Zobrazeno 1 - 10
of 1 110
pro vyhledávání: '"ISIK, E"'
Publikováno v:
A&A 672, A138 (2023)
The amplitude and morphology of light curves of solar-like stars change substantially with increasing rotation rate: brightness variations get amplified and become more regular, which has so far not been explained. We develop a modelling approach for
Externí odkaz:
http://arxiv.org/abs/2303.03040
Autor:
Nèmec, N. -E., Shapiro, A. I., Işık, E., Sowmya, K., Solanki, S. K., Krivova, N. A., Cameron, R. H., Gizon, L.
Surfaces of the Sun and other cool stars are filled with magnetic fields, which are either seen as dark compact spots or more diffuse bright structures like faculae. Both hamper detection and characterisation of exoplanets, affecting stellar brightne
Externí odkaz:
http://arxiv.org/abs/2207.06816
A breakthrough in exoplanet detections is foreseen with the unprecedented astrometric measurement capabilities offered by instrumentation aboard Gaia space observatory. Besides, astrometric discoveries of exoplanets are expected from the planned spac
Externí odkaz:
http://arxiv.org/abs/2206.07702
Autor:
Sowmya, K., Nèmec, N. -E., Shapiro, A. I., Işık, E., Witzke, V., Mints, A., Krivova, N. A., Solanki, S. K.
Publikováno v:
2021, ApJ, 919, 94
Ultra-precise astrometry from the Gaia mission is expected to lead to astrometric detections of more than 20,000 exoplanets in our Galaxy. One of the factors that could hamper such detections is the astrometric jitter caused by the magnetic activity
Externí odkaz:
http://arxiv.org/abs/2107.01493
Autor:
Şenavcı, H. V., Kılıçoğlu, T., Işık, E., Hussain, G. A. J., Montes, D., Bahar, E., Solanki, S. K.
Observations and modelling of stars with near-solar masses in their early phases of evolution is critical for a better understanding of how dynamos of solar-type stars evolve. We examine the chemical composition and the spot distribution of the pre-m
Externí odkaz:
http://arxiv.org/abs/2101.07248
Publikováno v:
A&A 638, A56 (2020)
Comparing solar and stellar brightness variations is hampered by the difference in spectral passbands used in observations as well as by the possible difference in the inclination of their rotation axes from the line of sight. We calculate the rotati
Externí odkaz:
http://arxiv.org/abs/2004.06974
Autor:
Şenavcı, H. V., Bahar, E., Montes, D., Zola, S., Hussain, G. A. J., Frasca, A., Işık, E., Yörükoğlu, O.
Using a time series of high-resolution spectra and high-quality multi-colour photometry, we reconstruct surface maps of the primary component of the RS CVn type rapidly rotating eclipsing binary, SV Cam (F9V + K4V). We measure a mass ratio, q, of 0.6
Externí odkaz:
http://arxiv.org/abs/1806.01801
Akademický článek
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Autor:
Ozkinay, F., Emecen, D.A., Kose, M., Isik, E., Bozaci, A.E., Canda, E., Tuysuz, B., Zubarioglu, T., Atik, T., Onay, H.
Publikováno v:
In Molecular Genetics and Metabolism Reports June 2021 27
Akademický článek
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