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"dwarfs"
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Giants and Dwarfs in European Art and Culture, ca. 1350-1750
Not since Edward Wood's Giants and Dwarfs published in 1868 has the subject been the focus of a scholarly study in English. Treating the topic afresh, this volume offers new insights into the vogue for giants and dwarfs that flourished in late-medieval and early modern Europe. From chapters dealing with the real dwarfs and giants in the royal and princely courts, to the imaginary giants and dwarfs that figured in the crafting of nationalistic and ancestral traditions, to giants and dwarfs used as metaphorical expression, scholars discuss their role in art, literature, and ephemeral display. Some essays examine giants and dwarfs as monsters and marvels and collectibles, while others show artists and writers emphasizing contrasts in scale to inspire awe or for comic effect. As these investigations reveal, not all court dwarfs functioned as jesters, and giant figures might equally be used to represent heroes, anti-heroes, and even a saint.
eBook
Models of very-low-mass stars, brown dwarfs and exoplanets
Within the next few years, GAIA and several instruments aiming to image extrasolar planets will be ready. In parallel, low-mass planets are being sought around red dwarfs, which offer more favourable conditions, for both radial velocity detection and transit studies, than solar-type stars. In this paper, the authors of a model atmosphere code that has allowed the detection of water vapour in the atmosphere of hot Jupiters review recent advances in modelling the stellar to substellar transition. The revised solar oxygen abundances and cloud model allow the photometric and spectroscopic properties of this transition to be reproduced for the first time. Also presented are highlight results of a model atmosphere grid for stars, brown dwarfs and extrasolar planets.
Journal Article
Distances, Luminosities, and Temperatures of the Coldest Known Substellar Objects
The coolest known brown dwarfs are our best analogs to extrasolar gas-giant planets. The prolific detections of such cold substellar objects in the past 2 years have spurred intensive follow-up, but the lack of accurate distances is a key gap in our understanding; We present a large sample of precise distances based on homogeneous mid-infrared astrometry that robustly establishes absolute fluxes, luminosities, and temperatures. The coolest brown dwarfs have temperatures of 400 to 450 kelvin and masses almost equal to 5 to 20 times that of Jupiter, showing they bridge the gap between hotter brown dwarfs and gas-giant planets. At these extremes, spectral energy distributions no longer follow a simple correspondence with temperature, suggesting an increasing role of other physical parameters, such as surface gravity, vertical mixing, clouds, and metallicity.
Journal Article
The heart of glass
Gracie Gillypott and Prince Marcus embark on a dwarf-watching outing, not knowing that the dwarves are working frantically making crowns for a royal wedding and that they have enlisted some unreliable trolls to help them, thus putting the humans' expedition in peril.
Book
