How many unconfirmed exoplanets do you have orbiting your target star? How do you know and why are they unconfirmed?

MStar=0.95 MSun. LStar=0.76 LSun. RStar=0.9187 RSun. RStar=100.2 REarth. RStar=0.0042724 au. TStar=5623 K. TStar=19.51 TEarth Figure 1 - Light Curve 1.0000 0.9999 0.9998 Relative Brigthness 0.9997 0.9996 0.0 0.2 0.4 0.6 0.8 1.0 1.2 Time (years) 0.0004 Figure 2 - Zoom on one of the exoplanet transits 0.0002 0.0000 Relative Brigthness -0.0002 -0.0004 -0.0006 -0.0008 0.0900 0.0925 0.0950 0.0975 0.1000 0.1025 0.1050 0.1075 +1 Time (years) 0.0004 - Figure 3 - Zoom on the other exoplanet transit 0.0002 - 0.0000 Relative Brigthness -0.0002 -0.0004 -0.0006 -0.0008 0.058 0.060 0.062 0.064 0.066 0.068 0.070 Time (years)