The initial conditions for star formation
Star Formation Under Cosmological Conditions
... When did the dark age end? Recent observations and their interpretation [4] indicate that the dark age ended about 180 million years after the recombination time of 387000 yrs and this is by about a factor of two shorter ...
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Molecular Cloud Evolution II. From cloud formation to the early stages of star formation in decaying conditions
... The initial conditions in our simulations are assumed to consist exclusively of atomic ...temperature conditions are typical of molecular clouds, so molecule formation must occur somewhere ...
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Star formation in Galactic flows
... of star forma- tion from galactic scale ...in star for- mation over a ...subsequent star formation in the dense ridge of gas thus ...the star formation from the point of ...
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Seeding the Galactic Centre gas stream: gravitational instabilities set the initial conditions for the formation of protocluster clouds
... nent star formation activity (see ...scenario, star formation is initiated at a com- mon zero point, triggered as the gas clouds are tidally compressed during their pericentre passage at ∼ 60 ...
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Kiloparsec-scale Simulations of Star Formation in Disk Galaxies. IV. Regulation of Galactic Star Formation Rates by Stellar Feedback
... the star formation process is expected to involve a competition between gravitational collapse and various forms of pressure support in the GMCs and their clumps ( ...and star formation are ...
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The initial conditions of observed star clusters - I. Method description and validation
... parametrized star cluster evolution code to a Markov Chain Monte Carlo code to determine the distribution of probable initial conditions of observed star clusters, that may serve as a starting ...
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What does a universal initial mass function imply about star formation?
... of star formation based on observing the same IMF in different ...one star-forming region produced systems with gener- ally equal-mass stars, whilst another produced systems with gener- ally ...
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SDSS IV MaNGA : constraints on the conditions for star formation in galaxy discs
... Future observations that can directly resolve gas dis- tributions in large and diverse samples of galaxies out to large radii will be highly valuable to further test the fragmentation-driven star formation ...
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The relation between accretion rates and the initial mass function in hydrodynamical simulations of star formation
... fluctuating conditions in the local ...The initial collapse masses have an approximately lognormal distribution with already an onset of a power law at large ...
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Galaxy and Mass Assembly (GAMA): the star formation rate dependence of the stellar initial mass function
... Turbulent star-forming gas and clump mass functions (Reid & Wilson 2005) indicate that a Salpeter-like IMF slope may be im- printed on the mass distribution of turbulent structures, and that all stellar clusters ...
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Low-Mass Star Formation and the Initial Mass Function in the ρ Ophiuchi Cloud Core 1
... The remaining ten sources are added to the IMF as a completeness correction in the following manner. As in § 3.2, extinctions are calculated by dereddening the J − H and H − K colors to the CTTS locus. When J photometry ...
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Galaxy and Mass Assembly (GAMA): the star formation rate dependence of the stellar initial mass function
... From star counts of local resolved stellar populations, the IMF is measured to have a high-mass (m > ...the star cluster IMF (Weidner & Kroupa 2005, 2006) is again a much debated ...Turbulent ...
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Star formation along the Hubble sequence Radial structure of the star formation of CALIFA galaxies
... Evidently, this whole field relies on empirical measures of the SFR. There is no shortage of methods of estimating the SFR, each with its virtues and caveats (see Kennicutt & Evans ( 2012 ) for a review). Some gauge ...
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The quenching of star formation in galaxies
... late-epoch formation of ETGs and ex- plain the reported growth of the red ...specific star formation rate (SSFR), or star formation rate (SFR) per unit stellar mass (SFR/M ⇤ ), would be ...
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General Theory of Star Formation
... : ð30Þ Figure 4 shows the error in our power-law fit as a function of M and ! vir . The error is less than 5% for values of ! vir from &0.5 to 3 and M from &10 to 1000. Since real star-forming clouds ...
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Star formation in nearby galaxies
... SCALE STAR FORMATION This brings us to star formation on galactic ...galaxy formation/evolution and the Hubble sequence are greatly influenced by the process of star birth, life ...
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Star formation and environment of galaxies
... wavelengths. To do so we employed 1.4 GHz radio continuum, UV, FIR and MIR imaging data to measure global SFR for a representative sample of nearby star-forming galaxies. We cross- correlated the SFRS catalogue ...
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The shape of the initial cluster mass function: What it tells us about the local star formation efficiency
... young star clusters remains much ...formed star clusters on a core mass dependent ...most star-forming cores have P ...gas-free star clusters only form out of cores more massive than 10 6 M ...
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Initial conditions for inflation
... the initial conditions problem of inflation with a ...required initial conditions for inflation on the plateau to ...chaotic initial conditions at the Planck scale for ...
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The mean star formation rates of unobscured QSOs: searching for evidence of suppressed or enhanced star formation
... mean star formation rates (SFRs) in the host galaxies of ∼3000 optically selected quasi-stellar objects (QSOs) from the Sloan Digital Sky Survey within the Herschel- ATLAS fields, and a radio-luminous ...
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