22 citations · 43 across the 15 of their papers we have counts for
Showing 2014Show all
3 papers · 1 filter
astro-ph.SR2014★ 6 cited
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…
astro-ph.SR2014
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…
astro-ph.IM2014★ 3 cited
Current and future capabilities of the 74-inch telescope of Kottamia astronomical observatory in Egypt
Y. A. Azzam, G. B. Ali, F. Elnagahy +4
In this paper, we are going to introduce the Kottamia Astronomical Observatory, KAO, to the astronomical community. The current status of the telescope together with the available…