AbstractAn ultraviolet–visible spectrum between 300 and 450nm of a cometary meteoroid originated from 55P/Tempel-Tuttle was investigated. The spectroscopy was carried out an intensified high definition TV camera with a slit-less reflection grating during the 2001 Leonid meteor shower over Japan. A best fit calculation mixed with atoms and molecules confirmed the first discovery of bands in the UV meteor spectrum. temperature was estimated to 10,000K with a low number density of 1.55×105cm−3. We also discuss the possibility that enhanced emissions in a meteor and a train around 310nm are caused by the band head of OH A2Σ+→X2Π. Since cometary dust may have contributed organics and water to the Earth from its early period until now, OH A–X (0,0) must be investigated.
Search for OH(A–X) and detection of (B–X) in ultraviolet meteor spectrum
Advances in Space Research ; 39 , 4 ; 538-543
2007-03-21
6 pages
Article (Journal)
Electronic Resource
English
Search for OH(A–X) and detection of (B–X) in ultraviolet meteor spectrum
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