Results 71 to 80 of about 627,475 (313)

Models of Individual Blue Stragglers [PDF]

open access: yes, 2014
Chapter 12, in Ecology of Blue Straggler Stars, H.M.J. Boffin, G. Carraro & G.
openaire   +4 more sources

The blue straggler star population in NGC 6229★ [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2012
We have used a combination of high-resolution Hubble Space Telescope Wide Field Planetary Camera 2 and wide-field ground-based observations in ultraviolet and optical bands to study the blue straggler star (BSS) population of the outer halo globular cluster NGC 6229 over its entire radial extent.
Barbara Lanzoni   +6 more
openaire   +3 more sources

The blue stragglers formed via mass transfer in old open clusters [PDF]

open access: yes, 2006
In this paper, we present the simulations for the primordial blue stragglers in the old open cluster M67 based on detailed modelling of the evolutionary processes. The principal aim is to discuss the contribution of mass transfer between the components of close binaries to the blue straggler population in M67.
arxiv   +1 more source

The Hubble Space Telescope UV Legacy Survey of Galactic Globular Clusters. XV. The Dynamical Clock: Reading Cluster Dynamical Evolution from the Segregation Level of Blue Straggler Stars [PDF]

open access: yesAstrophysical Journal, 2018
The parameter A+, defined as the area enclosed between the cumulative radial distribution of blue straggler stars (BSSs) and that of a reference population, is a powerful indicator of the level of BSS central segregation.
F. Ferraro   +19 more
semanticscholar   +1 more source

From passenger to citizen—portraits of learning to be a physiotherapist

open access: yesPhysiotherapy Research International, Volume 28, Issue 1, January 2023., 2023
Abstract Background and Purpose Understanding the experiences of learners—and future graduates—is integral to their professional development and to the development of the profession. This paper adds to understanding of physiotherapy student experiences by exploring the ways students and recent graduates approach, learn about, connect with and form a ...
Sarah Barradell
wiley   +1 more source

Blue Stragglers in Low-Luminosity Star Clusters [PDF]

open access: yesAstrophys.J.635:L73-L76,2005, 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) clusters and the Galactic field. The anti-correlation between the relative frequency of blue stragglers
arxiv   +1 more source

On the Variability of Blue Straggler Stars in the Globular Cluster M53 [PDF]

open access: yesJournal of Astronomy and Space Sciences, 1998
We present the results of a search for photometric variable blue straggler stars (BSSs) in the globular cluster M53. Six of the 151 probable BSSs are identified as variable candidates based on the robust variable star detection technique of Welch ...
Soo-Chang Rey   +2 more
doaj  

Discovery of a Double Blue Straggler Sequence in M15: New Insight into the Core-collapse Process [PDF]

open access: yesAstrophysical Journal, 2019
In this paper we report the discovery of a double blue straggler star (BSS) sequence in the core of the core-collapsed cluster M15 (NGC 7078). We performed a detailed photometric analysis of the extremely dense core of the cluster using a set of images ...
G. Beccari   +10 more
semanticscholar   +1 more source

The blue stragglers of Omega Centauri

open access: yesThe Astrophysical Journal, 1986
On a obtenu les spectres 3500-5000 A (resolution 3,6 A) de six candidats. Ils ne presentent aucune caracteristique inhabituelle. les vitesses radiales montrent que ces six vagabondes bleues appartiennent a l'amas.
J. V. Villumsen   +2 more
openaire   +2 more sources

Constraining Mass-transfer Histories of Blue Straggler Stars with COS Spectroscopy of White Dwarf Companions [PDF]

open access: yesAstrophysical Journal, 2019
Recent studies show that the majority of blue straggler stars (BSSs) in old open clusters are formed through mass transfer from an evolved star onto a main-sequence companion, resulting in a BSS and white dwarf (WD) in a binary system.
N. Gosnell   +6 more
semanticscholar   +1 more source

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