Three Algol-type binary systems (IO Cep, IM Cep and TX Ari) showing cyclic orbital period changes are studied. The combination of time of minimum data from the ground-based observations together with high precision photometric data from the TESS satellite enabled us to estimate the basic light ...
ResearchinAstron.Astrophys.2009Vo1.9No.3,307-314 http://.raa-journaLorg http. '#,iop.org/journals/raa Researchin Astronomyand Astrophysics AnorbitalperiodinvestigationoftheAlgol-typeeclipsingbinary VWHydrae JiaZhang,一.Sheng—BangQianandBoonrucksarSoonthornthum3 1NationalAstronomicalObservatories/YunnanObser...
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ZTF J1406+1222 pushes the boundaries of evolutionary models5, falling below the 80-minute minimum orbital period of hydrogen-rich systems. The wide tertiary companion is a rare low-metallicity cool subdwarf star, and the system has a Galactic halo orbit consistent with passing near the ...
orbital period orbital speed orc Orca orchard orchestra 将“orbital"翻译成塞尔维亚文 orbitala, орбитала是“orbital"到 塞尔维亚文 的最佳翻译。 译文示例:Even though I never could get you to understand p orbitals. ↔ Iako ti nikad nisam uspio objasniti p-orbitale. orbital...
Ab initio calculation of the stability of one-dimensional long-period structures in the Cu3Pd compound The relative stabilities of L12, D022, D023 and several one-dimensional (1D) long period structures (LPSs) in the Cu3Pd intermetallic compound are investig... C Colinet,A Pasturel - 《Phi...
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We address impact cratering on Io and Europa, with the emphasis on the origin of small craters on Europa as secondary to the primary impacts of comets on I... K Zahnle,JL Alvarellos,A Dobrovolskis,... - 《Icarus》 被引量: 89发表: 2008年 Characterization of new hard X-ray Cataclysmic...
Orbital hemangiopericytoma. 来自 Semantic Scholar 喜欢 0 阅读量: 13 作者:DJ Coden,A Hornblass 摘要: A 78-year-old healthy man, with a 30-year history of an increased prominence of the left eye, noted progressive proptosis of his left eye and increasing diplopia over a period of several ...
meaning that their stability around L4 has been shown to be in the scale of thousands of years, far from the stability time-scale of a theoretical primordial ET population, which are thought to be remnants from the Earth’s formation period32. Although no primordial ETs has been found yet,...