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Journals / Turkish Journal of Astronomy and Astrophysics / 2023 / Cilt: 4 Sayı: 3 Özel Sayı

The Potential of The Cataclysmic Variable DW UMa to Host Planets

Kataklizmik Değişen DW UMa’nın Gezegen Barındırma Potansiyeli

Eylül Demir(ANKARA ÜNİVERSİTESİ, FEN BİLİMLERİ ENSTİTÜSÜ)0000-0002-1206-5464
Ozgur Basturk(ANKARA ÜNİVERSİTESİ, FEN FAKÜLTESİ, ASTRONOMİ VE UZAY BİLİMLERİ BÖLÜMÜ)0000-0002-4746-0181
Ekrem Murat Esmer(ANKARA ÜNİVERSİTESİ, FEN FAKÜLTESİ, ASTRONOMİ VE UZAY BİLİMLERİ BÖLÜMÜ)0000-0002-6191-459X
Hakan Volkan Şenavcı(ANKARA ÜNİVERSİTESİ, FEN FAKÜLTESİ, ASTRONOMİ VE UZAY BİLİMLERİ BÖLÜMÜ)0000-0002-8961-277X
Engin Bahar(ANKARA ÜNİVERSİTESİ, FEN FAKÜLTESİ, ASTRONOMİ VE UZAY BİLİMLERİ BÖLÜMÜ)0000-0001-9119-2316
Pages
401–405
Publication Date
2023-12-31
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

In this study, the eclipse times of the nova-like cataclysmic binary system DW UMa were analyzed and the results were interpreted and discussed in the context of mass transfer, axis rotation and light time effect.

📌 3 Key Takeaways

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Objective & Hypothesis:Eclipsing binaries of an evolved sub dwarf or white dwarf and an M dwarf are ideal systems for determining precise eclipse timings due to their short orbital periods and fast-passing, symmetrical, V-shaped minimum profiles.As a result of examining the change in eclipse times, the light-time effect that can be caused by first generation exoplanets connected to the system via gravity or second generation exoplanets that may occur in accretion disks caused by material lost by one of the components during the evolution of the system can be determined.The vast majority of exoplanet discoveries made by this method to date have been carried out in such systems at an advanced stage of evolution.
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Key Findings & Data:Eclipsing binaries of an evolved sub dwarf or white dwarf and an M dwarf are ideal systems for determining precise eclipse timings due to their short orbital periods and fast-passing, symmetrical, V-shaped minimum profiles.As a result of examining the change in eclipse times, the light-time effect that can be caused by first generation exoplanets connected to the system via gravity or second generation exoplanets that may occur in accretion disks caused by material lost by one of the components during the evolution of the system can be determined.The vast majority of exoplanet discoveries made by this method to date have been carried out in such systems at an advanced stage of evolution.
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Conclusion & Impact:In this study, the eclipse times of the nova-like cataclysmic binary system DW UMa were analyzed and the results were interpreted and discussed in the context of mass transfer, axis rotation and light time effect.
🔬Design:Konferans Bildirisi
📍Scope:Comprehensive Sample
⚙️Variables:(stars:) novae · cataclysmic variables · techniques: photometric

Abstract

Eclipsing binaries of an evolved sub dwarf or white dwarf and an M dwarf are ideal systems for determining precise eclipse timings due to their short orbital periods and fast-passing, symmetrical, V-shaped minimum profiles.As a result of examining the change in eclipse times, the light-time effect that can be caused by first generation exoplanets connected to the system via gravity or second generation exoplanets that may occur in accretion disks caused by material lost by one of the components during the evolution of the system can be determined.The vast majority of exoplanet discoveries made by this method to date have been carried out in such systems at an advanced stage of evolution. In this study, the eclipse times of the nova-like cataclysmic binary system DW UMa were analyzed and the results were interpreted and discussed in the context of mass transfer, axis rotation and light time effect.

Özet

Evrimleşmiş bir altcüce ya da beyaz cüce ile bir M cücesinden oluşan örten çiftler kısa yörünge dönemleri, hızlı geçilen, simetrik, V-şeklindeki minimum profilleri nedeniyle hassas tutulma zamanlarının belirlenmesi için ideal sistemlerdir. Tutulma zamanlarındaki değişimin incelenmesi sonucu sisteme kütle çekimle bağlı birinci nesil ya da sistemin evrimi sırasında bileşenlerden birinin kaybettiği materyalden kaynaklı birikim disklerinde oluşabilecek ikinci nesil ötegezegenlerin neden olabileceği ışık-zaman etkisi tespit edilebilir. Bugüne kadar bu yöntemle yapılan ötegezegen keşiflerinin çok büyük bir çoğunluğu evriminin ileri aşamalarındaki bu tür sistemlerde gerçekleştirilmiştir. Bu çalışmada nova benzeri kataklizmik çift sistem DW UMa’nın tutulma zamanları analiz edilerek sonuçlar kütle transferi, eksen dönmesi ve ışık zaman etkisi bağlamında yorumlanmış ve tartışılmıştır.

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Cite This Article

Demir, E., Basturk, O., Esmer, E. M., Şenavcı, H. V., Bahar, E. (2023). The Potential of The Cataclysmic Variable DW UMa to Host Planets. Turkish Journal of Astronomy and Astrophysics, Cilt: 4 Sayı: 3 Özel Sayı, 401–405. https://doi.org/10.55064/tjaa.1203526

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