Variation in the Stellar Initial Mass Function from the Chromospheric ...

Variation in the Stellar Initial Mass Function from the Chromospheric Activity of M Dwarfs in Early-type Galaxies, Pieter van Dokkum, ...

Variation in the stellar initial mass function from the chromospheric ...

The stellar initial mass function (IMF) is bottom-heavy in the central regions of many early-type galaxies, with an excess of low mass stars compared to the ...

Download Citation | Variation in the Stellar Initial Mass Function from the Chromospheric Activity of M Dwarfs in Early-type Galaxies | Mass measurements ...

Variation in the stellar initial mass function from the chromospheric ...

Mass measurements and absorption line studies indicate that the stellar initial mass function (IMF) is bottom-heavy in the central regions of many ...

The Variation in the Galaxy-wide Initial Mass Function for Low-mass ...

The stellar initial mass function (IMF) characterizes the mass distribution of newly formed stars in various cosmic environments, serving as a fundamental ...

Radial variations in the stellar initial mass function of early-type ...

The hypothesis of a universal initial mass function (IMF) - motivated by observations in nearby stellar systems - has been recently challenged by the ...

[PDF] The Stellar Initial Mass Function in Early-type Galaxies from ...

There is good evidence that the centers of massive early-type galaxies have a bottom-heavy stellar initial mass function (IMF) compared to ...

A Universal Stellar Initial Mass Function? A Critical Look at Variations

Despite some variations in the functional form, most observational IMF models identify the existence of a peak at around 0.3 M ⊙ and a power-law ...

Systematic variation of the stellar initial mass function in early-type ...

We find a strong systematic variation in IMF in early-type galaxies as a function of their stellar mass-to-light ratios, producing differences of a factor of ...

The Origin and Universality of the Stellar Initial Mass Function

To place the issue in an observational context, we summarize the techniques used to determine the IMF for different stellar populations, the uncertainties ...

Evidence for Initial Mass Function Variation in Massive Early-Type ...

Lensing and dynamical models, assuming a constant mass-to-light ratio for the stellar component, infer heavy IMFs, superficially supporting the result from ...

A massive compact quiescent galaxy at z = 2 with a complete ... - OUCI

Cappellari, M. et al. Systematic variation of the stellar initial mass function in early-type galaxies. Nature 484, 485–488 (2012). https ...

Stellar Chromospheric Variability - MDPI

Chromospheres exhibit temperature inversion. The temperature of the solar chromosphere initially cools down from the Sun's surface temperature ...

The Substellar Mass Function: A Bayesian Approach

Observable variations in the underlying mass function are most apparent in the T dwarf regime. ... 142, The Stellar Initial Mass Function, ed. G. Gilmore & D.

A systematic variation of the stellar initial mass function in early-type ...

Here we report unambiguous evidence for a strong systematic variation of the IMF in early-type galaxies as a function of their stellar mass-to-light ratio.

Sun - Wikipedia

This process will make the Sun large enough to render Earth uninhabitable approximately five billion years from the present. After the red giant phase, models ...

Our Sun: Facts - NASA Science

During this cycle, the Sun's photosphere, chromosphere, and corona change from quiet and calm to violently active. The height of the Sun's activity cycle, known ...

A Universal Stellar Initial Mass Function? A Critical Look at Variations

Foremost among the tools we have to investigate the origin of stellar masses is the initial mass function (IMF). The IMF was first introduced by ...

An ultra-short-period super-Earth with an extremely high density and ...

Considering both methods together, the K2 photometry suggests a rotation period (P_\textrm{rot}) in the range of \sim20–40 days. The field of K2 ...

Radio signatures of star–planet interactions, exoplanets and space ...

Radio observations of the Sun and other solar-like and low-mass stars have shown that stellar flare production involves all layers of the ...