群居动物
发表于 2025-3-30 11:00:10
Spot Mapping in Cool Stars,eview I outline the signal enhancement and indirect imaging techniques available for mapping spots on stellar surfaces. I review recent developments in the use of starspots as tracers of surface differential rotation, and discuss the way in which starspot lifetimes appear to scale with stellar lumin
Gentry
发表于 2025-3-30 14:30:03
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表脸
发表于 2025-3-30 19:24:31
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中和
发表于 2025-3-30 23:43:03
Magnetic Doppler Imaging of Chemically Peculiar Stars,neously reconstructing the surface distribution of magnetic fieldv ectors andone chemical element from a time sequence of line profles measuredin four Stokes parameters. The application of the code to a well studied magnetic Ap star α2CVn recovereda field distribution, resembling an oblique dipole w
Basilar-Artery
发表于 2025-3-31 02:37:58
Stokes Imaging of the Accretion Region in Magnetic Cataclysmic Variables,of the accretion zones on the white dwarf. Stokes imaging of Potter et al. [.] is the first objective and analytical technique that robustly models the cyclotron emission and maps the accretion zones..Polarisation modelling is discussed, followed by a summary of the Stokes imaging technique. We demo
闪光东本
发表于 2025-3-31 06:38:47
Doppler Images of the M Dwarf RE 1816 +541,a large number of photospheric absorption lines, we use a sophisticated cross-correlation technique to derive absorption profiles with S/N ratios of 350. The surface images of RE 1816 +541 reveal a moderately spotted surface, with starspots appearing at all latitudes. We attempt to measure the surfa
essential-fats
发表于 2025-3-31 10:52:05
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阻塞
发表于 2025-3-31 13:54:54
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DEMN
发表于 2025-3-31 18:54:17
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decipher
发表于 2025-3-31 23:06:22
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