Results 121 to 130 of about 4,025,746 (356)

An empirical prediction for stellar metallicity distributions in nearby galaxies

open access: yes, 2012
We combine star-formation histories derived from observations of high redshift galaxies with measurements of the z~0 relation between gas-phase metallicity, stellar mass, and star formation rate to make an explicit and completely empirical connection ...
Allende Prieto   +92 more
core   +1 more source

The high mass end of the stellar mass function: dependence on stellar population models and agreement between fits to the light profile [PDF]

open access: yes, 2016
We quantify the systematic effects on the stellar mass function that arise from assumptions about the stellar population, as well as how one fits the light profiles of the most luminous galaxies at z∼0.1.
M. Bernardi   +7 more
semanticscholar   +1 more source

The Stellar Mass Function

open access: yes, 1997
15 pages incl. 4 figures (LaTeX, style files included); The figures are larger than in the 12 page review that is to appear in PASPC: Brown Dwarfs and Extrasolar Planets, R. Rebolo, M.R. Zapatero Osorio and E.
openaire   +2 more sources

On the Mass Distribution of Stellar-Mass Black Holes

open access: yesOpen Astronomy, 2014
Abstract The observational stellar-mass black hole mass distribution exhibits a maximum at about 8 M ⊙. It can be explained via the details of the massive star evolution, supernova explosions, or consequent black hole evolution.
O. Yu. Malkov, O. Yu. Malkov
openaire   +3 more sources

Aβ42 promotes the aggregation of α‐synuclein splice isoforms via heterogeneous nucleation

open access: yesFEBS Letters, EarlyView.
The aggregation of amyloid‐β (Aβ) and α‐synuclein (αSyn) is associated with Alzheimer's and Parkinson's diseases. This study reveals that Aβ aggregates serve as potent nucleation sites for the aggregation of αSyn and its splice isoforms, shedding light on the intricate interplay between these two pathogenic proteins.
Alexander Röntgen   +2 more
wiley   +1 more source

Does stellar mass assembly history vary with environment? [PDF]

open access: yes, 2011
Using the publicly available VESPA database of SDSS Data Release 7 spectra, we calculate the stellar Mass Weighted Age (hereafter MWA) as a function of local galaxy density and dark matter halo mass.
Hoyle, Ben, Jimenez, Raul, Verde, Licia
core   +2 more sources

Neutrophil deficiency increases T cell numbers at the site of tissue injury in mice

open access: yesFEBS Letters, EarlyView.
In wild‐type mice, injury or acute inflammation induces neutrophil influx followed by macrophage accumulation. Mcl1ΔMyelo (neutrophil‐deficient) mice lack neutrophils, and in response to muscle injury show fewer macrophages and exhibit strikingly elevated T‐cell numbers, primarily non‐conventional “double‐negative” (DN) αβ and γδ T cells.
Hajnalka Halász   +6 more
wiley   +1 more source

Pulsation Period Change & Classical Cepheids: Probing the Details of Stellar Evolution

open access: yes, 2014
Measurements of secular period change probe real-time stellar evolution of classical Cepheids making these measurements powerful constraints for stellar evolution models, especially when coupled with interferometric measurements. In this work, we present
Bisol, Alexandra C.   +3 more
core   +1 more source

A stellar-mass black hole population in the globular cluster NGC 6101? [PDF]

open access: yes, 2016
Dalessandro et al. observed a similar distribution for blue straggler stars and main-sequence turn-off stars in the Galactic globular cluster NGC 6101, and interpreted this feature as an indication that this cluster is not mass-segregated. Using direct N-
Miklos Peuten   +4 more
semanticscholar   +1 more source

Exploring lipid diversity and minimalism to define membrane requirements for synthetic cells

open access: yesFEBS Letters, EarlyView.
Designing the lipid membrane of synthetic cells is a complex task, in which its various roles (among them solute transport, membrane protein support, and self‐replication) should all be integrated. In this review, we report the latest top‐down and bottom‐up advances and discuss compatibility and complexity issues of current engineering approaches ...
Sergiy Gan   +2 more
wiley   +1 more source

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