29 citations · 160 across the 21 of their papers we have counts for
23 papers
Dynamical and Photometric Analysis of NGC 146 and King 14: Evidence for a Co-Moving, Unbound Cluster Pair
D. Bisht, Ing-Guey Jiang, W. H. Elsanhoury +9
To understand the nature of the NGC 146-King 14 cluster pair, we conducted a detailed photometric, astrometric, and dynamical study using multiwavelength data from Gaia DR3, Pan-ST…
Kinematics of High-Velocity Stars Utilizing LAMOST and Gaia DR3 Archives within 100 kpc
W. H. Elsanhoury
The kinematic parameters identified from high-velocity stars situated within 100 kpc are examined and analyzed. We included three high velocity programs comprising 591, 87, and 519…
Deep Photometric and Astrometric Investigation of the Non-relaxed Star Cluster Stock 3 using Gaia DR3
A. Ahmed, Amira R. Youssef, M. S. El-Nawawy +1
The study presents both photometric and kinematic analyses of the non-relaxed open cluster Stock 3 with Gaia DR3 which found to be positioned at 2.945 0.700 kpc and having an…
Enhanced kinematics and distribution characteristics of Upper Scorpius and Ophiuchus associations based on Gaia DR3
W. H. Elsanhoury
The kinematics within the Solar vicinity have revealed interesting features relevant to both stellar and Galactic structures. This study examines three stellar associations in the…
Deeply Comprehensive Astrometric, Photometric, and Kinematic Studies of the Three OCSN Open Clusters with Gaia DR3
W. H. Elsanhoury, Haroon A. A, E. A. Elkholy +1
In this study, we considered the optical wavelength of Gaia DR3 to analyze poorly studied three newly open star clusters namely OCSN 203, OCSN 213, and OCSN 244 clusters with ASTEC…
Kinematical and Ellipsoidal Properties of the Inner-Halo Hot Subdwarfs Observed in Gaia DR3 and LAMOST DR7
W. H. Elsanhoury
Here, we report the kinematical parameters of inner-halo hot subdwarfs located within (d lower than or equal 15 kpc) at high Galactic latitudes (b^o greater than or equal 20). The…
An in-depth analysis of the differentially expanding star cluster Stock 18 (Villafranca O-036) using Gaia DR3 and ground-based data
J. Maíz Apellániz, A. R. Youssef, M. S. El-Nawawy +4
(ABRIDGED) CONTEXT: The Villafranca project is combining Gaia data with ground-based surveys to analyze Galactic stellar groups with OB stars. AIMS: We want to analyze Stock 18 wit…
A comprehensive photometric and kinematical characteristic of the newly discovered QCs clusters with Gaia EDR3
W. H. Elsanhoury, Magdy Y. Amin, A. A. Haroon +1
This study reports the first comprehensive astrometric, photometric and kinematical analysis of four newly discovered open clusters; namely QC1, QC2, QC3, and QC4, using astrometri…
Kinematics And Ellipsoidal Motion Of The Mid To Late M-Type Stars
W. H. Elsanhoury, M. I. Nouh, Richard L. Branham +1
Truly, kinematics in the Solar neighborhood has provided important information both for the structure and for the evolution of the Galaxy since the early 20th century. The relation…
Photometric and Kinematic study of the open clusters SAI 44 and SAI 45
Jayanand Maurya, Y. C. Joshi, W. H. Elsanhoury +1
We carry out detailed photometric and kinematic study of the poorly studied sparse open clusters SAI 44 and SAI 45 using ground based BVRI data supplemented by archival…
Detailed analysis of the poorly studied northern open cluster NGC 1348 using multi-color photometry and GAIA EDR3 astrometry
D. Bisht, Qingfeng Zhu, W. H. Elsanhoury +5
The membership determination for open clusters in noisy environments of the Milky Way is still an open problem. In this paper, our main aim is provide the membership probability of…
Photometric and kinematical analysis of Koposov 12 and Koposov 43 open clusters
W. H. Elsanhoury
We present a photometric and kinematical analysis of two and poorly studied open clusters; Koposov 12 (FSR 802) and Koposov 43 (FSR 848) by using cross-matched data from PPMXL and…
Orbits and Individual Masses of Some Visual Binaries
Essam A. Elkholy, Waleed H. Elsanhoury, Mohamed I. Nouh
The orbits of visual binary systems still attract many of the working groups in astronomy. These orbits are the most important and reliable source of the stellar masse. In the pres…
An investigation of poorly studied open cluster NGC 4337 using multi-color photometric and Gaia DR2 astrometric data
D. Bisht, W. H. Elsanhoury, Qingfeng Zhu +5
We present a comprehensive analysis (photometric and kinematical) of poorly studied open cluster NGC 4337 using 2MASS, WISE, APASS, and Gaia~DR2 database. By determining the member…
The kinematical and space structures of IC 2391 open cluster and moving group with Gaia-DR2
E. S. Postnikova, W. H. Elsanhoury, Devesh P. Sariya +3
The kinematical parameters, spatial shape and structure of the open cluster IC 2391 and the associated stellar stream are studied here using Gaia-DR2 (GDR2) astrometry data. The ap…
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…
First space and kinematical analysis of newly discovered southern UFMGs clusters with Gaia
W. H. Elsanhoury
The work on the kinematical parameters and spatial shape structure have been performed with Gaia DR2 astrometry data of the new recently southern discovered open clusters; UFMG 1,…
PPMXL and Gaia Morphological Analysis of Melotte 22 (Pleaides) and 25 (Hyades)
W. H. Elsanhoury, M. I. Nouh
In this article, we present a morphological study of the well-known extended sized open clusters in the sky, Melotte 22 (Pleiades) and Melotte 25 (Hyades) with J, H, and Ks regions…
The Pleiades apex and its kinematical structure
W. H. Elsanhoury, E. S. Postnikova, N. V. Chupina +4
A study of cluster characteristics and internal kinematical structure of the middle-aged Pleiades open star cluster is presented. The individual star apexes and various cluster kin…
Statistical Study of Visual Binaries
H. I. Abdel-Rahman, M. I. Nouh, W. H. Elsanhoury
In this paper, some statistical distributions of wide pairs included in Double Star Catalogue are investigated. Frequency distributions and testing hypothesis are derived for some…
2MASS photometry and kinematical studies of open cluster NGC 188
W. H. Elsanhoury, A. A. Haroon, N. V. Chupina +4
In this paper, we present our results for the photometric and kinematical studies of old open cluster NGC 188. We determined various astrophysical parameters like limited radius, c…
Kinematics and Velocity Ellipsoid of the Solar Neighborhood White Dwarfs
W. H. Elsanhoury, M. I. Nouh, H. I. Abdel-Rahman
To determine the velocity ellipsoid of the solar neighborhood white dwarfs, we use the space velocity components of stars. Two samples of white dwarfs are used, 20 pc and 25 pc sam…
White Dwarf Stars as Polytropic Gas Spheres
M. I. Nouh, A. S. Saad, M. M. Elkhateeb +1
Due to the highly degeneracy of electrons in white dwarf stars, we expect that the relativistic effects play very important role in these stars. In the present article, we study th…