Blue Straggler Stars beyond the Milky Way. II. A Binary Origin for Blue Straggler Stars in Magellanic Cloud Clusters [PDF]
The Astrophysical Journal, 2018 We have analyzed populations of blue straggler stars (BSSs) in 24 Magellanic Cloud (MC) star clusters using multi-passband Hubble Space Telescope images. We compiled a homogeneous BSS database, containing both traditional and evolved BSSs. We uncovered a
Weijia Sun +3 more
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Blue Straggler Stars in Galactic Open Clusters and the effect of field star contamination [PDF]
Astronomy & Astrophysics, 2008 We investigate the distribution of Blue Straggler stars in the field of three open star clusters. The main purpose is to highlight the crucial role played by general Galactic disk fore-/back-ground field stars, which are often located in the same region ...
A. Moitinho +27 more
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Blue Stragglers in Low-Luminosity Star Clusters [PDF]
The Astrophysical Journal, 2005 We examine the blue straggler populations of 13 low-luminosity (M_V_t >~ -6) globular clusters and 2 old open clusters. These clusters test blue straggler formation in environments intermediate between higher luminosity (and usually higher density ...
Eric L. Sandquist, Ferraro F. R.
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THE FREQUENCY OF FIELD BLUE-STRAGGLER STARS IN THE THICK DISK AND HALO SYSTEM OF THE GALAXY [PDF]
, 2015 We present an analysis of a new, large sample of field blue-straggler stars (BSSs) in the thick disk and halo system of the Galaxy, based on stellar spectra obtained during the Sloan Digital Sky Survey (SDSS) and the Sloan Extension for Galactic ...
Rafael M. Santucci +7 more
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Binary origin of blue straggler stars in Galactic star clusters [PDF]
Astronomy & AstrophysicsBuilding on the recent release of a new Gaia -based blue straggler star catalog in Galactic open star clusters (OCs), we explored the properties of these stars in a cluster sample spanning a wide range in fundamental parameters.
M. J. Rain +7 more
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The Astrophysical JournalWe investigate barium (Ba) abundances in blue straggler stars (BSSs) in two open clusters, NGC 7789 (1.6 Gyr) and M67 (4 Gyr), as signatures of asymptotic-giant-branch (AGB) mass transfer.
Andrew C. Nine +3 more
doaj +2 more sources
Rotational velocities of blue straggler stars in the globular cluster M55 [PDF]
Astronomy & AstrophysicsBy using high-resolution spectra acquired with FLAMES-GIRAFFE at the ESO/VLT, we measured the radial and rotational velocities of 115 stars in the Galactic globular cluster M55.
Alexandria Billi +5 more
semanticscholar +4 more sources
Blue Straggler Stars in Globular Clusters: a powerful tool to probe the internal dynamical evolution of stellar systems [PDF]
, 2014 This chapter presents an overview of the main observational results obtained to date about Blue Straggler Stars (BSSs) in Galactic Globular Clusters (GCs).
A. Dotter +80 more
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Investigating the Blue Straggler Stars radial distribution in globular clusters with Monte Carlo simulations [PDF]
Monthly notices of the Royal Astronomical Society, 2018 We investigate the evolution of the radial distribution of Blue Straggler Stars through a set of Monte Carlo simulations of star clusters under a variety of initial conditions.
A. Sollima, F. R. Ferraro
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Blue Stragglers as Long-Lived Stars [PDF]
Symposium - International Astronomical Union, 1981 The existence of blue stragglers in old open clusters with apparent mass more than twice the mass of the turnoff argues against simple binary mass transfer as the mechanism of their origin. The excess of blue stragglers to the red of the termination of the core hydrogen burning main sequence suggests that blue stragglers are not evolving normally ...
J. C. Wheeler, M. Breger
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