NICER observation list: Target ID 462403

M dwarfs are the most abundant stars and are known to produce very strong flares. They are the prime targets of ongoing Transiting Exoplanet Survey Satellite (TESS). Understanding the M dwarf flares is very important in identifying the habitable planets orbiting them. We propose to obtain NICER data of three M dwarf flare stars which will be observed simultaneously with TESS 20-s cadence mode to construct simultaneous light curves and study the relationship between X-ray and optical flares. We aim to use high cadence data to measure flare energy equipartition with more accuracy and hence estimate the total energy output of a flaring star. Our results will be significant inputs to models that estimate the impacts of strong flares on the atmospheres of planets orbiting M dwarfs.