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of 48
pro vyhledávání: '"He, Chenyu"'
Extended main-sequence stars that are dim in the ultraviolet passbands of Hubble Space Telescope (UV-dim stars) are found in several young and intermediate-age Magellanic Cloud star clusters. The obscuring of the dust in the discs of stars expelled d
Externí odkaz:
http://arxiv.org/abs/2412.09217
Many young clusters possess extended main sequences, a phenomenon commonly ascribed to stellar rotation. However, the mechanism behind their very wide stellar rotation distributions remains unclear. A proposed explanation is that magnetic star-disk i
Externí odkaz:
http://arxiv.org/abs/2412.00520
Research has shown that many young and intermediate-age clusters (younger than $\sim$2 Gyr) have extended main sequences and main-sequence turnoffs (eMSTOs), which cannot be adequately described by a single isochrone. The reason for the extended main
Externí odkaz:
http://arxiv.org/abs/2404.12331
Autor:
He, Chenyu, Li, Chengyuan, Sun, Weijia, de Grijs, Richard, Li, Lu, Zhong, Jing, Qin, Songmei, Chen, Li, Wang, Li, Tang, Baitian, Shao, Zhengyi, Xu, Cheng
The split main sequences found in the colour-magnitude diagrams of star clusters younger than ~600 Myr are suggested to be caused by the dichotomy of stellar rotation rates of upper main-sequence stars. Tidal interactions have been suggested as a pos
Externí odkaz:
http://arxiv.org/abs/2309.01975
The detection of split main sequences (MSs) associated with young clusters ($\lesssim$600 Myr) has caught lots of attention. A prevailing scenario is that a bimodality of stellar rotation distribution drives the MS bifurcation. Nevertheless, the orig
Externí odkaz:
http://arxiv.org/abs/2304.02227
Autor:
He, Chenyu, Sun, Weijia, Li, Chengyuan, Li, Lu, Shao, Zhengyi, Zhong, Jing, Chen, Li, de Grijs, Richard, Tang, Baitian, Qin, Songmei, Randriamanakoto, Zara
In addition to the extended main-sequence turnoffs widely found in young and intermediate-age (~ 600 Myr-2 Gyr-old) star clusters, some younger clusters even exhibit split main sequences (MSs). Different stellar rotation rates are proposed to account
Externí odkaz:
http://arxiv.org/abs/2208.10843
Publikováno v:
In Pacific-Basin Finance Journal June 2024 85
Akademický článek
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Autor:
Baumgardt, Holger, He, Chenyu, Sweet, Sarah M., Drinkwater, Michael, Sollima, Antonio, Hurley, Jarrod, Usher, Christopher, Kamann, Sebastian, Dalgleish, Hannah S., Dreizler, Stefan, Husser, Tim-Oliver
We compare the results of a large grid of N-body simulations with the surface brightness and velocity dispersion profiles of the globular clusters $\omega$ Cen and NGC 6624. Our models include clusters with varying stellar-mass black hole retention f
Externí odkaz:
http://arxiv.org/abs/1907.10845