WebApr 12, 2016 · A review is given of the chromospheres of evolved stars with peculiar chemical abundances, emphasizing the observed dependence of chromospheric properties upon the evolutionary status of the stars. Some old and new physical processes which are potentially important in determining the observed chromospheric features are discussed. A chromosphere ("sphere of color") is the second layer of a star's atmosphere, located above the photosphere and below the solar transition region and corona. The term usually refers to the Sun's chromosphere, but not exclusively. In the Sun's atmosphere, the chromosphere is roughly 3,000 to 5,000 … See more The density of the Sun's chromosphere decreases exponentially with distance from the center of the Sun by a factor of roughly 10 million, from about 2×10 kg/m at the chromosphere's inner boundary to under 1.6×10 kg/m … See more Images taken in typical chromospheric lines show the presence of brighter cells, usually referred to as the network, while the surrounding darker regions are named internetwork. They … See more • Orders of magnitude (density) • Moreton wave See more Many different phenomena can be observed in chromospheres. Plage A plage is a particularly bright region within stellar … See more Chromospheres are present on almost all luminous stars other than white dwarfs. They are most prominent and magnetically active on lower- See more • Animated explanation of the Chromosphere (and Transition Region) Archived 2015-11-16 at the Wayback Machine (University of South Wales). • Animated explanation of the temperature of the Chromosphere (and Transition Region) See more
Stellar model chromospheres. IX. Chromospheric activity in dwarf …
WebApr 10, 2024 · 1 Institut de Ciències de l’Espai (ICE, CSIC), Campus UAB, Carrer de Can Magrans s/n, 08193 Bellaterra, Spain e-mail: [email protected] 2 Institut d’Estudis Espacials de Catalunya (IEEC), c/ Gran Capità 2-4, 08034 Barcelona, Spain 3 Department of Physics, University of Warwick, Gibbet Hill Road, Coventry CV4 7AL, UK 4 Instituto de Astrofísica … WebThe chromosphere is a thin layer of plasma that lies between the Sun’s visible surface (the photosphere) and the corona (the Sun’s upper atmosphere). It extends for at least 2,000 … chinese eight ball
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WebThe three lenses featured in Chromospheres II are among the very last Eversley made before he was forced to vacate his Venice Beach studio at 1110 Abbot Kinney Blvd., where he lived and worked from 1969 until … WebStellar model chromospheres. XI - A survey of Ca II lambda 8542 line profiles in late-type stars of differing chromospheric activity. Document ID. 19800032236 . Document Type. Reprint (Version printed in journal) Authors. Linsky, J. … Webchro·mo·sphere. n. 1. An incandescent, transparent layer of gas, primarily hydrogen, several thousand miles in depth, lying above and surrounding the photosphere of a … grand haven police chase tonight