Results 11 to 20 of about 12,976 (291)
Shock and Vibration, 2022 In order to protect surface buildings and maximize the recovery of coal resources, there are a large number of strip coal pillars and unfilled goafs left in strip mining areas in China.
Yong Liu +3 more
doaj +2 more sources
On the instability strip of the Cepheid stars
The Astrophysical Journal, 1992 The location of the instability strip in the C-M diagram of Galactic Cepheids is discussed with the aid of the 1990 calculations of model Cepheids by Chiosi & Wood. It is found that the difficulty pointed out by Fernie (the slope of the empirical red boundary of the strip is different from that customarily assumed) has no reason to occur because it is ...
Chiosi, C. +3 more
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Towards a pure ZZ Ceti instability strip [PDF]
Astronomy & Astrophysics, 2006 12 pages, 3 ...
Castanheira, B. G. +10 more
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ARE THE s-CEPHEIDS CROSSING THE INSTABILITY STRIP FOR THE FIRST TIME?
Odessa Astronomical Publications, 2012 Using the literature data on secular period changes reported for the small-amplitude Cepheids (s-Cepheids) it is shown that these stars are not crossing the instability strip for the first time. After correction of the observed pulsational chracteristics
S. M. Andrievsky +2 more
doaj +3 more sources
Instability strip for pre-main-sequence stars [PDF]
Communications in Asteroseismology, 2007 We apply the Time Dependent Convection (TDC) treatment presented in Grigahcene et al. (2005) to the study of Pre-main sequence pulsating stars. The stabilization of the p-modes at the red edge of the Instability Strip (IS) is obtained by our models. The theoretical IS obtained with Mixing Length (ML) parameter α =1.8 is compared to observations and a ...
Grigahcene, A. +4 more
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The ZZ Ceti Instability Strip for the Most Massive White Dwarf Pulsators [PDF]
The Astrophysical JournalWe present time-series photometry of 31 massive DA white dwarfs with M ≳ 0.9 M _⊙ within the ZZ Ceti instability strip from the Montreal White Dwarf Database 100 pc sample.
Gracyn Jewett +12 more
doaj +2 more sources
The ZZ Ceti instability strip revisited
Open Astronomy, 2000 Koester D., Allard N. F.
doaj +2 more sources
Instabilities and Solitons in Minimal Strips [PDF]
Physical Review Letters, 2016 We show that highly twisted minimal strips can undergo a nonsingular transition, unlike the singular transitions seen in the Möbius strip and the catenoid. If the strip is nonorientable, this transition is topologically frustrated, and the resulting surface contains a helicoidal defect.
Machon, Thomas J +3 more
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The Cephei instability strip [PDF]
Monthly Notices of the Royal Astronomical Society, 2001 We carried out a series of linear stability analyses of the radial and low-degree non-radial p modes for stellar models with initial masses of . The stellar models were computed by using convective overshoot distance , 0.25 and 0.40 HP. Our numerical results show that the β Cephei instability strip forms a horn-shaped region pointing upwards near the ...
L. Deng, D. R. Xiong
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