Sentence examples for class flare from inspiring English sources

An X17 class flare is 17 times more energetic than an X1 class flare.

The full view of this event is shown in Fig. 2. The B5.7-class flare started at 20 12 UT on 2 November 2008, and an A5.0 class flare started at 03 04 UT on 3 November 2008.

We studied the M3.7 class flare which occurred on 2005 July 27, in the active region NOAA 10792.

By adjusting the values of H' (in intervals of 0.05 km) and β (in intervals of 0.001 km−1) to match the values of perturbed amplitude and phase during the two flares, the estimated values came as H' = 72.0 km and β = 0.360 km−1 for the B8.5 class flare, and H' = 73.8 km and β = 0.305 km−1 for the C1.5 class flare.

Figure 11 shows that for a M1.0 class flare and a typical daytime ionospheric height of 74 k, N e is 7815 cm−3 for the solar minimum compared to 4170 cm−3 for moderate solar activity.

Recently, Kumar et al. (2015) estimated a decrease of 9.4 km in H′ and an increase of 0.126 km−1 in β for an X1.5 class flare on the NPM Suva path.

The X class flares occurred only during December 2006.

Two X class flares occurred at the magnetic interface.

This difference in the level of β and H′ is found to be more pronounced for strong M and X class flares than for low C class flares.

This difference in the level of β is found to be more pronounced for intense M and X class flares than for weak C class flares.

X class flares occurred only during December 2006 and for the years 2012 and 2013.