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Showing 1–3 of 3 results
Advanced filters: Author: E. Vesperini Clear advanced filters

  • The origin of blue straggler stars (BSSs) is still unclear. Here the authors show that the BSS and binary fractions correlate with the host cluster parameters, indicating that BSSs have a binary-related origin mediated by the environment.

    • Francesco R. Ferraro
    • Barbara Lanzoni
    • Giampaolo Piotto
    ResearchOpen Access
    Nature Communications
    Volume: 17, P: 1-11

  • Blue Stragglers Stars (BSSs) are anomalously luminous main sequence stars in clusters. Here, the authors show evidence that the fraction of fast rotating BSSs increases for decreasing central density of the host system, suggesting fast spinning BSSs prefer low-density environments.

    • Francesco R. Ferraro
    • Alessio Mucciarelli
    • Mario Mateo
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-8

  • Globular clusters can be grouped into a few distinct families on the basis of the radial distribution of ‘blue stragglers’, stars with masses greater than those at the turn-off point on the main sequence; this grouping can yield a direct measure of the cluster’s dynamical age purely from observed properties.

    • F. R. Ferraro
    • B. Lanzoni
    • A. Mucciarelli
    Research
    Nature
    Volume: 492, P: 393-395