Optical spectrum of Cyg OB2 No. 12
收藏B2FIND2026-03-19 收录
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https://b2find.eudat.eu/dataset/027d21f9-3296-50e5-92b3-f5692880f90d
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We have obtained the first high spectral-resolution (R=15000 and 60000) optical spectra for the extremely luminous star No.12, identified with the IR-source IRAS 20308+4104 in...
