Publications

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2020
Molham, M., N. Clerc, A. Takey, T. Sadibekova, A. B. Morcos, S. Yousef, Z. M. Hayman, M. Lieu, and S. Raychaud, "X-ray properties of the X-CLASS-redMaPPer galaxy cluster sample: the luminosity–temperature relation", Monthly Notices of the Royal Astronomical Society, vol. 494, issue 1, pp. 161–177, 2020. staa677.pdf
application/pdf iconstaa677.pdf
2016
DjuraševiĆ, G., A. Essam, O. LatkoviĆ, A. Cséki1, M. A. El-Sadek3, M. S. Abo-Elala, and Z. M. Hayman, "A PHOTOMETRIC STUDY OF FOUR RECENTLY DISCOVERED CONTACT BINARIES: 1SWASP J064501.21 +342154.9, 1SWASP J155822.10-025604.8, 1SWASP J212808.86+151622.0, AND UCAC4 436-062932", The Astronomical Journal, pp. 152-157, 2016. a_photometric_study_of_four_recently_discovered_contact__binaries.pdf
2013
Hassan, I. A., and Z. M. Hayman, "The Perturbed Motion of Artificial Satellite under of Influence of J2", Journal of Basic and Applied Scientific Research, vol. 3, issue 2, pp. 1271-1275, 2013. Abstractthe_perturbed_motion.pdf

In this paper the solution of an artificial satellite motion under the influence of J2-Earth’s gravitational
field in terms of Euler parameters that was solved using recurrent power series solution which is one of
the semi-analytical solutions. Applications of the method enable anyone to predict the motion of the
artificial satellite in any conic section. This expected because the only force affecting on the motion of
artificial satellite is Earth’s gravitational field.

Hayman, Z. M., "The Prediction of Motion of an Artificial Satellite", Journal of Basic and Applied Scientific Research, vol. 3, issue 1, pp. 504-511, 2013. Abstractthe_prediction_of_motion_of_an_artificial_satellite.pdf

In this paper the solution of an artificial satellite motion under the influence of J2-Earth’s gravitational
field in terms of Euler parameters that was solved using recurrent power series solution which is one of
the semi-analytical solutions. Applications of the method enable anyone to predict the motion of the
artificial satellite in any conic section. This expected because the only force affecting on the motion of
artificial satellite is Earth’s gravitational field.