Results 11 to 20 of about 438,137 (232)

Cluster formation versus star formation rates around six regions in the LMC [PDF]

open access: yes, 2004
The stellar population and star clusters around six regions in the Large Magellanic Cloud (LMC) are studied to understand the correlation between star formation and cluster formation rates.
Subramaniam, Annapurni
core   +2 more sources

Sub-clinical abnormalities detected by PET/MRI in household tuberculosis contacts

open access: yesBMC Infectious Diseases, 2019
Background The understanding of early events following TB exposure is limited by traditional tests that rely on detection of an immune response to infection, which is delayed, or on imaging tests with low sensitivity for early disease.
James S. Molton   +11 more
doaj   +1 more source

Simultaneous Estimates of Star-cluster Age, Metallicity, Mass, and Extinction (SESAMME). I. Presenting an MCMC Approach to Spectral Stellar Population Fitting

open access: yesThe Astrophysical Journal, 2023
We present the first version release of SESAMME, a public, Python-based full spectrum fitting tool for Simultaneous Estimates of Star-cluster Age, Metallicity, Mass, and Extinction.
Logan H. Jones   +5 more
doaj   +1 more source

Nuclear star clusters [PDF]

open access: yesProceedings of the International Astronomical Union, 2009
AbstractThe centers of most galaxies in the local Universe are occupied by compact, barely resolved sources. Based on their structural properties, position in the Fundamental Plane, and integrated spectra, these sources clearly have a stellar origin. They are therefore called ‘nuclear star clusters’ (NCs) or ‘stellar nuclei’.
openaire   +2 more sources

The Stellar Content of Obscured Galactic Giant H II Regions: II. W42 [PDF]

open access: yes, 2000
We present near infrared J, H, and K images and K-band spectroscopy in the giant HII region W42. A massive star cluster is revealed; the color-color plot and K-band spectroscopic morphology of two of the brighter objects suggest the presence of young ...
Blum, R. D., Conti, P. S., Damineli, A.
core   +3 more sources

The Star Formation History of the Milky Way’s Nuclear Star Cluster

open access: yesThe Astrophysical Journal, 2023
We report the first star formation history study of the Milky Ways nuclear star cluster (NSC), which includes observational constraints from a large sample of stellar metallicity measurements.
Zhuo Chen   +8 more
doaj   +1 more source

Early dynamical evolution of star cluster systems [PDF]

open access: yes, 2009
Violent relaxation -- the protocluster dynamical response to the expulsion of its residual star forming gas -- is a short albeit crucial episode in the evolution of star clusters and star cluster systems. Because it is heavily driven by cluster formation
Geneviève Parmentier   +4 more
core   +1 more source

Identification of small molecules targeting homoserine acetyl transferase from Mycobacterium tuberculosis and Staphylococcus aureus

open access: yesScientific Reports, 2022
There is an urgent need to validate new drug targets and identify small molecules that possess activity against both drug-resistant and drug-sensitive bacteria.
Deepika Chaudhary   +13 more
doaj   +1 more source

Star cluster dynamics [PDF]

open access: yesPhilosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2010
Dynamical evolution plays a key role in shaping the current properties of star clusters and star cluster systems. A detailed understanding of the effects of evolutionary processes is essential to be able to disentangle the properties that result from dynamical evolution from those imprinted at the time of cluster formation.
openaire   +3 more sources

Star cluster ecology IVa: Dissection of an open star cluster---photometry [PDF]

open access: yes, 2000
The evolution of star clusters is studied using N-body simulations in which the evolution of single stars and binaries are taken self-consistently into account.
Hut, Piet   +3 more
core   +3 more sources

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