Nonstandard Modeling of a Possible Blue Straggler Star, KIC 11145123 [PDF]
Astrophysical Journal, 2021 Nonstandard modeling of KIC 11145123, a possible blue straggler star, has been asteroseismically carried out based on a scheme to compute stellar models with the chemical compositions in their envelopes arbitrarily modified, mimicking the effects of some
Yoshiki Hatta +3 more
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WOCS 4540: Detailed Analysis of a very Long Orbital Period Blue Straggler [PDF]
Astrophysical Journal, 2023 WOCS 4540 is the longest orbital period (P orb = 3030 days) blue straggler star (BSS)—white dwarf (WD) pair in the old open cluster NGC 188. It also contains one of the most luminous BSS in the cluster.
Meng Sun, Robert D. Mathieu
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The First Detection of Blue Straggler Stars in the Milky Way Bulge [PDF]
, 2011 We report the first detections of Blue Straggler Stars (BSS) in the bulge of the Milky Way galaxy. Proper motions from extensive space-based observations along a single sight-line allow us to separate a sufficiently clean and well-characterized bulge ...
W. I. Clarkson +10 more
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Peculiarities in the Horizontal Branch Stars of Globular Cluster NGC 1851: Discovery of a Blue Straggler Companion to an EHB Star [PDF]
Astrophysical Journal, 2020 We present a study of far-UV (FUV) bright horizontal branch (HB) stars to understand the peculiarities seen in the HB sequence of the globular cluster NGC 1851, using ground- and space-based multiwavelength data.
Gaurav Singh +3 more
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GlobULeS-IV. UVIT/AstroSat detection of extremely low mass white dwarf companions to blue straggler stars in NGC 362 [PDF]
Astrophysical Journal, 2022 We report the discovery of extremely low mass white dwarfs (ELM WDs) as a companion of blue straggler stars (BSSs) in the Galactic globular cluster NGC 362 using images from AstroSat's Ultra Violet Imaging Telescope (UVIT). Spectral energy distributions (
Arvind K. Dattatrey +6 more
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The new detection of blue straggler stars in 50 open clusters using Gaia DR3 [PDF]
Astronomy & Astrophysics, 2023 The particularly abundant presence of blue straggler stars (BSS) in Galactic open clusters offers favorable conditions for detailed studies on the statistical properties and the origin of the blue straggler population.
Chunyan Li +3 more
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The fractions of post-binary-interaction stars and evolved blue straggler stars on the red giant branch of globular clusters [PDF]
Research in Astronomy and Astrophysics, 2021 The red giant branch (RGB) of globular clusters (GCs) is home to some exotic stars, which may provide clues on the formation of multiple stellar populations in GCs. It is well known that binary interactions are responsible for many exotic stars. Thus, it
Dandan Wei +6 more
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A new, Gaia-based, catalogue of blue straggler stars in open clusters [PDF]
Astronomy & Astrophysics, 2021 Context. Blue straggler stars are exotic objects present in all stellar environments whose nature and formation channels are still partially unclear. They seem to be particularly abundant in open clusters (OCs), thus offering a unique chance to tackle ...
M. J. Rain +5 more
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Multiple stellar populations and their influence on blue stragglers [PDF]
, 2010 It has become clear in recent years that globular clusters are not simple stellar populations, but may host chemically distinct sub-populations, typically with an enhanced helium abundance. These helium-rich populations can make up a substantial fraction
E. Glebbeek +2 more
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Explaining the Praesepe blue straggler HD 73666 [PDF]
, 2009 The blue straggler phenomenon is not yet well explained by current theory; however, evolutionary models of star clusters call for a good knowledge of it.
L. Fossati +7 more
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