engleski

Relationship Between NO Infrared Radiation and X-ray Radiation from 3 March to 3 April 2005

We investigate the relationship between NO infrared radiation and x-ray radiation at different local time (LT) and latitudes of NO average fluxes. The NO volume emission rates obtained by SABER instrument on board TIMED satellite and x-ray fluxes on long (0.1-0.8 nm) and short (0.05-0.4) channels measured by GOES 12 satellite were used. NO rates were vertically integrated to obtain fluxes, which are then separated into day (8<LT<16) and night (20<LT<4) LT sectors and averaged per 16 latitude bins each 10° wide. The cross-correlation (CC) analysis between NO, for different latitude bins and LTs, and x-ray fluxes is performed. We found that x-ray fluxes are better correlated with NO at lower latitudes and during the day. Also, long x-ray fluxes are better correlated with NO than short ones. CC coefficients are maximal for both positive and negative time lags, depending on the latitude bin and LT span.

NO infrared radiation, x-ray radiation, TIMED satellite

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