1, flare_spectra.fits
The spectra during flare. There are 8 individual spectra at a 22-minute cadence.

2, quiescence_spectrum.fits
the quiescence spectrum observed on May 8, 2022

3, flare_only.fits
The flare-only spectra obtained by Equation 5.

4, emission_Ha.fits
The Ha emission lines obtained by Equation 6.

5, ThI6457.fits
The arc lamp of the Th I 6459 emission line. It was used as the LAMOST instrumental profile. 


6, Sector15.pdf, Sector16.pdf, Sector22.pdf
The flares and periods detected in TESS Sector 15, 16 and 22.


7, vsini.pdf
The fitted vsini by templates of Teff = 3500, 3600, 3700, 3800,and 3900 K and logg = 4.5 and 5.0 dex.

8, emissions.csv
 62 emission lines identified in the first flare-only spectrum.