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of 37
pro vyhledávání: '"Mirouh, G."'
Autor:
Hernández, A. García, Pascual-Granado, J., Lares-Martiz, M., Mirouh, G. M., Suárez, J. C., Forteza, S. Barceló, Moya, A.
In this work, we focus on the period-luminosity relation (PLR) of $\delta$ Sct stars, in which mode excitation and selection mechanisms are still poorly constrained, and whose structure and oscillations are affected by rotation. We review the PLRs in
Externí odkaz:
http://arxiv.org/abs/2311.01238
Autor:
Ortega, D. Pamos, Mirouh, G. M., Hernández, A. García, Yanes, J. C. Suárez, Forteza, S. Barceló
Publikováno v:
A&A 675, A167 (2023)
Aims. The main goal of this work is to date young open clusters using $\delta$ Sct stars. Seismic indices such as the large separation and the frequency at maximum power can help to constrain the models to better characterise the stars. We propose a
Externí odkaz:
http://arxiv.org/abs/2306.02791
Autor:
Sartorio, Nina S., Fialkov, A., Hartwig, T., Mirouh, G. M., Izzard, R. G., Magg, M., Klessen, R. S., Glover, S. C. O., Chen, L., Tarumi, Y., Hendriks, D. D.
The first population of X-ray binaries (XRBs) is expected to affect the thermal and ionization states of the gas in the early Universe. Although these X-ray sources are predicted to have important implications for high-redshift observable signals, su
Externí odkaz:
http://arxiv.org/abs/2303.03435
Autor:
Rieutord, M., Petit, P., Reese, D., Böhm, T., Ariste, A. Lopez, Mirouh, G., de Souza, A. Domiciano
Publikováno v:
A&A 669, A99 (2023)
Context: Rapid rotation is a common feature of early-type stars but which remains a challenge for the models. The understanding of its effect on stellar evolution is however imperative to interpret the observed properties of numerous stars. Aims: We
Externí odkaz:
http://arxiv.org/abs/2209.09559
Autor:
Gessey-Jones, T., Sartorio, N. S., Fialkov, A., Mirouh, G. M., Magg, M., Izzard, R. G., Acedo, E. de Lera, Handley, W. J., Barkana, R.
Publikováno v:
Monthly Notices of the Royal Astronomical Society, Volume 516, Issue 1, October 2022, Pages 841-860
Properties of the first generation of stars (Pop III), such as their initial mass function (IMF), are poorly constrained by observations and have yet to converge between simulations. The cosmological 21-cm signal of neutral hydrogen is predicted to b
Externí odkaz:
http://arxiv.org/abs/2202.02099
Publikováno v:
A&A 645, A46 (2021)
Recent numerical and theoretical considerations have shown that low-degree acoustic modes in rapidly rotating stars follow an asymptotic formula and recent observations of pulsations in rapidly rotating delta Scuti stars seem to match these expectati
Externí odkaz:
http://arxiv.org/abs/2010.11312
Autor:
Antoci, V., Cunha, M. S., Bowman, D. M., Murphy, S. J., Kurtz, D. W., Bedding, T. R., Borre, C. C., Christophe, S., Daszyńska-Daszkiewicz, J., Fox-Machado, L., Hernández, A. García, Ghasemi, H., Handberg, R., Hansen, H., Hasanzadeh, A., Houdek, G., Johnston, C., Justesen, A. B., Alicavus, F. Kahraman, Kotysz, K., Latham, D., Matthews, J. M., Mønster, J., Niemczura, E., Paunzen, E., Arias, J. P. Sánchez, Pigulski, A., Pepper, J., Richey-Yowell, T., Safari, H., Seager, S., Smalley, B., Shutt, T., Sódor, A., Suárez, J. -C., Tkachenko, A., Wu, T., Zwintz, K., Forteza, S. Barceló, Brunsden, E., Bognár, Z., Buzasi, D. L., Chowdhury, S., De Cat, P., Evans, J. A., Guo, Z., Guzik, J. A., Jevtic, N., Lampens, P., Martiz, M. Lares, Lovekin, C., Li, G., Mirouh, G. M., Mkrtichian, D., Monteiro, M. J. P. F. G., Nemec, J. M., Ouazzani, R., Pascual-Granado, J., Reese, D. R., Rieutord, M., Rodon, J. R., Skarka, M., Sowicka, P., Stateva, I., Szabó, R., Weiss, W. W.
We present the first asteroseismic results for $\delta$ Scuti and $\gamma$ Doradus stars observed in Sectors 1 and 2 of the TESS mission. We utilise the 2-min cadence TESS data for a sample of 117 stars to classify their behaviour regarding variabili
Externí odkaz:
http://arxiv.org/abs/1909.12018
Autor:
Balona, L. A., Handler, G., Chowdhury, S., Ozuyar, D., Engelbrecht, C. A., Mirouh, G. M., Wade, G. A., David-Uraz, A., Cantiello, M.
Light curves and periodograms of 160 B stars observed by the TESS space mission and 29 main-sequence B stars from Kepler and K2 were used to classify the variability type. There are 114 main-sequence B stars in the TESS sample, of which 45 are classi
Externí odkaz:
http://arxiv.org/abs/1902.09470
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As the global magnetic field of the Sun has an activity cycle, one expects to observe some variation of the dynamical properties of the flows visible in the photosphere. We investigate the flow field during the solar cycle by analysing SDO/HMI observ
Externí odkaz:
http://arxiv.org/abs/1611.02152