Dispersion coordinates field image_Ark 564_obsid_23099 Sky field image_Ark 564_obsid_23099 Source region detail images_Ark 564_obsid_23099 Light curve_Ark 564_obsid_23099 Counts Spectrum (1)_Ark 564_obsid_23099 Counts Spectrum (2)_Ark 564_obsid_23099 Counts Spectrum (3)_Ark 564_obsid_23099 Counts Spectrum (4)_Ark 564_obsid_23099 Flux Preview_Ark 564_obsid_23099