950,111 research outputs found

    Redistribution as a Local Public Good Subject to Congestion

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    When analyzing migration policies, second best redistribution becomes a local public good subject to congestion. The remedial policy consists of a kind of second best finance for that good.migration, gains from trade.

    A Deep Photometric Look at Two of Andromeda's Dwarf Spheroidals: X and XVII

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    We use deep wide-field photometry from the Large Binocular Camera to study the stellar and structural properties of the recently discovered Andromeda X and Andromeda XVII (And X and And XVII) dwarf galaxies. Using the mean apparent magnitude of the horizontal branch (HB), we derive distances of 621 +- 20 kpc to And X and 734+- 23 kpc to And XVII, closer by >60 kpc than the previous estimates which were based on red giant branch (RGB) observations. Thus our results warrant against the use of the RGB tip method for determining distances to systems with sparsely populated RGBs, and show how crucial HB observations are in obtaining accurate distances in systems such as these. We find that And X is a relatively faint (MV = -7.36), highly elongated (e = 0.48) system at a distance of 174 +- 62 kpc from Andromeda. And XVII is brighter (MV = -8.61) with an M31-centric distance of 73 kpc which makes it one of the closest satellites to Andromeda. Both galaxies are metal-poor: we derive =-2.2 for And X, while And XVII shows = -2.0, consistent with the relation of higher luminosity dwarfs being more metal- rich. Additionally, both galaxies show considerable intrinsic spreads in metallicity (0.2 and 0.3 dex for And X and And XVII respectively), consistent with multiple stellar populations.Comment: 8 pages, 6 figure

    Sermón que predico el Padre presentado F. Andres Perez predicador general de la Orden de Predicadores, y particular del Convento de san Pablo de Valladolid, en las obsequias funerales que hizo el Señor Prior, y Convento de San Marcos de Leon, al Rey don Phelipe tercero...

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    Copia digital. Valladolid : Junta de Castilla y León. Consejería de Cultura y Turismo, 2009-2010Texto a dos colPrecede al texto del sermón una hoja con dedicatoria "Al Illvstriss.mo señor don Francisco, Freyle de Galvez, Prior del Real Convento de San Marcos, y Provincia de Leon del Consejo de sv Magestad, y sv Capellan, &cEscudo dominico en la última hoj

    Memorial en defensa de la redencion de los cautivos, segun la forma en que oy la exerce el Sagrado orden de nuestra Señora de la Merced

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    Copia digital. Valladolid : Junta de Castilla y León. Consejería de Cultura y Turismo, 2009-2010Sign.:[]2, A-Q2En port., escudo de los Mercedario

    [Sermón de Santo Tomás de Aquino predicado en el Convento de S. Pablo por Fr. Gaspar de Victoria]

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    Copia digital. Valladolid : Junta de Castilla y León. Consejería de Cultura y Turismo, 2009-2010Datos tomados del textoSin port

    First electrostatic probe results from Explorer 17

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    Electrostatic probe results from ionospheric sounding by Explorer XVII satellit

    Atmospheric densities from Explorer 17 density gauges and a comparison with satellite drag data

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    Atmospheric density data from Explorer XVII GAUGES and satellite drag dat
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