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Barbara Lanzoni on Muck Rack

Barbara Lanzoni

As seen in: Nature, Astronomy and Astrophysics (A&A)
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Articles

A binary-related origin mediated by environmental conditions for blue straggler stars - Nature Communications

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By Francesco Ferraro, Barbara Lanzoni, Enrico Vesperini, Emanuele Dalessandro, Mario Cadelano, Cristina Pallanca, Giacomo Beccari, Domenico Nardiello, Mattia Libralato
| Nature Verified
Abstract Blue stragglers are anomalously massive core hydrogen-burning stars that, according to the theory of single star evolution, should not exist. They are suspected to form in mass-enhancement processes, involving binary evolution or stellar collisions. In dynamically active systems like globular clusters, the number of blue stragglers originated by collisions is expected to increase with the local density and the rate of stellar encounters.
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Fast rotating blue stragglers prefer loose clusters - Nature Communications

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By Francesco Ferraro, Lorenzo Monaco, Alessio Mucciarelli, Barbara Lanzoni, Cristina Pallanca, Mario Cadelano, Alex Billi, Alison Sills, Enrico Vesperini, Emanuele Dalessandro, Giacomo Beccari
| Nature Verified
Abstract Blue stragglers are anomalously luminous core hydrogen-burning stars formed through mass-transfer in binary/triple systems and stellar collisions. Their physical and evolutionary properties are largely unknown and unconstrained.
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