Morsel
发表于 2025-3-30 11:08:42
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原来
发表于 2025-3-30 14:13:32
Ultraviolet Extinction of Circumstellar Dust in HD 45677ange due to circumstellar dust is a medley effect of absorption and scattered stellar radiation light (4), so that its distribution is flatter as it would correspond to dust particles described by high values of .. = ../. (ratio of total to selective extinction). The aim of this paper is to study wh
极少
发表于 2025-3-30 18:16:33
The Self Absorption Curve Method for the Analysis of Emission Lines of Complex Ions as a Diagnostic tellar envelope. Information can be obtained notably about the excitation conditions, the column density and the dimensions of the line emitting region, without making detailed model dependent complex radiative transfer computations. This method is particularly useful in the study of B star envel
锯齿状
发表于 2025-3-30 20:46:33
The High Excitation Fe II Lines as a Diagnostics of the Outer Envelopes of Early Type Emission Line malously high intensities. We illustrate the case of the high excitation Fe . lines observed in the ultraviolet and near—IR of different stellar categories, and discuss the information which can be derived from their study.
愤慨一下
发表于 2025-3-31 03:48:49
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Diverticulitis
发表于 2025-3-31 07:56:56
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四目在模仿
发表于 2025-3-31 09:57:20
New Spectroscopic Data of Luminous Peculiar B-Type Stars al., 1992; Araújo and Freitas Pacheco, 1994). These stars share several common characteristics as an optical spectra dominated by Balmer and FeII emission lines (often displaying P Cygni profiles) and absorption lines of FeII and other low ionization species in the UV. Besides, prominent emissions
乐章
发表于 2025-3-31 15:38:04
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创新
发表于 2025-3-31 20:16:30
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