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HD 34985


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The determination of the zero point of the wavelength scale on stellar spectrograms
A novel method for determining the zero point of the wavelength scale(lambda0) on low-spectral-resolution spectrograms obtainedwith an objective plasma is presented. The method was applied to a groupof 100 stars belonging to the B-G spectral classes. Near-UV spectrogramsof these stars were obtained by the Orion-2 space observatory.Equivalent widths were obtained for the resonance doublet of Mg II 2800A in the spectra of the stars studied.

Interesting ultraviolet star discovered by Orion-2
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观测天体数据

星座:御夫座
右阿森松:05h23m54.90s
赤纬:+47°57'22.2"
视星:9.143
右阿森松适当运动:0.7
赤纬适当运动:-0.4
B-T magnitude:9.331
V-T magnitude:9.159

目录:
适当名称
HD 1989HD 34985
TYCHO-2 2000TYC 3362-1918-1
USNO-A2.0USNO-A2 1350-05735686
HIPHIP 25246
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