19 citations · 53 across the 12 of their papers we have counts for
6 papers · 1 filter
CCD BVRI and 2MASS Photometry of the Poorly Studied Open Cluster NGC 6631
A. L. Tadross, R. Bendary, H. Priya +2
Here we have obtained the {\it BVRI CCD} photometry down to a limiting magnitude of 20 for the southern poorly studied open cluster NGC 6631. It is observed from the {\it…
New CCD photometric observation of the W-UMa eclipsing binary system 1swasp j160156.04+202821.6
A. Essam, Nasser M. A
New BVRI light curves of the eclipsing binary system 1SWASP J160156.04+202821.6 have been obtained with the 1.88-m telescope of Kottamia Astronomical Observatory (KAO), Egypt on Ju…
Photometric Investigation of the Total-Eclipsing Contact Binary V12 in the Intermediate-age Open Cluster NGC 7789
S. -B. Qian, A. Essam, J. -J. Wang +3
NGC 7789 is an intermediate-age open cluster with an age that is similar to the mean age of contact binary stars. V12 is a bright UMa-type binary star with an orbital period of 0.3…
First photometric analyses and classification for the W UMa type binary systems GSC 2362-2866 and GSC 107-596
A. Essam, N. S. Awadalla, M. A. El-Sadek +1
The CCD observations for the W UMa type binary systems GSC 2362-2866 and GSC 107-596 have been analyzed using the Wilson-Devinney Code to determine their photometric orbital and ph…
Photometric study of the short period W UMa system VW Cephei
A. Essam, A. E. Alawy, A. A. Haroon
A total of 431 photoelectric B and V observations are presented for the short period . The measurements have been obtained in two successive nights, 27/28 and 28/29 of September 19…
Photometric data analysis of the eclipsing binary system AH Tauri
M. A. El-Sadek, N. S. Awadalla, A. Essam +1
Two sets of photometric observations of the system AH Tauri have been analyzed using the latest version of the Wilson-Devinney code. The results show that AH Tauri may classified a…