help to explain these features. The characteristic stellar mass of order one solar mass may derive from the typical masses of the observed starforming clumps in molecular clouds, and the typical clump mass may in turn be determined mainly by the Jeans mas...
متن کاملUnderstanding the Stellar Initial Mass Function
The essential features of the stellar Initial Mass Function are, rather generally, (1) a peak at mass of a few tenths of a solar mass, and (2) a power-law tail toward higher masses that is similar to the original Salpeter function. Recent work suggests that the IMF peak reflects a preferred scale of fragmentation associated with the transition from a cooling phase of collapse at low densities t...
متن کاملHow binary interactions affect stellar population synthesis
The single star-stellar population (ss-SSP) models are usually used for stellar population studies. However, there are more than 50% stars that are in binaries and evolve differently from single stars. This suggests when we model the stellar populations of galaxies and star clusters, the effects of binary interactions should be considered. Although a few works tried to model stellar populations...
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ژورنال
عنوان ژورنال: Monthly Notices of the Royal Astronomical Society: Letters
سال: 2013
ISSN: 1745-3933,1745-3925
DOI: 10.1093/mnrasl/slt033