Physics:Swan band
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Short description: Emission spectra characteristic of burning hydrocarbon fuels
Spectrum of the blue flame from a butane torch showing excited molecular radical band emission and Swan bands.
Swan bands are a characteristic of the spectra of carbon stars, comets and of burning hydrocarbon fuels.[1][2] They are named for the Scottish physicist William Swan, who first studied the spectral analysis of radical diatomic carbon (C2) in 1856.[3]
Swan bands consist of several sequences of vibrational bands scattered throughout the visible spectrum.[4]
See also
References
- ↑ R.C. Johnson (1927). "The structure and origin of the Swan band spectrum of carbon". Philosophical Transactions of the Royal Society A 226 (636–646): 157–230. doi:10.1098/rsta.1927.0005. Bibcode: 1927RSPTA.226..157J.
- ↑ W.E. Pretty (1927). "The Swan band spectrum of carbon". Proceedings of the Physical Society 40 (1): 71–78. doi:10.1088/0959-5309/40/1/313. Bibcode: 1927PPS....40...71P.
- ↑ W. Swan (1857). "On the prismatic spectra of the flames of compounds of carbon and hydrogen". Transactions of the Royal Society of Edinburgh 21 (3): 411–430. doi:10.1017/S0080456800032233. https://books.google.com/books?id=GHAxAQAAMAAJ&pg=PA411.
- ↑ Robert B. King (1948). "Relative Transition Probabilities of the Swan Bands of Carbon". Astrophysical Journal 108: 429. doi:10.1086/145078. Bibcode: 1948ApJ...108..429K.
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