KIC 7821010 Çift Yıldız Sisteminin Işık Eğrisi ve ETV Analizi
Year 2020,
Volume: 9 Issue: 2, 629 - 636, 15.06.2020
Çağlayan Nehir
,
İbrahim Bulut
Abstract
Bu çalışmada,
Kepler uzay teleskobu tarafından gözlenen basık yörüngeli ayrık tür KIC 7821010
çift yıldız sisteminin ışık eğrisi ve ETV eğrisi analizleri yapılmıştır. Işık
eğrisi ve bileşenlerin dikine hız eğrileri eş zamanlı olarak analiz edilmiş ve
elde edilen çözümler kullanılarak sistemin mutlak parametreleri hesaplanmıştır.
ETV analizi için Python tabanlı iki adet kod yazılmıştır. Bu kodlar
kullanılarak Kepler veritabanından alınan ışık eğrilerinden tutulma zamanları
hesaplanmış ve ışık zaman etkisi ile birlikte dinamik etki de gözönüne alınarak
ETV analizi yapılmıştır. ETV grafiğinde değişime neden olarak sisteme çekimsel
olarak bağlı yaklaşık 991± 2 gün dönemli ve 2.05 ± 0.06 Mj kütleli
üçüncü bir bileşenin varlığı önerilmiştir.
Thanks
Bu makale Çanakkale Onsekiz Mart Üniversitesi Fen Bilimleri Enstitüsü Fizik Anabilim Dalı doktora öğrencisi Çağlayan NEHİR’in doktora tezi çalışmasından üretilmiştir.
References
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- Irwin J.B. 1952. The Determination Of A Light-Time Orbit, The Astrophysical Journal, 116: 211.
- Irwin J.B. 1959. Standard Light-Time Curves, The Astronomical Journal, 64: 149.
- Borkovits T., Érdi B., Forgács-Dajka E., Kovács T. 2003. On The Detectability Of Long Period Perturbations In Close Hierarchical Triple Stellar Systems, Astronomy & Astrophysics, 398 (3): 1091–1102.
- Borkovits T., Csizmadia S., Forgács-Dajka E., Hegedüs T. 2011. Transit Timing Variations In Eccentric Hierarchical Triple Exoplanetary Systems: I. Perturbations On The Time Scale Of The Orbital Period Of The Perturber, Astronomy and Astrophysics, 528: 25.
- Borkovits T., Rappaport S., Hajdu T., Sztakovics J. 2015. Eclipse Timing Variation Analyses Of Eccentric Binaries With Close Tertiaries In The Kepler Field, Monthly Notices of the Royal Astronomical Society, 448 (1): 946–993.
- Rappaport S., Deck K., Levine A., Borkovits T., Carter J., El Mellah I., Sanchis-Ojeda R., Kalomeni B. 2013. Triple-Star Candidates Among The Kepler Binaries, The Astrophysical Journal, 768 (1): 33.
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- Borkovits T., Hajdu T., Sztakovics J., Rappaport S., Levine A., Bíró I.B., Klagyivik P. 2016. A Comprehensive Study Of The Kepler Triples Via Eclipse Timing, Monthly Notices of the Royal Astronomical Society, 455 (4): 4136–4165.
- Hełminiak K.G., Ukita N., Kambe E., Kozłowski S.K., Sybilski P., Maehara H., Ratajczak M., Konacki M., Pawłaszek R.K. 2017. HIDES Spectroscopy Of Bright Detached Eclipsing Binaries From The Kepler Field – II. Double- And Triple-Lined Objects, Monthly Notices of the Royal Astronomical Society, 468 (2): 1726–1746.
- Hełminiak K.G., Konacki M., Maehara H., Kambe E., Ukita N., Ratajczak M., Pigulski A., Kozłowski S.K. 2019. HIDES Spectroscopy Of Bright Detached Eclipsing Binaries From The Kepler Field – III. Spectral Analysis, Updated Parameters And New Systems, Monthly Notices of the Royal Astronomical Society, 484 (1): 451–475.
- Newville M., Ingargiola A., Stensitzki T., Allen D.B. 2014. LMFIT: Non-Linear Least-Square Minimization And Curve-Fitting For Python. Zenodo.
- Wilson R.E., Devinney E.J. 1971. Realization Of Accurate Close-Binary Light Curves: Application To MR Cygni, The Astrophysical Journal, 166: 605.
- Armstrong D.J., Gómez M.C.Y., Faedi F., Pollacco D. 2013. A Catalogue Of Temperatures For Kepler Eclipsing Binary Stars, Monthly Notices of the Royal Astronomical Society, 437 (4): 3473–3481.
- Ruciński S. 1969. The Proximity Effects In Close Binary Systems. II. The Bolometric Reflection Effect For Stars With Deep Convective Envelopes, Acta Astronomic, 19: 245.
- Lucy L.B. 1967. Gravity-Darkening For Stars With Convective Envelopes, Zeitschrift Für Astrophysik, 65: 89–92.
- Feroz F., Hobson M.P., Bridges M. 2009. MultiNest: An Efficient And Robust Bayesian Inference Tool For Cosmology And Particle Physics, Monthly Notices of the Royal Astronomical Society, 398 (4): 1601–1614.
- Buchner J., Georgakakis A., Nandra K., Hsu L., Rangel C., Brightman M., Merloni A., Salvato M., Donley J., Kocevski D. 2014. X-Ray Spectral Modelling Of The AGN Obscuring Region In The CDFS: Bayesian Model Selection And Catalogue, Astronomy & Astrophysics, 564: 25.
Year 2020,
Volume: 9 Issue: 2, 629 - 636, 15.06.2020
Çağlayan Nehir
,
İbrahim Bulut
References
- Doyle L.R., Carter J.A., Fabrycky D.C., Slawson R.W., Howell S.B., Winn J.N., Orosz J.A., Prša A., Welsh W.F., Quinn S.N., Latham D., Torres G., Buchhave L.A., Marcy G.W., Fortney J.J., Shporer A., Ford E.B., Lissauer J.J., Ragozzine D., Rucker, M., Batalha, N., Jenkins, J.M., Borucki, W.J., Koch, D., Middour, C.K., Hall, J.R., McCauliff, S., Fanelli, M.N., Quintana, E.V., Holman, M.J., Caldwell, D.A., Still, M., Stefanik, R.P., Brown, W.R., Esquerdo, G.A., Tang, S., Furesz, G., Geary, J.C., Berlind, P., Calkins, M.L., Short, D.R., Steffen, J.H., Sasselov, D., Dunham, E.W., Cochran, W.D., Boss, A., Haas, M.R., Buzasi, D., Fischer, D. 2011. Kepler-16: A Transiting Circumbinary Planet, Science, 333 (6049): 1602–1606.
- Hilditch R.W., 2001. An Introduction to Close Binary Stars An Introduction to Close Binary Stars, Cambridge University Press, 392s. Cambridge.
- Irwin J.B. 1952. The Determination Of A Light-Time Orbit, The Astrophysical Journal, 116: 211.
- Irwin J.B. 1959. Standard Light-Time Curves, The Astronomical Journal, 64: 149.
- Borkovits T., Érdi B., Forgács-Dajka E., Kovács T. 2003. On The Detectability Of Long Period Perturbations In Close Hierarchical Triple Stellar Systems, Astronomy & Astrophysics, 398 (3): 1091–1102.
- Borkovits T., Csizmadia S., Forgács-Dajka E., Hegedüs T. 2011. Transit Timing Variations In Eccentric Hierarchical Triple Exoplanetary Systems: I. Perturbations On The Time Scale Of The Orbital Period Of The Perturber, Astronomy and Astrophysics, 528: 25.
- Borkovits T., Rappaport S., Hajdu T., Sztakovics J. 2015. Eclipse Timing Variation Analyses Of Eccentric Binaries With Close Tertiaries In The Kepler Field, Monthly Notices of the Royal Astronomical Society, 448 (1): 946–993.
- Rappaport S., Deck K., Levine A., Borkovits T., Carter J., El Mellah I., Sanchis-Ojeda R., Kalomeni B. 2013. Triple-Star Candidates Among The Kepler Binaries, The Astrophysical Journal, 768 (1): 33.
- Slawson R.W., Prša A., Welsh W.F., Orosz J.A., Rucker M., Batalha N., Doyle L.R., Engle S.G., Conroy K., Coughlin J., Gregg T.A., Fetherolf T., Short D.R., Windmiller G., Fabrycky D.C., Howell S.B., Jenkins J.M., Uddin K., Mullally F., Seader, S.E., Thompson, S.E., Sanderfer, D.T., Borucki, W., Koch, D. 2011. Kepler Eclipsing Binary Stars. II 2165 Eclipsing Binaries In The Second Data Release, The Astronomical Journal, 142 (5): 160.
- Borkovits T., Hajdu T., Sztakovics J., Rappaport S., Levine A., Bíró I.B., Klagyivik P. 2016. A Comprehensive Study Of The Kepler Triples Via Eclipse Timing, Monthly Notices of the Royal Astronomical Society, 455 (4): 4136–4165.
- Hełminiak K.G., Ukita N., Kambe E., Kozłowski S.K., Sybilski P., Maehara H., Ratajczak M., Konacki M., Pawłaszek R.K. 2017. HIDES Spectroscopy Of Bright Detached Eclipsing Binaries From The Kepler Field – II. Double- And Triple-Lined Objects, Monthly Notices of the Royal Astronomical Society, 468 (2): 1726–1746.
- Hełminiak K.G., Konacki M., Maehara H., Kambe E., Ukita N., Ratajczak M., Pigulski A., Kozłowski S.K. 2019. HIDES Spectroscopy Of Bright Detached Eclipsing Binaries From The Kepler Field – III. Spectral Analysis, Updated Parameters And New Systems, Monthly Notices of the Royal Astronomical Society, 484 (1): 451–475.
- Newville M., Ingargiola A., Stensitzki T., Allen D.B. 2014. LMFIT: Non-Linear Least-Square Minimization And Curve-Fitting For Python. Zenodo.
- Wilson R.E., Devinney E.J. 1971. Realization Of Accurate Close-Binary Light Curves: Application To MR Cygni, The Astrophysical Journal, 166: 605.
- Armstrong D.J., Gómez M.C.Y., Faedi F., Pollacco D. 2013. A Catalogue Of Temperatures For Kepler Eclipsing Binary Stars, Monthly Notices of the Royal Astronomical Society, 437 (4): 3473–3481.
- Ruciński S. 1969. The Proximity Effects In Close Binary Systems. II. The Bolometric Reflection Effect For Stars With Deep Convective Envelopes, Acta Astronomic, 19: 245.
- Lucy L.B. 1967. Gravity-Darkening For Stars With Convective Envelopes, Zeitschrift Für Astrophysik, 65: 89–92.
- Feroz F., Hobson M.P., Bridges M. 2009. MultiNest: An Efficient And Robust Bayesian Inference Tool For Cosmology And Particle Physics, Monthly Notices of the Royal Astronomical Society, 398 (4): 1601–1614.
- Buchner J., Georgakakis A., Nandra K., Hsu L., Rangel C., Brightman M., Merloni A., Salvato M., Donley J., Kocevski D. 2014. X-Ray Spectral Modelling Of The AGN Obscuring Region In The CDFS: Bayesian Model Selection And Catalogue, Astronomy & Astrophysics, 564: 25.