AMPLITUDE FINE STRUCTURE IN THE CEPHEIDP-LRELATION. I. AMPLITUDE DISTRIBUTION ACROSS THE RR LYRAE INSTABILITY STRIP MAPPED USING THE ACCESSIBILITY RESTRICTION IMPOSED BY THE HORIZONTAL BRANCH [PDF]
, 2010 The largest amplitude light curves for both RR Lyrae (RRL) variables and classical Cepheids with periods less than 10 days and greater than 20 days occur at the blue edge of the respective instability strips.
Allan Sandage
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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
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Softening and instability evolution of strip coal pillar under water immersion in goaf [PDF]
Scientific ReportsThe softening and instability of the coal pillar caused by water immersion is the primary factor contributing to water inrush in the goaf of the same layer.
Xu Wang +9 more
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Empirical instability strip for classical Cepheids
Astronomy & Astrophysics, 2023 Context. The instability strip (IS) of classical Cepheids has been extensively studied theoretically. Comparing the theoretical IS edges with those obtained empirically, using the most recent Cepheids catalogs available, can provide us with insights into the physical processes that determine the position of the IS boundaries. Aims.
F. Espinoza-Arancibia +4 more
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IS POLARIS LEAVING THE CEPHEID INSTABILITY STRIP?
Odessa Astronomical Publications, 2017 Although Polaris is generally regarded as an overtone pulsator that may soon switch to pulsation in the fundamental mode, it is argued that the variable is actually crossing the instability strip for the first time and is in the process of leaving the ...
D. G. Turner
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Analysis of the abnormal wear of the pantograph contact strip through combined experimental and simulation approaches [PDF]
Scientific ReportsThe carbon contact strip of pantograph collects current from the overhead catenary to power the train, inevitably causing wear to the contact surface. This paper addresses the abnormal wear of the pantograph carbon contact strip, a challenged accident ...
Xingshuai Zhi +8 more
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A NEW MAPPING OF THE CEPHEID INSTABILITY STRIP
Odessa Astronomical Publications, 2017 Results are presented for a new mapping of the instability strip for Milky Way Cepheids based upon eld reddenings for 40 stars (mainly members of open clusters and associations), color excesses for 53 stars obtained from reddening-independent systems ...
David G. Turner
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The ZZ Ceti instability strip revisited
Open Astronomy, 2000 Koester D., Allard N. F.
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Blue edge of the ZZ Ceti instability strip versus mass [PDF]
Open Astronomy, 1998 Giovannini O. +5 more
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Statistics of the Instability Strip of Cephei Stars [PDF]
Chinese Journal of Astronomy and Astrophysics, 2003 We present a study of the beta Cephei instability strip based on a sample of 49 stars of this type. After deriving their effective temperatures and luminosities from their observed (B - V), (U - B) colors and parallaxes we find their positions in the HR diagram to be mostly confined to the main sequence, and their masses to lie between 7M(circle dot ...
Bin Tian +4 more
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