Zobrazeno 1 - 10
of 194
pro vyhledávání: '"Dal, H A"'
Autor:
Kaya, N. Ö., Dal, H. A.
We present results regarding the longitudinal migrations of cool stellar spots that exhibit remarkable oscillations and explore their possible causes. We conducted analyses using high-quality data from nine target systems of various spectral types, s
Externí odkaz:
http://arxiv.org/abs/2403.16946
Akademický článek
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Akademický článek
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Autor:
Kunt, M., Dal, H. A.
Publikováno v:
2017AcA....67..345K
We present here the results on the physical nature a RS CVn binary KIC 7885570 and its chromospheric activity based on the Kepler Mission data. Assuming the primary component temperature, 6530 K, the temperature of the secondary component was found t
Externí odkaz:
http://arxiv.org/abs/1801.06712
Autor:
Kaya, N. Ö.1,2 (AUTHOR) nurhanozlemk@gmail.com, Dal, H. A.1 (AUTHOR)
Publikováno v:
Astronomische Nachrichten. Dec2024, p1. 11p. 6 Illustrations, 6 Charts.
Autor:
Dal, H. A.1 (AUTHOR), Yoldaş, E.1 (AUTHOR)
Publikováno v:
Astrophysics & Space Science. May2023, Vol. 368 Issue 5, p1-11. 11p.
Autor:
Dal, H. A., Sipahi, E.
Taking into account results obtained from models and analyses, we determined the nature and structures of V1003 Her. We analysed the light curves obtained in this study together with the available radial velocity curve. The analysis revealed that the
Externí odkaz:
http://arxiv.org/abs/1310.5266
Autor:
Sipahi, E., Dal, H. A.
The BVR photometric light curves of the eclipsing binary BD And were obtained in 2008 and 2009. We estimated the mass ratio of the system as 0.97 and the photometric solutions were derived. The results show that BD And is a detached binary system, wh
Externí odkaz:
http://arxiv.org/abs/1306.2750
BVR light curves and radial velocities for the double-lined eclipsing binary V1135\,Her were obtained. The brighter component of V1135\,Her is a Cepheid variable with a pulsation period of 4.22433$\pm$0.00026 days. The orbital period of the system is
Externí odkaz:
http://arxiv.org/abs/1304.6056
Autor:
Dal, H. A., Sipahi, E.
Taking into account the results obtained from the models and analyses of the BVRI light curves, we discuss the nature of V1464 Aql. The analyses indicated that the mass ratio of the system is q=0.71(0.02), while the inclination of the system (i) is 3
Externí odkaz:
http://arxiv.org/abs/1210.4348