Order-sorting image_M 15 X-1_obsid_4572 Dispersion coordinates field image_M 15 X-1_obsid_4572 Sky field image_M 15 X-1_obsid_4572 Source region detail images_M 15 X-1_obsid_4572 Light curve_M 15 X-1_obsid_4572 Flux spectrum (1)_M 15 X-1_obsid_4572 Flux spectrum (2)_M 15 X-1_obsid_4572 Counts spectrum_M 15 X-1_obsid_4572 Flux Preview_M 15 X-1_obsid_4572