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Modification of Premises for the Black Hole Information Paradox Caused by Topological Constraints in the Event Horizon Vicinity. [PDF]
Entropy (Basel)Jacak JE.
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Primordial Rotating Disk Composed of ≥15 Star Forming Clumps at Cosmic Dawn
Fujimoto S +45 more
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The Classification of L Dwarfs
2001To highlight the need for new spectral types, a brief review of the discovery of very low luminosity dwarfs — cooler than type M9.5 — is presented. The reasoning behind the choice of letters “L” and “T” is also given. Our philosophy of spectral classification is explained and we use this philosophy to construct an L dwarf typing scheme.
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Science, 2000
ASTRONOMY Dwarfs are low mass, very cool, main-sequence stars, and recent large-scale star surveys have identified a new spectral class, called the L-dwarfs. The low estimated masses of L-dwarfs suggest that most of these objects are brown dwarfs that are rich in hydrides rather than methane. McLean et al. have obtained high-resolution spectra of six L-
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ASTRONOMY Dwarfs are low mass, very cool, main-sequence stars, and recent large-scale star surveys have identified a new spectral class, called the L-dwarfs. The low estimated masses of L-dwarfs suggest that most of these objects are brown dwarfs that are rich in hydrides rather than methane. McLean et al. have obtained high-resolution spectra of six L-
openaire +2 more sources