Discover what star clusters are and how they are formed. Understand the two main types of star clusters, some common examples, and how old some of...
, the shape of the BSS radial distribution and their level of central segregation have been found to be powerful tracers of the level of the dynamical evolution of the hosting cluster, thus allowing the definition of an empirical chronometer able to measure the dynamical age of star clusters....
We present a color-magnitude diagram analysis of deep Hubble Space Telescope imaging of a mass-limited sample of 18 intermediate-age (1-2 Gyr old) star clusters in the Magellanic Clouds, including eight clusters for which new data were obtained. We find that all star clusters in our sample ...
e, Unsupervised k-means clustering analysis of age-related proteins. The expression patterns of the age-related proteins in distinct clusters are shown. z-scored protein levels were mapped along three age stages (young, middle age and old) in the proximal and distal colon (P < 0.05, ...
Age of the Oldest Stars This method is based on observations of globular clusters. A globular cluster is essentially a group of a large number of stars (approximately one million stars!) huddled close together in space. As the stars in a globular cluster are pretty close together, their indiv...
We calculate the ages of 22/25 star clusters within the OSIRIS field using the equivalent widths of the CO 2.3 μm absorption feature and the Br γ nebular emission line. The star cluster age distribution has a clear peak at ages ≲ 20 Myr, indicative of current starburst activity ...
Rotation could lead to the double or extended MSTOs in the CMD of the star clusters with ages between about 0.8 and 2.2 Gyr. However, the extension is not significant, and it does not even exist in younger clusters. If the efficiency of the mixing were high enough, the effects of the ...
<italic>Context.</italic> The all-sky Milky Way Star Clusters (MWSC) survey provides uniform and precise ages, along with other relevant parameters, for a wide variety of clusters in the extended solar neighbourhood.<italic>Aims.</italic> In this
The luminosities of the core helium burning stars in six Magellanic Cloud intermediate-age star clusters, whose ages have recently been determined from photometry reaching below the main-sequence turnoff, are compared with the predictions of a new grid of theoretical models. It is found that for ...
Until now, reactor manufacturers – along with the most powerful names in data centers for the major IT platforms – have not been able to find a suitable place to build clusters of nuclear reactors that can supply the power needed for artificial intelligence endeavors, data centers and other ...