Zobrazeno 1 - 10
of 181
pro vyhledávání: '"Bozic, H."'
Autor:
Oplištilová, A., Mayer, P., Harmanec, P., Brož, M., Pigulski, A., Božić, H., Zasche, P., Šlechta, M., Pablo, H., Kołaczek-Szymański, P. A., Moffat, A. F. J., Lovekin, C. C., Wade, G. A., Zwintz, K., Popowicz, A., Weiss, W. W.
Publikováno v:
A&A 672, A31 (2023)
$\delta$ Orionis is the closest massive multiple stellar system and one of the brightest members of the Orion OB association. The primary (Aa1) is a unique evolved O star. In this work, we applied a two-step disentangling method to a series of spectr
Externí odkaz:
http://arxiv.org/abs/2301.10290
Autor:
Brož, M., Harmanec, P., Zasche, P., Catalan-Hurtado, R., Barlow, B. N., Frondorf, W., Wolf, M., Drechsel, H., Chini, R., Nasseri, A., Labadie-Bartz, J., Christie, G. W., Walker, W. S. G., Blackford, M., Blane, D., Henden, A. A., Bohlsen, T., Božić, H., Jonák, J.
Publikováno v:
A&A 666, A24 (2022)
HD 93206 is early-type massive stellar system, composed of components resolved by direct imaging (Ab, Ad, B, C, D) as well as a compact sub-system (Aa1, Aa2, Ac1, Ac2). Its geometry was already determined on the basis of extensive photometric, spectr
Externí odkaz:
http://arxiv.org/abs/2206.12160
Autor:
Harmanec, P., Božić, H., Koubský, P., Yang, S., Ruždjak, D., Sudar, D., Šlechta, M., Wolf, M., Korčáková, D., Zasche, P., Oplištilová, A., Vršnak, D., Ak, H., Eenens, P., Bakiş, H., Bakiş, V., Otero, S., Chini, R., Demsky, T., Barlow, B. N., Svoboda, P., Jonák, J., Vitovský, K., Harmanec, A.
Publikováno v:
A&A 666, A136 (2022)
A reliable determination of the basic physical properties and variability patterns of hot emission-line stars is important for understanding the Be phenomenon and ultimately, the evolutionary stage of Be stars. This study is devoted to one of the mos
Externí odkaz:
http://arxiv.org/abs/2206.11649
Autor:
Harmanec, P., Zasche, P., Brož, M., Catalan-Hurtado, R., Barlow, B. N., Frondorf, W., Wolf, M., Drechsel, H., Chini, R., Nasseri, A., Pigulski, A., Labadie-Bartz, J., Christie, G. W., Walker, W. S. G., Blackford, M., Blane, D., Henden, A. A., Bohlsen, T., Božić, H., Jonák, J.
Publikováno v:
A&A 666, A23 (2022)
The hot nine-component system HD 93206, which contains a gravitationally bounded eclipsing Ac1+Ac2 binary ($P=5.9987$~d) and a spectroscopic Aa1+Aa2 ($P=20.734$~d) binary can provide~important insights into the origin and evolution of massive stars.
Externí odkaz:
http://arxiv.org/abs/2204.07045
Autor:
Wolf, M., Harmanec, P., Božić, H., Koubský, P., Yang, S., Ruždjak, D., Šlechta, M., Ak, H., Bakış, H., Bakış, V., Oplištilová, A., Vitovský, K.
Publikováno v:
A&A 647, A97 (2021)
We present the latest results of a long-term observational project aimed at observing, collecting from the literature, and homogenising the light, colour, and spectral variations of the well-known emission-line Be star V923 Aql. Our analysis of these
Externí odkaz:
http://arxiv.org/abs/2102.00631
Autor:
Brož, M., Mourard, D., Budaj, J., Harmanec, P., Schmitt, H., Tallon-Bosc, I., Bonneau, D., Božić, H., Gies, D., Šlechta, M.
Publikováno v:
A&A 645, A51 (2021)
beta Lyr A is a complex binary system with an extensive observational dataset: light curves (from FUV to FIR), interferometric squared visibility, closure phase, triple product measurements, spectral-energy distribution (SED), high-resolution spectro
Externí odkaz:
http://arxiv.org/abs/2010.05541
Autor:
Harmanec, P., Lipták, J., Koubský, P., Božić, H., Labadie-Bartz, J., Šlechta, M., Yang, S., Harmanec, A.
Publikováno v:
A&A 639, A32 (2020)
We confirmed the binary nature of the Be star 7~Vul, derived a~more accurate spectroscopic orbit with an orbital period of (69.4212+/-0.0034) d, and improved the knowledge of the basic physical elements of the system. Analyzing available photometry a
Externí odkaz:
http://arxiv.org/abs/2005.11089
Autor:
Koubský, P., Harmanec, P., Brož, M., Kotková, L., Yang, S., Božić, H., Sudar, D., Frémat, Y., Korčákov'a, D., Votruba, V., Škoda, P., Šlechta, M., Ruždjak, D.
Publikováno v:
A&A 629, A105 (2019)
Reliable determination of the basic physical properties of hot emission-line binaries with Roche-lobe filling secondaries is important for developing the theory of mass exchange in binaries. It is not easy, however, due to the presence of circumstell
Externí odkaz:
http://arxiv.org/abs/1908.02719
Autor:
Harmanec, P., Svanda, M., Korcakova, D., Chini, R., Nasseri, A., Yang, S., Bozic, H., Slechta, M., Vanzi, L.
Bright Be star beta CMi has been identified as a non-radial pulsator on the basis of space photometry with the MOST satellite and also as a single-line spectroscopic binary with a period of 170.4 d. The purpose of this study is to re-examine both the
Externí odkaz:
http://arxiv.org/abs/1902.07450
Autor:
Mourard, D., Broz, M., Nemravova, J., Harmanec, P., Budaj, J., Baron, F., Monnier, J., Schaefer, G., Schmitt, H., Tallon-Bosc, I., Armstrong, J., Baines, E., Bonneau, D., Bozic, H., Clausse, J. M., Farrington, C., Gies, D., Jurysek, J., Korcakova, D., McAlister, H., Meilland, A., Nardetto, N., Svoboad, P., Slechta, M., Wolf, M., Zasche, P.
Mass exchange and mass loss in close binaries can significantly affect their evolution, but a complete self-consistent theory of these processes is still to be developed. Processes such as radiative shielding due to a~hot-spot region, or a~hydrodynam
Externí odkaz:
http://arxiv.org/abs/1807.04789