Search Results - "Gazeas, K. D."

CoBiToM project – I. Contact binaries towards merging by Gazeas, K D, Loukaidou, G A, Niarchos, P G, Palafouta, S, Athanasopoulos, D, Liakos, A, Zola, S, Essam, A, Hakala, P

“…ABSTRACT Binary and multiple stellar systems are numerous in our solar neighbourhood with 80 per cent of the solar-type stars being members of systems with…”
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CoBiToM Project – II. Evolution of contact binary systems close to the orbital period cut-off by Loukaidou, G A, Gazeas, K D, Palafouta, S, Athanasopoulos, D, Zola, S, Liakos, A, Niarchos, P G, Hakala, P, Essam, A, Hatzidimitriou, D

“…ABSTRACT Ultra-short orbital period contact binaries (Porb < 0.26 d) host some of the smallest and least massive stars. These systems are faint and rare, and…”
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Dynamical mass of the white dwarf in XY Ari: a test for intermediate polar X-ray spectral models by Álvarez-Hernández, A, Torres, M A P, Rodríguez-Gil, P, Shahbaz, T, Sánchez-Sierras, J, Acosta-Pulido, J A, Jonker, P G, Gazeas, K D, Hakala, P, Corral-Santana, J M

“…ABSTRACT We present a dynamical study of the eclipsing intermediate polar XY Ari based on time-resolved near-infrared spectroscopy obtained with the EMIR…”
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The intermediate polar cataclysmic variable GK Persei 120 years after the nova explosion: a first dynamical mass study by Álvarez-Hernández, A, Torres, M A P, Rodríguez-Gil, P, Shahbaz, T, Anupama, G C, Gazeas, K D, Pavana, M, Raj, A, Hakala, P, Stone, G, Gomez, S, Jonker, P G, Ren, J-J, Cannizzaro, G, Pastor-Marazuela, I, Goff, W, Corral-Santana, J M, Sabo, R

“…ABSTRACT We present a dynamical study of the intermediate polar and dwarf nova cataclysmic variable GK Persei (Nova Persei 1901) based on a multisite optical…”
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Resolving the pulsations of the subdwarf B star KPD 2109 + 4401 by Zhou, A.-Y., Reed, M. D., Harms, S., Terndrup, D. M., An, D., Zola, S., Gazeas, K. D., Niarchos, P. G., Ogloza, W., Baran, A., Wolf, G. W.

“…We present the results of extensive time-series photometry of the pulsating subdwarf B star KPD 2109 + 4401. Our data set consists of 29 data runs with a total…”
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Masses and angular momenta of contact binary stars by Gazeas, K. D., Niarchos, P. G.

“…Results are presented on component masses and system angular momenta for over 100 low-temperature contact binaries. It is found that the secondary components…”
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Dynamical mass of the white dwarf in XY Ari: a test for intermediate polar X-ray spectral models by Álvarez-Hernández, A, Torres, M. A. P, Rodríguez-Gil, P, Shahbaz, T, Sánchez-Sierras, J, Acosta-Pulido, J. A, Jonker, P. G, Gazeas, K. D, Hakala, P, Corral-Santana, J. M

“…We present a dynamical study of the eclipsing intermediate polar XY Ari based on time-resolved near-infrared spectroscopy obtained with the EMIR spectrograph…”
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Light-Time Effect in the Eclipsing Binaries GO Cyg, GW Cep, AR Aur and V505 Sgr by Chochol, D, Pribulla, T, Vako, M, Mayer, P, Wolf, M, Niarchos, P G, Gazeas, K D, Manimanis, V N, Brat, L, Zejda, M

“…Issue Title: Close Binaries in the 21st Century: New Opportunities and Challenges Orbital period changes of the eclipsing binaries GO Cyg and GW Cep are…”
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CoBiToM Project -- II: Evolution of contact binary systems close to the orbital period cut-off by Loukaidou, G. A, Gazeas, K. D, Palafouta, S, Athanasopoulos, D, Zola, S, Liakos, A, Niarchos, P. G, Hakala, P, Essam, A, Hatzidimitrio, D

“…Ultra-short orbital period contact binaries (Porb < 0.26 d) host some of the smallest and least massive stars. These systems are faint and rare, and it is…”
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Investigation of Times of Minima of Selected Early-Type Eclipsing Binaries by Mayer, Pavel, Wolf, Marek, Niarchos, P G, Gazeas, K D, Manimanis, V N, Chochol, Drahomir

“…Issue Title: Close Binaries in the 21st Century: New Opportunities and Challenges New precise times of minimum light for several early-type eclipsing binaries…”
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Ccd Photometry and Modeling of the Overcontact Binary Systems Nn Vir and Yy CrB by Gazeas, K D, Niarchos, P G

“…New ground-based BV RI CCD observations of the eclipsing binary systems NN Vir and YY CrB are analyzed and illustrated. New times of minima are given and new…”
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Modeling the 2004.5 Brightening of the Contact Binary V839 Oph by Gazeas, K D, Niarchos, P G, Gradoula, G-P

“…Issue Title: Close Binaries in the 21st Century: New Opportunities and Challenges Time-series CCD photometry of the contact system V839 Oph on May, June and…”
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Eccentric Eclipsing Binary YY Sagittarii by Wolf, Marek, Niarchos, P G, Gazeas, K D, Manimanis, V N, Kotkova, Lenka, Paschke, Anton, Zejda, Miloslav

“…Issue Title: Close Binaries in the 21st Century: New Opportunities and Challenges Seven new precise times of minimum light have been gathered for the triple…”
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CoBiToM Project -- I. Contact Binaries Towards Merging by Gazeas, K. D, Loukaidou, G. A, Niarchos, P. G, Palafouta, S, Athanasopoulos, D, Liakos, A, Zola, S, Essam, A, Hakala, P

“…Binary and multiple stellar systems are numerous in our solar neighborhood with 80 per cent of the solar-type stars being members of systems with high order…”
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The intermediate polar cataclysmic variable GK Persei 120 years after the nova explosion: a first dynamical mass study by Álvarez-Hernández, A, Torres, M. A. P, Rodríguez-Gil, P, Shahbaz, T, Anupama, G. C, Gazeas, K. D, Pavana, M, Raj, A, Hakala, P, Stone, G, Gomez, S, Jonker, P. G, Ren, J. -J, Cannizzaro, G, Pastor-Marazuela, I, Goff, W, Corral-Santana, J. M, Sabo, R

“…We present a complete dynamical study of the intermediate polar and dwarf nova cataclysmic variable GK Per (Nova Persei 1901) based on a multi-site optical…”
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Erratum: Masses and angular momenta of contact binary stars by Gazeas, K. D., Niarchos, P. G.

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Erratum: Masses and angular momenta of contact binary stars by Gazeas, K. D., Niarchos, P. G.

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Masses and angular momenta of contact binary stars by Gazeas, K. D., Niarchos, P. G.

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Resolving the pulsations of the subdwarf B star KPD 2109 + 4401 by Zhou, A.-Y., Reed, M. D., Harms, S., Terndrup, D. M., An, D., Zola, S., Gazeas, K. D., Niarchos, P. G., Ogloza, W., Baran, A., Wolf, G. W.

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Masses and angular momenta of contact binary stars by Gazeas, K. D, Niarchos, P. G

“…Mon.Not.Roy.Astron.Soc.Lett. 370 (2006) L29-L32; Erratum-ibid. 372 (2006) L83 Results are presented on component masses and system angular momenta for over a…”
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