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 2003 · astro-phShow all

3 papers · 2 filters

astro-ph2003★ 6 cited

New analysis in the field of open cluster Collinder 223

A. L. Tadross

The present study of the open cluster Collinder 223 (Cr 223) has been mainly depended on the photoelectric data of Claria & Lapasset (1991; hereafter CL91). This data of CL91 has b…

astro-ph2003

Photometrical Review of Open Cluster M25

A. L. Tadross, A. I. Osman, M. A. Marie +2

The young open star cluster M25 (IC 4725) is located in the direction of the galactic center in a crowded region, near much irregular absorption features on Sagittarius arm. This c…

astro-ph2003

HII regions in the spiral galaxy NGC 3389

Hamed Abdel-Hamid, Sang-Gak Lee, Peter Notni

CCD observations in V, I and H for NGC 3389 are used to present photometry of 61 HII regions. Their and positions, diameters and their absolute luminosities have been d…