Function fai_BPT, x, y ;+ ;NAME: ; fai_BPT ;PURPOSE: ; compute the angle from y axis for BPT digarm ;INPUT: ; y --- flux ratio of /H_Beta ; x --- flux ratio of /H_Alpha ;OUTPUT: ; angle ---- angle from y axis ;ME ...
Function bpt_class_sefertlinear, flux_nl_hb,flux_nl_o3,flux_nl_ha,flux_nl_s2_o3,select=select ;+ ;NAME: ; bpt_class_sefertlinear ;PURPOSE: ; spectra classification by the digarm of BPT narrow emission line ; flux ratio ;CALLING SEQUENCE: ; ...