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. 2005 Feb 15;122(7):074307.
doi: 10.1063/1.1847571.

A 3000 K laboratory emission spectrum of water

Pierre-François Coheur  1 , Peter F Bernath, Michel Carleer, Reginald Colin, Oleg L Polyansky, Nikolai F Zobov, Sergei V Shirin, Robert J Barber, Jonathan Tennyson
Affiliations

A 3000 K laboratory emission spectrum of water

Pierre-François Coheur et al. J Chem Phys. .

Abstract

An emission spectrum of hot water with a temperature of about 3000 K is obtained using an oxy-acetylene torch. This spectrum contains a very large number of transitions. The spectrum, along with previous cooler laboratory emission spectra and an absorption spectrum recorded from a sunspot, is analyzed in the 500-2000 cm(-1) region. Use of a calculated variational linelist for water allows significant progress to be made on assigning transitions involving highly excited vibrational and rotational states. In particular emission from rotationally excited states up to J=42 and vibrational levels with up to eight quanta of bending motion are assigned.

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