Results 31 to 40 of about 365 (142)
The Astrophysical Journal, 2023 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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BLUE STRAGGLER STAR POPULATIONS IN GLOBULAR CLUSTERS. I. DYNAMICAL PROPERTIES OF BLUE STRAGGLER STARS IN NGC 3201, NGC 6218, AND ω CENTAURI [PDF]
The Astrophysical Journal, 2014 We present the first dynamical study of Blue Straggler Stars (BSSs) in three Galactic globular clusters, NGC\,3201, NGC\,5139 ($ $Cen), and NGC\,6218, based on medium-resolution spectroscopy (R 10000) obtained with IMACS. Our BSS candidate selection technique uses HST/ACS and ESO/WFI photometric data out to $>\!4.5\,r_c$.
Simunovic, M., Puzia, Thomas H.
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Blue Stragglers in Low-Luminosity Star Clusters [PDF]
The Astrophysical Journal, 2005 13 pages, 3 figures, accepted to ApJ ...
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The Origin of Young Stellar Populations in NGC 1783: Accretion of External Stars
The Astrophysical JournalThe presence of young stellar populations in the Large Magellanic Cloud cluster NGC 1783 has caught significant attention, with suggestions ranging from it being a genuine secondary stellar generation to a population of blue straggler stars or simply ...
Li Wang +6 more
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Blue straggler stars in Galactic open clusters and the effect of field star contamination [PDF]
Astronomy & Astrophysics, 2008 11 pages, 4 figurs, in press as Research Note in A& ...
CARRARO, GIOVANNI +2 more
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Magnetic Field Amplification during Stellar Collisions between Low-mass Stars
The Astrophysical Journal LettersBlue straggler stars in stellar clusters appear younger and bluer than other cluster members, offering a unique opportunity to understand the stellar dynamics and populations within their hosts.
Taeho Ryu +4 more
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On blue straggler formation by direct collisions of main sequence stars [PDF]
The Astrophysical Journal, 1995 We report the results of new SPH calculations of parabolic collisions between main-sequence (MS) stars. The stars are assumed to be close to the MS turn-off point in a globular cluster and are therefore modeled as $n=3$, $ =5/3$ polytropes. We find that the high degree of central mass concentration in these stars has a profound effect on the ...
Lombardi, Jr., James C. +2 more
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Transitory Tidal Heating and Its Impact on Cluster Isochrones
The Astrophysical JournalThe kinetic energy in tidal flows, when converted into heat, can affect the internal structure of a star and shift its location on a color–magnitude diagram from that of standard models.
S. Jane Arthur +4 more
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Blue stragglers as the source of the high-velocity A stars
The Astrophysical Journal, 1988 A quantitative estimate of the contribution of blue stragglers to the stellar population in the solar neighborhood is made, with particular attention to the spatial distribution of early-type stragglers at large distance from the Galactic plane. Blue stragglers are assumed to be created in the disk at a rate consistent with the empirical data from open
Joseph C. Shields, Bruce A. Twarog
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This is a pre-print of a chapter for the Encyclopedia of Astrophysics (edited by I. Mandel, section editor F.R.N.
Wang, Chen, Ryu, Taeho
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