1,196 research outputs found
A modular set of synthetic spectral energy distributions for young stellar objects - Robitaille (2017) - v1.1
No full text<p>These are the models released with the following publication:</p>
<p><em>A modular set of synthetic spectral energy distributions for young stellar objects</em>, Robitaille (2017)</p>
<p>A companion repository is available on GitHub:</p>
<p>https://github.com/hyperion-rt/paper-2017-sed-models</p>
<p>In particular, a notebook is provided, demonstrating how the models here can be used:</p>
<p>https://github.com/hyperion-rt/paper-2017-sed-models/blob/master/notebook/using_the_models.ipynb</p>
<p><strong>Note:</strong> the files here do not include polarization results, nor do they include the SEDs split by components (e.g. scattered versus direct light). The raw Hyperion output files which contain this information will be made available at a later date, and a link will be provided here.</p>
<p>For <strong>announcements</strong> of new versions of these models, you can subscribe to the following mailing list:</p>
<p>https://groups.google.com/forum/#!forum/protostars</p>
<p>For <strong>questions or issues</strong> using these models, you can open a GitHub issue in the companion repository:</p>
<p>https://github.com/hyperion-rt/paper-2017-sed-models/issues/new</p>
<p><strong>MacOS X users:</strong> there is a bug in the bundled version of tar in MacOS X that causes issues when expanding some of the largest files here (this results in the <em>flux.fits</em> file being empty). To avoid this, you can use the GNU tar version which can be installed e.g. with Homebrew using <em>brew install gnu-tar</em> then using the <em>gtar</em> command instead of <em>tar</em>.</p>
Saint Thomas en plus simple by Jean-Pierre Torrell
No full textThis paper is a review of the book: Jean-Pierre Torrell, Saint Thomas en plus simple (Paris: Les éditions du Cerf, 2019). According to the author, (1) Torrell’s book is a straightforward and accessible introduction to Thomas Aquinas in the form of a literary biography, and (2) it acquaints the reader with Thomas’s teachings on God, the human being, the Logos, and on how these fit into the structure of the Summa theologica
Arc of the Absent Author: Thomas Pynchon's Trajectory from Entropy to Grace
No full text266 p.In the simplest of terms this dissertation draws on the work of Pierre Bourdieu to study Thomas Pynchon¿s novel Againts the Day, to do so involves study of the US literary field, the history of positions that Pynchon has occupied, and the resultant trajectory that can be derived from that. This method analyzes the sociogenesis of the author¿s habitus and thus the practice that produces the literary product being studied
Arc of the Absent Author: Thomas Pynchon's Trajectory from Entropy to Grace
No full text266 p.In the simplest of terms this dissertation draws on the work of Pierre Bourdieu to study Thomas Pynchon¿s novel Againts the Day, to do so involves study of the US literary field, the history of positions that Pynchon has occupied, and the resultant trajectory that can be derived from that. This method analyzes the sociogenesis of the author¿s habitus and thus the practice that produces the literary product being studied
A set of synthetic spectral energy distributions for "diskless", intermediate-mass young stars
No full text<p>These models were published in conjunction with <em>The Duration of Star Formation in Galactic Giant Molecular Clouds. I. The Great Nebula in Carina, </em>by <a href="https://arxiv.org/abs/1906.01730">Povich et al. (2019)</a>. They will also be used in subsequent papers in that series.</p>
<p>The format of these models conforms with the standards of <a href="https://doi.org/10.1051/0004-6361/201425486">Robitaille (2017)</a>, so they are compatible with the <a href="http://sedfitter.readthedocs.io/en/stable/installation.html">python implementation</a> of the <a href="https://doi.org/10.1086/512039">Robitaille et al. (2007)</a> SED fitting tool. We have pre-convolved these models with a number of useful filters, including Johnson/Bessel <em>UB</em><em>VRI, </em>UKIRT <em>ZYJHK, </em>VISTA <em>ZYJHK<sub>S</sub></em>, 2MASS <em>JHK<sub>S</sub></em>, <em>Spitzer/</em>IRAC and MIPS. </p>
<p>A software pipeline implementing these models to constrain the age and mass distributions of young stellar populations is also <a href="https://doi.org/10.5281/zenodo.3234101">publicly available</a>.</p>
<p><strong>Limitations of these models</strong></p>
<p><em>These models produce the best results for stars more massive than the Sun and older than about 0.5 Myr. </em>They employ the pre-main-sequence evolutionary tracks of <a href="https://arxiv.org/abs/astro-ph/0003477">Siess et al. (2000)</a> and <a href="https://ui.adsabs.harvard.edu/abs/1996A&A...307..829B/abstract">Bernasconi & Maeder (1996)</a>. Numerous modern tracks offer significant improvement in the treatment of subsolar-mass stars. In addition, the Kurucz stellar atmospheres used in these synthetic SEDs work best for T<sub>eff </sub>> 4,000 K; for cooler temperatures other models, for example the PHOENIX photospheres, may be more appropriate.</p>
<p>Newer evolutionary tracks covering the intermediate-mass range are now available, for example the Geneva pre-MS tracks of <a href="https://doi.org/10.1051/0004-6361/201935051">Haemmerlé et al. (2019)</a>. The principal innovation of these modern models is the treatment of accretion and location of the intermediate-mass stellar birthline. The coolest, most luminous models in this set are likely <em>unphysical</em>, representing fully-convective stars of >2 solar masses and <0.5 Myr isochronal age.</p>
Etnografia e fotografia: reflexões sobre as fotografias etnográficas de Pierre Fatumbi Verger
No full textDissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Filosofia e Ciências Humanas. Programa de Pós-graduação em Antropologia Social, Florianópolis, 2009A relação entre a fotografia e a etnografia nos estudos da Antropologia, apesar de antiga e densa, é incerta e complexa. Se por um lado a fotografia é a cada dia mais utilizada nos trabalhos antropológicos, por outro sua potencialidade como algo além da ilustração e de uma técnica de interação com o Outro é pouco explorada. A partir do exemplo, do legado, da trajetória de vida e, principalmente, da obra de Pierre Fatumbi Verger, esta pesquisa se dedica a analisar essa relação. Francês radicado na Bahia na década de 1940, Verger é conhecido mundialmente tanto por seu trabalho como fotógrafo quanto pelas suas pesquisa etnográficas. Há, entretanto, uma indefinição quanto à razão desse reconhecimento, e examinar as suas razões oferece um profícuo campo de reflexão sobre a pesquisa etnográfica, especialmente quando relacionada ao universo das imagens fotográficas. A Fundação Pierre Verger é a instituição que atualmente abriga o acervo do fotógrafo-etnógrafo e onde foi realizada a pesquisa de campo através da qual, aliada à leitura de fotografias relacionadas ao candomblé em suas manifestações na África e na Bahia, foi criada uma metodologia de análise das fotografias que privilegia as interações e os diálogos como espaço de construção de definições sobre a etnografia. Pelo contato com a Fundação, seus freqüentadores e o acervo fotográfico ali disponibilizado, esta pesquisa pretende refletir sobre a etnografia e a construção de um olhar etnográfico em relação direta com o exercício da fotografia.The relationship between photography and ethnography in anthropological studies, albeit ancient and deep, is uncertain and complex. Photography has been increasingly used in anthropological researches but it´s potencial as something beyond illustration and it´s interaction with the Other as a technique is very little explored. This research is dedicated to the analysis of this relationship by taking the work of Pierre Fatumbi Verger, his life and legacy. A French man, rooted in Bahia, Brasil, in the decade of 1940, Verger is known worldwide for his work as a photographer as well as for his etnographic studies. However, the reason of this recognition is undefined and examining the reason for these indefinitions can be a fruitful field of reflection concerning ethnographic researches, especially when related to the photographic universe. The Pierre Verger Foundation is the institution that hosts his photographic and ethnographic collection and it´s also where the field research of this work took place. Through the field research combined with the readings of photographs related to candomblé and it´s manifestations in Africa and Bahia, a photographic analysis methodology was created that privilege interaction and dialogue as a way to build definitions about ethnography. By the contact with the Foundation, it´s users and it´s available photographic collection, this research intends to reflect about the ethnography and the creation of an ethnographic view in direct relation to the exercise of photography
L'utilisation des citations de l'Ancien Testament dans la première épître de Pierre
No full textA detailed analysis ofthe OT citations and allusions in I Peter shows clearly the importance of thèse références for the understanding ofthe letter. In most cases, the author makes use ofthe LXX, though he sometimes employs another Greek version or paraenetic adaptations. His relatively restricted use ofthe OT (primarily Isaiah, Psalms and Proverbs) probably points to a non-Jewish origin ofthe author. Finally, his références to the OT mark the letter's structure, and his choice of OT passages both reveals the importance of the thème of suffering in 1 Peter and aids in discerning its significance.Osborne Thomas P. L'utilisation des citations de l'Ancien Testament dans la première épître de Pierre. In: Revue théologique de Louvain, 12ᵉ année, fasc. 1, 1981. pp. 64-77
An updated modular set of synthetic spectral energy distributions for young stellar objects
No full text<p>These are the models released with the following publication:</p>
<p><strong><em>An updated modular set of synthetic spectral energy distributions for young stellar objects</em></strong> (Richardson et al. 2024).</p>
<p>This is a set of young stellar object (YSO) models with associated spectral energy distributions (SEDs) calculated through radiative transfer. It is a significant update to the data published alongside Robitaille (2017, R17). It contains the parameters shaping each model and adds the newly calculated parameters of envelope mass, average dust temperature, disk stability, and line-of-sight extinction. It also makes explicit quantities, such as source luminosity, that were left implicit in the previous release. This set also convolves the SEDs with several new filters, primarily those on the James Webb Space Telescope, and adds a script to facilitate convolution of these models with additional filters as desired by users. All data included in Version 1.1 of the R17 set (the most recent) are included here.</p>
<p>Like their predecessors, these models are versioned. Updates will be released as more models are completed or other changes are made.</p>
<p>Files unzip to r+24_models-{version}/{geometry}. "files.tar.gz" contains scripts for SED convolution and main sequence comparison, the opacity to absorption of dust used in the radiative transfer calculations, main sequence T/L values used for results in the accompanying work, and reference material for the contents of the dataset and latest version.</p>
Article on the Constitution
No full textNotes - A handwritten article by Ruth Gorman criticizing Pierre Trudeau and his proposed new constitution, Alberta (12 pages)WC
Poëmes dramatiqves de T. Corneille (vol. 1)
No full textCorneille, Thomas (1625-1709) Imprimés à Rouen, et se vendent à Paris, chez A. Covbre…et G. Lvyne.... 1661, avec Privilège du Roy Thomas Corneille was the brother of French playwright Pierre Corneille. Although Thomas was nearly twenty years younger than Pierre, they were close all their lives, marrying sisters, living together and often working together. In spite of the near-worship of Pierre, Thomas was also recognized in his day as a great author. He wrote his first play in Latin at the age of fifteen. He wrote the longest running play of the period, Timocrate. He also wrote a play that was booed off the stage. Over a period of forty years, he wrote forty plays, in nearly every genre and in poetry and prose. His work was performed at court and in all the major theaters of Paris. Fifty years after his death, Voltaire wrote of Thomas that, "with the exception of Racine, no one compared."v.1. Les engagemens du hazard.--Le feint astrologve.--D. Bertran de Cigarral.--L\u27amovr a la mode.--Le berger extravagant.--Le charme de la voix.--v.2. Le geolier de soy-mesme.--Les illvstres ennemis.--Timocrate.--Berenice.--La mort de l\u27emperevr Commode.--Dariv
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