TY - BOOK AU - Abdullah Kamil Ahmed AU - Gamal Bakr Ali , AU - Magdy Youssef Amin , TI - Detailed BVRI CCD photometric studies of some spiral galaxies / PY - 2014/// CY - Cairo : PB - Abdullah Kamil Ahmed , KW - Galaxies KW - Spiral Galaxies KW - Surface Photometry N1 - Thesis (Ph.D.) - Cairo University - Faculty of Science - Department of Astronomy and Meteorology; Issued also as CD N2 - We have performed detailed BVRI surface photometry of the five spiral galaxies NGC 2339, 2590, 7339, 7537, and 7541, then we have analyzed the overall structure of the galaxies (a bulge, a bar, a ring, and spiral arms), together with isophotal contour maps, luminosity profiles and performed a bulge/disk decomposition of the galaxies images, although we have estimated the disk position angles, ellipticities and inclinations of the galaxies, it is favorable for investigating the brightness and color distributions over the disks of the galaxies. We also estimated the photometric parameters and total luminosity of the galactic bulge and disk. Also, we estimated the color indices and total magnitude UR - http://172.23.153.220/th.pdf ER -