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CCD UBV Photometry and Kinematics of the Open Cluster NGC 225
S. Bilir, Z. F. Bostanci, T. Yontan +6
We present the results of CCD photometric and spectroscopic observations of the open cluster NGC 225. In order to determine the structural parameters of NGC 225, we calculate…
The Mass and Radius of the Neutron Star in the Bulge Low-Mass X-ray Binary KS 1731-260
Feryal Ozel, Andrew Gould, Tolga Guver
Measurements of neutron star masses and radii are instrumental for determining the equation of state of their interiors, understanding the dividing line between neutron stars and b…
CCD BV and 2MASS photometric study of the open cluster NGC 1513
S. Bilir, T. Guver, I. Khamitov +5
We present CCD BV and JHK 2MASS photometric data for the open cluster NGC 1513. We observed 609 stars in the direction of the cluster up to a limiting magnitude of …
Optical Imaging and Spectroscopic Observation of the Galactic Supernova Remnant G85.9-0.6
F. Gok, A. Sezer, E. Aktekin +2
Optical CCD imaging with H and [SII] filters and spectroscopic observations of the galactic supernova remnant G85.9-0.6 have been performed for the first time. The CCD image dat…