As the most common stars in the galaxy, M dwarfs can be used to trace the structure and evolution of the Milky Way. Besides, investigating M dwarfs is important for searching for habitability of extrasolar planets orbiting M dwarfs. Spectral classification of M dwarfs is a fundamental work. The authors used DR7 M dwarf sample of SLOAN to extract important features from the range of 600-900 nm by random forest method. Compared to the features used in Hammer Code, the authors added three new indices. Our test showed that the improved Hammer with new indices is more accurate. Our method has been applied to classify M dwarf spectra of LAMOST.
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Heterozygous mutations affecting the protein kinase domain of cause a syndromic form of developmental delay and intellectual disability.
J Med Genet
January 2018
Nottingham Clinical Genetics Service, Nottingham University Hospitals NHS Trust, Nottingham, UK.
Introduction: Recent evidence has emerged linking mutations in to syndromic congenital heart disease. We present here genetic and phenotypic data pertaining to 16 individuals with mutations.
Methods: Patients were investigated by exome sequencing, having presented with developmental delay and additional features suggestive of a syndromic cause.
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