凝乳 发表于 2025-3-25 04:49:10
Automated Staining: Dako Perspective,han .. =11.5 mag (ESA 1997, ESA SP-1200) . These two filters are roughly centered on the B and V Johnson filters. A simple linear transformation exists between Tycho .. and . magnitudes and B and V magnitudes in the Johnson photometric system (see ESA 1997) . The Tycho Epoch Photometry Annex A conta自由职业者 发表于 2025-3-25 08:58:05
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Handbook of Precision Engineeringtellar envelopes around peculiar Ae/Be stars. The method involved is based on a search for rapid line-profile variability of lines originating in different circumstellar regions. Analysis of these variations opens the way for reconstructing the density and velocity distributions throughout the envel尾巴 发表于 2025-3-26 09:05:47
Electrical and Electromagnetic Components, 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 emissionsCAGE 发表于 2025-3-26 15:49:30
Handbook of Precision Engineeringand 19381+2224 respectively by Dong & Hu (1991) among other sources having very strong infrared excesses, V- > 8. . Only one . photometric observation has been published (Haug 1970) for AS 78 which was discovered by Miller & Merrill (1951) as a Be star. A spectral type of B9 I a or B2–5 v was es吞噬 发表于 2025-3-26 18:55:26
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