Results 41 to 50 of about 628,144 (303)
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
Y. Hatta +3 more
semanticscholar +1 more source
Blue Straggler Formation in Clusters [PDF]
AIP Conference Proceedings, 2010 Blue stragglers are thought to be formed from the merger or coalescence of two stars, but the details of their formation in clusters has been difficult to disentangle. We discuss the two main formation mechanisms for blue stragglers (stellar collisions or mass transfer in a binary system).
Alison Sills +2 more
openaire +3 more sources
Primordial binary evolution and blue stragglers [PDF]
Proceedings of the International Astronomical Union, 2009 AbstractBlue stragglers have been found in all populations. They are important in both stellar evolution and stellar population synthesis. Much evidence shows that blue stragglers are relevant to primordial binaries. Here, we summarize the links between binary evolution and blue stragglers, describe the characteristics of blue stragglers originating ...
Xuefei Chen, Zhanwen Han
openaire +6 more sources
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
semanticscholar +1 more source
A Kinematic View of NGC 1261: Structural Parameters, Internal Dispersion, Absolute Proper Motion, and Blue Straggler Stars [PDF]
Astrophysical Journal, 2020 We constructed a Hubble Space Telescope (HST) astrophotometric catalog of the central region of the Galactic globular cluster NGC 1261. This catalog, complemented with Gaia DR2 data sampling the external regions, has been used to estimate the structural ...
S. Raso +10 more
semanticscholar +1 more source
The Astrophysical Journal, 2023 We have used the “dynamical clock” to measure the level of dynamical evolution reached by three Galactic globular clusters (namely, NGC 3201, NGC 6316, and NGC 6440).
Francesco R. Ferraro +5 more
doaj +1 more source
Ecology of Blue Straggler Stars [PDF]
, 2015 Ecology of Blue Straggler Stars, H.M.J. Boffin, G. Carraro & G.
Boffin, Henri M. J. +2 more
openaire +4 more sources
Blue straggler populations of seven open clusters with Gaia DR2 [PDF]
Monthly notices of the Royal Astronomical Society, 2020 Blue straggler stars (BSS) are well studied in globular clusters but their systematic study with secure membership determination is lacking in open clusters.
K. Vaidya +3 more
semanticscholar +1 more source
Building Blue Stragglers with Stellar Collisions [PDF]
Proceedings of the International Astronomical Union, 2007 AbstractThe evolution of stellar collision products in cluster simulations has usually been modelled using simplified prescriptions. Such prescriptions either replace the collision product with an (evolved) main sequence star, or assume that the collision product was completely mixed during the collision.It is known from hydrodynamical simulations of ...
O. R. Pols, Evert Glebbeek
openaire +4 more sources
M67 Blue Stragglers with High-resolution Infrared Spectroscopy
The Astronomical Journal, 2023 We report on the first detailed infrared chemical analysis of five binary members (S277, S997, S975, S1031, and S1195) in the open cluster M67 (NGC 2682).
K. E. Brady +7 more
doaj +1 more source