NICER light curve of Mrk 817 from 2020 November 28 to 2022 February 28	NICER hardness ratio (HR=(H-S)/(H+S) where H=3-8keV and S=0.4-3keV) of Mrk 817
J/ApJ/947/2.graph_sqlLCs	J/ApJ/947/2.graph_sql_hrHRs