output
19982026
most citedRate of Period Change as a Diagnostic of Cepheid Properties

125 citations

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

collaborating institutions
Showing 2019 · astro-ph.SRShow all

4 papers · 2 filters

astro-ph.SR2019

Breaking the dichotomy between typical and anomalous globular clusters: the case of NGC 3201

Bruno Dias, Ignacio Araya, João Paulo Nogueira-Cavalcante +2

We recently discovered that NGC 3201 has characteristics that set it outside the current twofold classification scheme for Galactic globular clusters (GCs). Most GCs are mono-metal…

astro-ph.SR2019★ 35 cited

Conformable Fractional Polytropic Gas Spheres

E. A. -B. Abd-Elsalam, Mohamed I. Nouh

Lane Emden differential equation of the polytropic gas sphere could be used to construct simple models of stellar structures, star clusters and many configurations in astrophysics.…

astro-ph.SR2019★ 10 cited

Kinematics and Velocity Ellipsoid of Halo Red Giants

Mohamed I. Nouh, Waleed H. Elsanhoury

In the present paper, we aim to determine the kinematical properties, velocity ellipsoid, and Oort constants using a sample of halo red giants. The study is based mainly on the spa…

astro-ph.SR2019★ 3 cited

Long-term Spot Stability in the Post-common-envelope Binary QS Vir

Olivera Latković, Attila Cséki, Gojko Djurašević +3

We observed the post-common-envelope eclipsing binary with a white dwarf component, QS Vir, using the 1.88 m telescope of Kotammia Observatory in Egypt. The new observations were a…