ASTRONOMIA Detección fotométrica y espectroscópica Extrasolar planetary systems Fotografía y fotometría Main sequence: late type stars (G, K, and M) Photography and photometry Photometric and spectroscopic detection Secuencia principal estrellas de tipo tardío (G, K y M) Sistemas planetarios extrasolares Stars: Activity Transit timing variations Variaciones en los tiempos de mínimo stars: activity Binaries: Close Binaries: close CUMULOS ESTELARES MECANICA CELESTE Open clusters and associations: individual:βPictoris association PLANETAS Photometry Pictoris Rotation Stars Stars: Late-type Stars: Luminosity function, mass function Stars: Rotation Stars: activity Stars: late-Type Stars: rotation Stars:late type