14 citations · 42 across the 6 of their papers we have counts for
6 papers
Study of the Open Clusters in Kepler Prime Field
Yüksel Karataş, Hikmet Çakmak, İnci Akkaya Oralhan +3
We present a detailed study of NGC 6791, NGC 6811, NGC 6819 and NGC 6866, the four open clusters that are located in the Kepler prime field. We use new CCD UBV(RI)KC photometry, wh…
Investigation of the Connection Between X-ray Binaries and Compact Star Clusters in NGC 628
Senay Avdan, Aysun Akyuz, Seda Acar +3
We investigated for a possible connection between the types of X-ray binaries (XRBs) and the properties of compact star clusters in the nearby galaxy NGC 628. Using {\it Chandra} a…
Optical Counterparts of ULXs in Two Dwarf Galaxies: NGC 4861 and NGC 4449
M. Ozdogan Ela, A. Akyuz, N. Aksaker +7
We present the results of a search for optical candidates of Ultraluminous X-ray sources (ULXs) in two dwarf galaxies: NGC 4861 and NGC 4449 using Hubble Space Telescope {\it HST}…
The ULX Source X-3 in NGC 4258: A Search for Its X-ray and Optical Properties
A. Akyuz, S. Avdan, S. Allak +3
We present the results of a search for the nature of ultraluminous X-ray source (ULX) X-3 in the nearby galaxy NGC 4258. We use archival data from {\it XMM-Newton}, {\it Chandra},…
UBVRI-KC Photometry of NGC~2323 and NGC~2539 Open Clusters
Inci Akkaya Oralhan, Raul Michel, William J. Schuster +3
The open clusters NGC 2323 and NGC 2539 have been analysed using CCD UBV(RI)KC photometric data, observed at the San Pedro Martir Observatory. Cluster memberships have been determi…
CCD Photometry of Twenty Open Clusters
Inci Akkaya Oralhan, Yüksel Karataş, William J. Schuster +2
Fundamental astrophysical parameters have been derived for 20 open clusters (O\!Cs) using CCD~ photometric data observed with the 84~cm telescope at the San Pedro Má…