Search Results - "Oreiro, R."

Analysis of the rich frequency spectrum of KIC 10670103 revealing the most slowly rotating subdwarf B star in the Kepler field by Reed, M. D., Foster, H., Telting, J. H., Østensen, R. H., Farris, L. H., Oreiro, R., Baran, A. S.

“…We analyse 2.75 yr of Kepler spacecraft observations of the pulsating subdwarf B star KIC 10670103. These 1.4 million measurements have an impressive duty…”
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Identification of new hot subdwarf binary systems by means of Virtual Observatory tools by Solano, E, Ulla, A, Pérez-Fernández, E, Rodrigo, C, Oreiro, R, Aller, A, Manteiga, M, Santoveña-Gómez, R, Álvarez, M A, Dafonte, C

“…ABSTRACT The estimation of the binary fraction of hot subdwarfs is key to shed light on the different evolution scenarios proposed to explain the loss of the…”
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A search for new hot subdwarf stars by means of virtual observatory tools II by Pérez-Fernández, E., Ulla, A., Solano, E., Oreiro, R., Rodrigo, C.

“…Recent massive sky surveys in different bandwidths are providing new opportunities to modern astronomy. The Virtual Observatory (VO) represents the adequate…”
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First Kepler results on compact pulsators – I. Survey target selection and the first pulsators by Østensen, R. H., Silvotti, R., Charpinet, S., Oreiro, R., Handler, G., Green, E. M., Bloemen, S., Heber, U., Gänsicke, B. T., Marsh, T. R., Kurtz, D. W., Telting, J. H., Reed, M. D., Kawaler, S. D., Aerts, C., Rodríguez-López, C., Vučković, M., Ottosen, T. A., Liimets, T., Quint, A. C., Van Grootel, V., Randall, S. K., Gilliland, R. L., Kjeldsen, H., Christensen-Dalsgaard, J., Borucki, W. J., Koch, D., Quintana, E. V.

“…We present results from the first two quarters of a survey to search for pulsations in compact stellar objects with the Kepler spacecraft. The survey sample…”
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The physical structure of planetary nebulae around sdO stars: Abell 36, DeHt 2, and RWT 152 by Aller, A, Miranda, L F, Olguin, L, Vazquez, R, Guillen, P F, Oreiro, R, Ulla, A, Solano, E

“…We present narrow-band Hα and [O iii] images, and high-resolution, long-slit spectra of the planetary nebulae (PNe) Abell 36, DeHt 2, and RWT 152 aimed at…”
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2M1938+4603: a rich, multimode pulsating sdB star with an eclipsing dM companion observed with Kepler by Østensen, R. H., Green, E. M., Bloemen, S., Marsh, T. R., Laird, J. B., Morris, M., Moriyama, E., Oreiro, R., Reed, M. D., Kawaler, S. D., Aerts, C., Vučković, M., Degroote, P., Telting, J. H., Kjeldsen, H., Gilliland, R. L., Christensen-Dalsgaard, J., Borucki, W. J., Koch, D.

“…2M1938+4603 (KIC 9472174) displays a spectacular light curve dominated by a strong reflection effect and rather shallow, grazing eclipses. The orbital period…”
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First Kepler results on compact pulsators - VI. Targets in the final half of the survey phase by Østensen, R. H., Silvotti, R., Charpinet, S., Oreiro, R., Bloemen, S., Baran, A. S., Reed, M. D., Kawaler, S. D., Telting, J. H., Green, E. M., O'Toole, S. J., Aerts, C., Gänsicke, B. T., Marsh, T. R., Breedt, E., Heber, U., Koester, D., Quint, A. C., Kurtz, D. W., Rodríguez-López, C., Vučković, M., Ottosen, T. A., Frimann, S., Somero, A., Wilson, P. A., Thygesen, A. O., Lindberg, J. E., Kjeldsen, H., Christensen-Dalsgaard, J., Allen, C., McCauliff, S., Middour, C. K.

“…We present results from the final 6 months of a survey to search for pulsations in white dwarfs (WDs) and hot subdwarf stars with the Kepler spacecraft…”
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Orbital properties of an unusually low-mass sdB star in a close binary system with a white dwarf by Silvotti, R., Østensen, R. H., Bloemen, S., Telting, J. H., Heber, U., Oreiro, R., Reed, M. D., Farris, L. E., O'Toole, S. J., Lanteri, L., Degroote, P., Hu, H., Baran, A. S., Hermes, J. J., Althaus, L. G., Marsh, T. R., Charpinet, S., Li, J., Morris, R. L., Sanderfer, D. T.

“…Abstract We have used 605 days of photometric data from the Kepler spacecraft to study KIC 6614501, a close binary system with an orbital period of 0.157 497…”
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Discovery of a New AM CVn System with the Kepler Satellite by Fontaine, G, Brassard, P, Green, E. M, Charpinet, S, Dufour, P, Hubeny, I, Steeghs, D, Aerts, C, Randall, S. K, Bergeron, P, Guvenen, B, O'Malley, C. J, Van Grootel, V, Østensen, R. H, Bloemen, S, Silvotti, R, Howell, S. B, Baran, A, Kepler, S. O, Marsh, T. R, Montgomery, M. H, Oreiro, R, Provencal, J, Telting, J, Winget, D. E, Zima, W, Christensen-Dalsgaard, J, Kjeldsen, H

“…We report the discovery of a new AM CVn system on the basis of broadband photometry obtained with the Kepler satellite supplemented by ground-based optical…”
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J08069+1527: a newly discovered high-amplitude, hybrid subdwarf B pulsator by Baran, A. S., Gilker, J. T., Reed, M. D., Østensen, R. H., Telting, J. H., Smolders, K., Hicks, L., Oreiro, R.

“…We present our discovery of a new hybrid pulsating subdwarf B (sdB) star, J08069+1527. The effective temperature and surface gravity of 28 500 ± 400 K and 5.37…”
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The pulsating hot subdwarf Balloon 090100001: results of the 2005 multisite campaign by Baran, A., Oreiro, R., Pigulski, A., Hernández, F. Pérez, Ulla, A., Reed, M. D., Rodríguez-López, C., Moskalik, P., Kim, S.-L., Chen, W.-P., Crowe, R., Siwak, M., Armendarez, L., Binder, P. M., Choo, K.-J., Dye, A., Eggen, J. R., Garrido, R., González Pérez, J. M., Harms, S. L., Huang, F.-Y., Kozieł, D., Lee, H.-T., MacDonald, J., Fox Machado, L., Monserrat, T., Stevick, J., Stewart, S., Terry, D., Zhou, A.-Y., Zoła, S.

“…We present the results of a multisite photometric campaign on the pulsating B-type hot subdwarf star Balloon 090100001 (Bal09). The star is one of the two…”
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Study of sdO models: pulsation analysis by Rodríguez-López, C., Moya, A., Garrido, R., MacDonald, J., Oreiro, R., Ulla, A.

“…We have explored the possibility of driving pulsation modes in models of subluminous O-stars (sdOs), in which the effects of element diffusion, gravitational…”
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Study of sdO models: mode trapping by Rodríguez-López, C., Moya, A., Garrido, R., MacDonald, J., Oreiro, R., Ulla, A.

“…We present the first description of mode trapping for subdwarf O (sdO) models. Mode trapping of gravity modes caused by the He/H chemical transition is found…”
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Time-resolved high-resolution spectroscopy of the pulsating sdB star QQ Vir (PG1325+101) by Telting, J., Østensen, R., Oreiro, R., Heber, U., Vučković, M., Randall, S., Baran, A.

“…In March 2008 we obtained 2 nights of time-resolved high-resolution spectroscopy with UVES@VLT of the pulsating sdB QQ Vir (PG1325+101), totalling more than…”
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Mode trapping in sdO models by Rodríguez-López, C., Moya, A., Garrido, R., MacDonald, J., Oreiro, R., Ulla, A.

“…Mode trapping of high-radial order gravity modes was found for a particular sdO model. The trapping is caused by the change in composition from the helium…”
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Synthetic pulsational line profile variations by Oreiro, R., Telting, J. H., Østensen, R. H., Briquet, M., Aerts, C., Heber, U., Vučković, M.

“…We have produced simulated time series of high resolution spectroscopy for sdBs. We present the first results of testing classical mode identification…”
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Hot Subdwarfs: Magnetic, Oscillatory and Other Physical Properties by Oreiro, R, Pérez Hernández, F, Manteiga, M, Ulla, A, González Pérez, Jm, Zapatero Osorio, Mr, GarcÍa López, R, Macdonald, J, Thejll, P, Ferriz-mas, A, Saffer, Ra, Elkin, V

“…Hot subdwarf stars (hot sds) are blue subluminous objects. Only a few determinations areavailable to date regarding the study of such aspects as…”
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Study of sdO models: mode trapping by Rodríguez-López, C., Moya, A., Garrido, R., MacDonald, J., Oreiro, R., Ulla, A.

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Study of sdO models: pulsation analysis by Rodríguez-López, C., Moya, A., Garrido, R., MacDonald, J., Oreiro, R., Ulla, A.

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J08069+1527: a newly discovered high-amplitude, hybrid subdwarf B pulsator: J08069 + 1527: A new hybrid sdBV by Baran, A. S., Gilker, J. T., Reed, M. D., Østensen, R. H., Telting, J. H., Smolders, K., Hicks, L., Oreiro, R.

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