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pro vyhledávání: '"Lehmann, Lisa T."'
Autor:
Lehmann, Lisa T., Hussain, Gaitee A. J., Vidotto, Aline A., Jardine, Moira M., Mackay, Duncan H.
We are reaching the point where spectropolarimetric surveys have run for long enough to reveal solar-like magnetic activity cycles. In this paper we investigate what would be the best strategy to identify solar-like magnetic cycles and ask which larg
Externí odkaz:
http://arxiv.org/abs/2010.10214
Autor:
See, Victor, Matt, Sean P., Folsom, Colin P., Saikia, Sudeshna Boro, Donati, Jean-Francois, Fares, Rim, Finley, Adam J., Hebrard, Elodie M., Jardine, Moira M., Jeffers, Sandra V., Lehmann, Lisa T., Marsden, Stephen C., Mengel, Matthew W., Morin, Julien, Petit, Pascal, Vidotto, Aline A., Waite, Ian A., collaboration, The BCool
Low-mass stars are known to have magnetic fields that are believed to be of dynamo origin. Two complementary techniques are principally used to characterise them. Zeeman-Doppler imaging (ZDI) can determine the geometry of the large-scale magnetic fie
Externí odkaz:
http://arxiv.org/abs/1903.05595
Autor:
Lehmann, Lisa T., Donati, J.-F.
We present a new method, that is ideal for rapidly diagnosing the stellar magnetic fields from large spectropolarimetric surveys, like the near-infrared SPIRou Legacy Survey (SLS) at CFHT. Our new method based on Principal Component Analysis (PCA) is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e65bf9329349a08befb6445a7b55f1fc