red giant branch
The Mechanism of Interacting Stellar Winds beyond Red Giant Branch
... that Red Giant Branch (RGB) is the progenitors of the nebulae but the details of the transition from one type of objecting the other are not known ...Asymptotic Giant Branch (AGB) ...
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Star planet interactions: II is planet engulfment the origin of fast rotating red giants?
... After the engulfment, the surface velocity decreases because the stellar envelope continues to expand, but it remains above 8 km s −1 for a time, i.e. nearly 36 Myr (see Table A.3), which means for about 15% of the total ...
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Selected topics in the evolution of low-mass stars
... the red giant branch, low-mass stars are expected to lose large amounts of mass as they ...low-mass red giants, guided by the latest available empirical ...
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Kepler-432: a red giant interacting with one of its two long-period giant planets
... ~0.5 AU that exist around main-sequence F- and A-type stars but do not survive through the red giant phase when the star expands to a signi fi cant fraction of an AU. If this is the case, then Kepler-432b is ...
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Asteroseismology of hot B subdwarf stars
... Asteroseismology is also the only tool that can potentially reveal the internal rotation of stars. For hot B subdwarfs, we are just at the beginning of fully exploiting this possibility which can help to address several ...
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Asteroseismology of red giant stars: The potential of dipole modes
... of red giants, but also to distinguish a forest of mixed modes around each of them ...of red giants observed by Kepler and also in those of CoRoT red giants [14], and the comparison with theoretical ...
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Oscillations in g-mode period spacings in red giants as a way to determine their state of evolution
... The period spacings computed from the full numerical solutions obtained with the adiabatic pulsation code ADIPLS [1] for the two models considered in this study are shown in Figure 3 (black lines). The equally spaced ...
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The fates of Solar system analogues with one additional distant planet
... 1.1 The fate of an eight-planet Solar system The Sun will leave the main sequence in about 6.5 Gyr, and undergo drastic changes (Fig. 1). Its radius will increase by a factor of about 230, it will lose almost half of its ...
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Red giant seismology: Observations
... that red giants, with an outer convective envelope, show solar-like oscillations ...in red giants are excited at low frequency, and because of their low mean density, their oscillation pattern shows ...
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Mass loss from Red Giants
... Asymptotic Giant Branch (AGB) stars or planetary ...the giant branches are apparent during these spectacular phases of stellar evolution where large amounts of material surround the central ...First ...
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Observational probes of helium ignition in low mass stars
... the red giant branch (RGB), burning hydrogen in a shell surrounding the ever–growing helium core (Sandage & Schwarzschild, ...the red giant branch (TRGB; see Section ...
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Prospects for asteroseismic inference on the envelope helium abundance in red giant stars
... in red giant stars, which are the main focus of this study, the base of the convection zone is located deep within the stellar in- terior (typically at a radius of ...with red giant ...
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Red Giant evolution and specific problems
... the Red Giant Branch (RGB) and the Asymptotic Giant Branch (AGB), and stellar populations that are not well represented in the solar vicinity or in our ...
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Stability And Hopf Branch of A FAST TCP/RED Network Congestion Model with Feedback Control
... Hopf branch is ...stable.When branch still take the above parameters, the controlled control system at the equilibrium point is ...Hopf branch production and increase the stability of the wireless ...
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oa Botswana Notes & Records - A Preliminary Chronology of Modem Gaborone
... - The Botswana National Library Service was established and its frrst branch library, in Gaborone, opened.. - The Red Cross building was completed.[r] ...
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Weighing in on the masses of retired A stars with asteroseismology : K2 observations of the exoplanet host star HD 212771
... The newly derived stellar mass from asteroseismology hence places HD 212771 in the retired A star category. Fur- thermore, this result does not lend support to the hypothesis put forward by Lloyd (2011). If this were to ...
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EG Andromedae : a symbiotic system as an insight into red giant chromospheres
... a red giant and a hot ...the giant primary, causing UV line and continuum ...two red giant radii, before rising ...luminosity, giant radius and separation of the ...the ...
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Light dependent calcification in Red Sea giant clam Tridacna maxima
... in the reef of the collection). Likewise to net calcifica- tion in T. maxima, we observed gross primary production (GPP) to be highest at intermediate light levels of around 560 µmol photons m −2 s −1 (corresponding to a ...
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A light and electron microscopy study of the yak placentome
... the red positive granules (arrowheads) filled the trophoblast giant cells (TGCs), and the positive reaction also appeared in the contact areas (triangles) between the crypt epithelium (CE) and trophoblast ...
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Study of ambient environment around Asymptotic Giant Branch Carbon Star: IRAS 01142+6306
... of HR diagram [4]. In this research work we discussed how mass is distributed around AGB star, dust color temperature distribution and cavity like structure gives wide range of area for studying the interaction between ...
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