Results 11 to 20 of about 146,569 (285)

IMF AND EVOLUTION OF CLOSE BINARIES AFTER STARFORMATION BURSTS

Odessa Astronomical Publications, 2017
This paper is a continuation and development of our previous articles (Popov et al., 1997, 1998). We use Scenario "Machine" (Lipunov et al., 1996b) - the population synthesis simulator (for single binary systems calculations the program is available in ...
S. B. Popov, M. E. Prokhorov, V. M. Lipunov   +2 more
doaj   +3 more sources

What went wrong? The evolution of the IMF 1941-1961

PSL Quarterly Review, 2013
Despite its promising start in 1946-47, the new IMF soon ceased to fulfil its expected role for almost nine years. An exploration is provided for the latter in the wider context of international economic cooperation. It was not until 1961 that the Fund's
L.S. PRESSNELL
doaj   +3 more sources

IMF Sovereign Debt Restructuring Framework: Origin, Evolution and Latest Updates of its Main Components [PDF]

Revista Direito GV, 2020
The first introductory manual of the IMF framework for Sovereign Debt Restructurings (SDRs) is introduced in this article. SDR processes, in which billions of dollars are negotiated, constitute key elements for the healthy recovery of an over-indebted ...
Alejandro Gabriel Manzo
doaj   +5 more sources

Effects of the integrated galactic IMF on the chemical evolution of the solar neighbourhood [PDF]

Monthly Notices of the Royal Astronomical Society, 2010
The initial mass function determines the fraction of stars of different intial mass born per stellar generation. In this paper, we test the effects of the integrated galactic initial mass function (IGIMF) on the chemical evolution of the solar ...
Bensby, Boily, Boily, Boissier, Calura, Calura, Cappellaro, Cayrel, Cescutti, Chabrier, Chiappini, Chiappini, Chiappini, Chiappini, Colavitti, Dame, Elmegreen, F. Calura, F. Matteucci, François, Gilmore, Gratton, Grevesse, Holmberg, Israelian, Iwamoto, Jorgensen, Kennicutt, Kennicutt, Kroupa, Kroupa, Kulkarni, Lada, Lada, Larsen, Larson, Martin, Massey, Matteucci, Matteucci, Matteucci, Matteucci, Matteucci, Matteucci, Miller, Méra, Olling, P. Kroupa, Pflamm-Altenburg, Pflamm-Altenburg, Rana, Recchi, Romano, Romano, Rŭžička, S. Recchi, Salpeter, Samland, Scalo, Sommer-Larsen, Talbot, Theis, Tinsley, Van den Hoeck, Weber, Weidner, Weidner, Weidner, Whelan, Zhang   +69 more
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Dynamical evolution of star clusters with top-heavy IMF [PDF]

Proceedings of the International Astronomical Union, 2019
AbstractSeveral observational and theoretical studies suggest that the initial mass function (IMF) slope for massive stars in globular clusters (GCs) depends on the initial cloud density and metallicity, such that the IMF becomes increasingly top-heavy with decreasing metallicity and increasing the gas density of the forming object.
Hosein Haghi, Ghasem Safaei, Akram H. Zonoozi, Pavel Kroupa   +3 more
openaire   +2 more sources

The Stellar IMF of Galactic Clusters and Its Evolution [PDF]

, 2007
We show that one can obtain a good fit to the measured main sequence mass function (MF) of a large sample of Galactic clusters (young and old) with a tapered Salpeter power law distribution function with an exponential truncation. The average value of the power law index is very close to Salpeter (~2.3), whereas the characteristic mass is in the range ...
De Marchi, Guido, Paresce, Francesco, Zwart, Simon Portegies   +2 more
openaire   +2 more sources

Multi-scale evolution of Kelvin–Helmholtz waves at the Earth's magnetopause during southward IMF periods [PDF]

Physics of Plasmas, 2022
At the Earth's low-latitude magnetopause, the Kelvin–Helmholtz instability (KHI), driven by the velocity shear between the magnetosheath and magnetosphere, has been frequently observed during northward interplanetary magnetic field (IMF) periods. However, the signatures of the KHI have been much less frequently observed during southward IMF periods ...
T. K. M. Nakamura, K. A. Blasl, H. Hasegawa, T. Umeda, Y.-H. Liu, S. A. Peery, F. Plaschke, R. Nakamura, J. C. Holmes, J. E. Stawarz, W. D. Nystrom   +10 more
openaire   +3 more sources

The Central Dark Matter Fraction of Massive Early-Type Galaxies

Frontiers in Astronomy and Space Sciences, 2022
Dark matter (DM) is predicted to be the dominant mass component in galaxies. In the central region of early-type galaxies it is expected to account for a large amount of the total mass, although the stellar mass should still represent the majority of the
C. Tortora, N. R. Napolitano, N. R. Napolitano   +2 more
doaj   +1 more source

The Star Formation Epoch of the Most Massive Early-Type Galaxies [PDF]

, 2006
We present new Keck spectroscopy of early-type galaxies in three galaxy clusters at z~0.5. We focus on the fundamental plane (FP) relation, and combine the kinematics with structural parameters determined from HST images.
Baugh C. M., Bower R. G., Buser R., Cappellari M., Clemens M. S., Jorgensen I., Jorgensen I., Jorgensen I., Jorgensen I., Kauffmann G., Le Borgne J. F., Nagashima M., Pieter G. van Dokkum, Roeland P. van der Marel, Tinsley B. M., van Dokkum P. G.   +15 more
core   +2 more sources

Hierarchical Bayesian inference of the Initial Mass Function in Composite Stellar Populations [PDF]

, 2017
The initial mass function (IMF) is a key ingredient in many studies of galaxy formation and evolution. Although the IMF is often assumed to be universal, there is continuing evidence that it is not universal.
Dries, M., Koopmans, L. V. E., Popping, G., Somerville, R. S., Trager, S. C.   +4 more
core   +2 more sources