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We presented the first photometric analysis of the V1961 Cyg and V0890 Lyr binary systems. We observed and analyzed these systems at an observatory in France as part of the Binary Systems of South and North (BSN) Project. We extracted and…

太阳与恒星天体物理 · 物理学 2024-11-05 Sabrina Baudart , Atila Poro

This study presented the first light curve analysis of the OP Boo and V0511 Cam binary stars, which was conducted in the frame of the Binary Systems of South and North (BSN) Project. Photometric ground-based observations were conducted with…

The first photometric light curve investigation of the NSVS 8294044, V1023 Her, and V1397 Her binary systems is presented. We used ground-based observations for the NSVS 8294044 system and Transiting Exoplanet Survey Satellite (TESS) data…

The light curve analyses and orbital period variations for two contact binary stars, LS Del and V997 Cyg, were presented in this work which was conducted in the frame of the Binary Systems of South and North (BSN) Project. Ground-based…

Light curve analysis of W UMa-type contact binary systems using MCMC or MC methods can be time-consuming, primarily because the repeated generation of synthetic light curves tends to be relatively slow during the fitting process. Although…

太阳与恒星天体物理 · 物理学 2025-08-19 Ehsan Paki , Atila Poro , Minoo Dokht Moosavi Rowzati

We presented the first high-precision, detailed photometric analysis of four W Ursae Majoris (W UMa)-type contact binaries, Linear 10772300, Linear 11150338, Linear 20372537 and DM Cir. In addition to ground-based multiband photometric…

太阳与恒星天体物理 · 物理学 2026-02-16 Elham Sarvari , Atila Poro , Raul Michel , Anna Francesca Pala , Mehmet Tanriver , Ahmet Bulut , Ahmet Keskin , Mark G. Blackford

This study provides the first comprehensive analysis of eight total-eclipse W Ursae Majoris-type contact binary systems. Ground-based photometric multiband observations were conducted at a Mexican observatory, and new times of minima were…

We conducted the first light curve study of the binary star EL Tuc within the Binary Systems of South and North (BSN) Project framework. The photometric observations were made using standard multiband BVRI filters at an observatory in…

太阳与恒星天体物理 · 物理学 2024-09-02 Elham Sarvari , Eduardo Fernández Lajús , Atila Poro

We present the first detailed multiband (BVR_cI_c and TESS) photometric analysis of the short-period binary EZ Oct. This study combines ground-based observations conducted at a Southern Hemisphere observatory in Argentina with data from the…

太阳与恒星天体物理 · 物理学 2025-12-09 Asma Ababafi , Atila Poro , Mehmet Tanriver , Eduardo Fernández Lajús

We present new BVR band photometric light curves of BO Aries obtained in 2020 and combined them with the Transiting Exoplanet Survey Satellite (TESS) light curves. We obtained times of minima based on Gaussian and Cauchy distributions and…

太阳与恒星天体物理 · 物理学 2021-02-17 Atila Poro , Shiva Zamanpour , Maryam Hashemi , Yasemin Aladağ , Nazim Aksaker , Samaneh Rezaei , Arif Solmaz

Here we present the observations and the first light curve analysis of the short-period variable star NSVS 2983201. Using the light curve numerical modeling we find the best fitting model to be of shallow (ff=10%) contact binary…

太阳与恒星天体物理 · 物理学 2023-01-02 B. Debski , K. Walczak

Reanalyzing contact binaries with space-based photometric data and investigating possible parameter changes can yield accurate samples for theoretical studies. We investigated light curve solutions and fundamental parameters for twenty…

太阳与恒星天体物理 · 物理学 2024-05-30 Ehsan Paki , Atila Poro

The short-period AP Dor eclipsing binary's first in-depth and multiband photometric solutions are presented. We made use of our eight nights of ground-based at a southern hemisphere observatory, and twelve sectors of TESS observations. We…

The first multiband photometric solutions of the short-period V Gru eclipsing binary from the southern hemisphere is presented in this study. Light curves of the system were observed through BVI filters at the Congarinni Observatory in…

太阳与恒星天体物理 · 物理学 2023-04-26 Mehmet Tanriver , Atila Poro , Ahmet Bulut , Ahmet Keskin , Mark G. Blackford

The first multi-color light curve analysis of the AH Mic binary system is presented. This system has very few past observations from the southern hemisphere. We extracted the minima times from the light curves based on the Markov Chain…

We performed the first photometric study of the CSS J003106.8+313347 W Ursae Majoris (W UMa)-type system based on ground-based observations. We extracted times of minima from our observations and proposed a linear ephemeris based on the…

太阳与恒星天体物理 · 物理学 2023-07-31 Ehsan Paki , Sabrina Baudart , Atila Poro

The first analysis of the photometric observation in BVR filters of a W UMa type binary system BQ Ari was performed. Light curve analysis was performed using Wilson-Devinney (W-D) code combined with a Monte Carlo (MC) simulation to…

In this work, we present a detailed investigation of five contact binary systems of the W Ursae Majoris (W UMa) type. Multiband photometric observations were conducted using ground-based telescopes in both the northern and southern…

The light curve of V921 Her in ultraviolet band observed by the Lunar-based Ultraviolet Telescope (LUT) is analyzed by the Wilson-Devinney code. Our solutions conclude that V921 Her is an early type marginal contact binary system with an…

太阳与恒星天体物理 · 物理学 2016-08-03 Xiao Zhou , Sheng-Bang Qian , Jia Zhang , Lin-Jia Li , Qi-Shan Wang

This study broadens our comprehensive investigation of total-eclipse W Ursae Majoris-type contact binaries by analyzing eight additional systems, continuing our previous research. Multiband $BVR_cI_c$ photometric data were obtained at an…

太阳与恒星天体物理 · 物理学 2025-11-25 Atila Poro , Raul Michel , Francisco Javier Tamayo , Mahya Hedayatjoo , Hector Aceves , Fahri Alicavus
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