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Atmospheric modeling and dynamical analysis of the components of the visually close binary system (VCBS) HD6009 were used to estimate their individual physical and geometrical parameters. Model atmospheres were constructed using a grid of…

Solar and Stellar Astrophysics · Physics 2021-11-22 M. A. Al-Wardat

In this paper, we estimated the physical and geometrical characteristics of the visually close binary stellar system Hip 45571, using Al-Wardat's method for analyzing binary and multiple stellar systems. We estimated the physical properties…

This study utilizes "Al-Wardat's method for analysing binary and multiple stellar systems" to estimate a set of parameters for the triple system Hip70868. The method compares the system's observational magnitudes, color indices, and…

Solar and Stellar Astrophysics · Physics 2025-11-04 Hoda E. Elgendy , Mashhoor A. Al-Wardat , Hassan B. Haboubi , Lin R. Benchi , Abdallah M. Hussein , Hussein M. Elmehdi

We present a comprehensive set of physical and geometrical parameters for each of the components of the close visual binary system Hip 11253 (HD14874). We present an analysis for the binary and multiple stellar systems with the aim to…

Solar and Stellar Astrophysics · Physics 2023-06-28 Hussam Aljboor , Ali Taani

Model atmospheres of the close visual binary star COU1511 (HIP12552) are constructed using grids of Kuruz's blanketed models to build the individual synthetic SEDs for both components. These synthetic SED's are combined together for the…

Solar and Stellar Astrophysics · Physics 2016-11-09 Mashhoor A. Al-Wardat , M. H. El-Mahameed , Nihad A. Yusuf , Awni M. Khasawneh , Suhail G. Masda

We present the physical and geometrical parameters of the individual components of the close visual double-lined spectroscopic binary system Gliese 762.1, which were estimated using Al-Wardat's complex method for analyzing close visual…

Solar and Stellar Astrophysics · Physics 2016-07-13 Suhail G. Masda , Mashhoor A. Al-Wardat , Ralph Neuhäuser , Hamid M. Al-Naimiy

The perfect physical and geometrical parameters of the main-sequence close visual binary system (CVBS), HIP\,105947, are explicitly presented. These parameters have been constructed conclusively using Al-Wardat's complex method for…

Solar and Stellar Astrophysics · Physics 2019-04-03 Suhail G. Masda , Mashhoor A. Al-Wardat , J. M. Pathan

We present the complete set of physical and geometrical parameters of the visual close binary system GJ\,9830 for the first time by using Al-Wardat's complex method. This method combines magnitude difference from speckle interferometry,…

Solar and Stellar Astrophysics · Physics 2019-07-24 Suhail G. Masda , Mashhoor A. Al-Wardat , J. M. Pathan

Atmospheric modeling is used to build synthetic spectral energy distributions (SEDs) for the individual components of the speckle interferometric binary system HD375. These synthetic SEDs are combined together for the entire system and…

Solar and Stellar Astrophysics · Physics 2013-11-25 M. A. Al-Wardat , Yu. Yu. Balega , V. V. Leushion , A. A. Taani , N. A. Yusuf , K. S. Al-Waqfi , S. Masda

The precise determination of the physical and dynamical parameters of the HIP 109951 triple star system (WDS J22161-0705AB) which is formed by the A, Ba, and Bb components are presented. The binary nature of component B was recently…

Solar and Stellar Astrophysics · Physics 2020-01-08 Suhail Masda , J. A. Docobo , A. Hussein , M. Mardini , H. Al-Ameryeen , P. Campo , A. Khan , J. Pathan

The data release DR2 of Gaia mission was of great help in precise determination of fundamental parameters of Close Visual Binary and Multiple Systems (CVBMSs), especially masses of their components, which are crucial parameters in…

We present the stellar parameters of the individual components of the two old close binary systems HIP\,14075 and HIP\,14230 using synthetic photometric analysis. These parameters are accurately calculated based on the best match between…

Solar and Stellar Astrophysics · Physics 2018-10-17 Suhail G. Masda , Mashhoor A. Al-Wardat , J. M. Pathan

We present the physical parameters of three short period close binaries using the observed data from Kepler Space Telescope. All of these observations were taken in a single bandpass (which approximates the Johnson V-band). Our three…

Solar and Stellar Astrophysics · Physics 2019-04-03 M. A. NegmEldin , A. Essam , S. M. Yousef

The paper presents combined spectroscopic and photometric orbital solutions for ten close binary systems: CN And, V776 Cas, FU Dra, UV Lyn, BB Peg, V592 Per, OU Ser, EQ Tau, HN UMa and HT Vir. The photometric data consist of new multicolor…

Solar and Stellar Astrophysics · Physics 2009-03-10 S. Zola , J. M. Kreiner , B. Zakrzewski , D. P. Kjurkchieva , D. V. Marchev , A. Baran , S. M. Rucinski , W. Ogloza , M. Siwak , D. Koziel , M. Drozdz , B. Pokrzywka

The visually close binary system HD25811 is analyzed to estimate its physical and geometrical parameters in addition to its spectral type and luminosity class. The method depends on obtaining the best fit between the entire observational…

Solar and Stellar Astrophysics · Physics 2015-06-18 Mashhoor A. Al-Wardat , Hatem S. Widyan , Ahmed Al-thyabat

We present the detailed fundamental stellar parameters of the close visual binary system; HD39438 for the first time. We used Al-Wardat's method for analyzing binary and multiple stellar systems (BMSSs). The method implements Kurucz's plane…

Solar and Stellar Astrophysics · Physics 2023-07-10 Suhail Masda , Z. T. Yousef , Mashhoor Al-Wardat , Awni Al-Khasawneh

New high-quality CCD photometric light curves for the W UMa-type systems V410 Aur, CK Boo, FP Boo, V921 Her, ET Leo, XZ Leo, V839 Oph, V2357 Oph, AQ Psc and VY Sex are presented. The new multicolor light curves, combined with the…

Solar and Stellar Astrophysics · Physics 2009-03-10 K. D. Gazeas , P. G. Niarchos , S. Zola , J. M. Kreiner , S. M. Rucinski

We present the physical parameters of an eclipsing binary system EPIC 211982753 derived through photometric and radial velocity data modeling. We make use of photometric data from NASA's K2 mission, ASAS-SN, and 1.3-m Devasthal Fast Optical…

Solar and Stellar Astrophysics · Physics 2023-08-23 Alaxender Panchal , Yogesh C. Joshi

Aims: Detect tertiary components of close binaries from spectroscopy and light curve modelling; investigate light-travel time effect and the possibility of magnetic activity cycles; measure mass-ratios for unstudied systems and derive…

Astrophysics · Physics 2009-11-13 T. Szalai , L. L. Kiss , Sz. Meszaros , J. Vinko , Sz. Csizmadia

We performed a detailed spectroscopic study of the SB2 system HD 60803 based on high-resolution spectra obtained with the different spectrographs. The analysis was done with two independent methods: a) the direct modelling of the observed…

Solar and Stellar Astrophysics · Physics 2021-11-17 T. Ryabchikova , S. Zvyagintsev , A. Tkachenko , V. Tsymbal , Yu. Pakhomov , E. Semenko
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