✩ Constraining Disk Parameters Of Be Stars Using Narrowband Halpha Interferometry With The Navy Prototype Optical Interferometer ✩
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"Constraining Disk Parameters of Be Stars Using Narrowband Halpha Interferometry With the Navy Prototype Optical Interferometer"

♥ Book Title : Constraining Disk Parameters of Be Stars Using Narrowband Halpha Interferometry With the Navy Prototype Optical Interferometer
♣ Name Author :
∞ Launching : 2006
◊ Info ISBN Link : OCLC:227888958
⊗ Detail ISBN code :
⊕ Number Pages : Total sheet
♮ News id : rWiBAQAACAAJ

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☯ Full Synopsis : "Interferometric observations of two well-known Be stars, gamma Cas and phi Per, were collected and analyzed to determine the spatial characteristics of their circumstellar regions. The observations were obtained using the Navy Prototype Optical Interferometer equipped with custom-made narrowband filters. The filters isolate the H(alpha) emission line from the nearby continuum radiation, which results in an increased contrast between the interferometric signature due to the H(alpha)-emitting circumstellar region and the central star. Because the narrowband filters do not significantly attenuate the continuum radiation at wavelengths 50 nm or more away from the line, the interferometric signal in the H(alpha) channel is calibrated with respect to the continuum channels. The observations used in this study represent the highest spatial resolution measurements of the H -emitting regions of Be stars obtained to date. These observations allow us to demonstrate for the first time that the intensity distribution in the circumstellar region of a Be star cannot be represented by uniform disk or ringlike structures, whereas a Gaussian intensity distribution appears to be fully consistent with our observations."Article| | Statement ..."

"Voyages et aventures des trois princes de Serendip"

♥ Book Title : Voyages et aventures des trois princes de Serendip
♣ Name Author : Cristoforo Armeno
∞ Launching : 2011-12-15
◊ Info ISBN Link : 9781908580450
⊗ Detail ISBN code : 1908580453
⊕ Number Pages : Total sheet
♮ News id : Z5AICwAAQBAJ

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☯ Full Synopsis : ""Voyages et aventures des trois princes de Serendip" est une trouvaille. Prenez un conte persan du Onzième siècle, mâtinez le de légendes indiennes, arabes, turques, trouvez un traducteur et compilateur et adaptateur, un orientaliste distingué dont on ne connaît presque rien de la vie et dont l’existence et l’authenticité ne sont même pas avérées, Cristoforo Armeno, puis un imprimeur vénitien, Michele Tramezzino, et vous obtenez un recueil traduit plusieurs fois, dans toutes les langues européennes, et qui influença Voltaire, Walpole...Donc, à télécharger et lire d’urgence."Article| Cristoforo Armeno| Statement ..."