Radial Velocity values for X Cygni J/AJ/162/149.graph_sql_1_rvRVel

Halpha and Hbeta values for X Cygni J/AJ/162/149.graph_sql_1_magHalpha Hbeta

Litterature times of maximum light for X Cygni

New times of maximum light for X Cygni
J/AJ/162/149.graph_sql_2max J/AJ/162/149.graph_sql_3max

Continuum spectrum of X Cygni J/AJ/162/149.graph_sql_4spectrum

O-C diagram of Halpha J/AJ/162/149.graph_sql_6O-C