Zobrazeno 1 - 10
of 957
pro vyhledávání: '"Muñoz, Á. G."'
Autor:
Munoz-Sanchez, G., Kalitsounaki, M., de Wit, S., Antoniadis, K., Bonanos, A. Z., Zapartas, E., Boutsia, K., Christodoulou, E., Maravelias, G., Soszynski, I., Udalski, A.
Red Supergiants (RSGs) are cool, evolved massive stars in their final evolutionary stage before exploding as a supernova. However, the evolution and fate of the most luminous RSGs is uncertain. Observational evidence for luminous warm, post-RSG objec
Externí odkaz:
http://arxiv.org/abs/2411.19329
Autor:
Zapartas, E., de Wit, S., Antoniadis, K., Muñoz-Sanchez, G., Souropanis, D., Bonanos, A. Z., Maravelias, G., Kovlakas, K., Kruckow, M. U., Fragos, T., Andrews, J. J., Bavera, S. S., Briel, M., Gossage, S., Kasdagli, E., Rocha, K. A., Sun, M., Srivastava, P. M., Xing, Z.
The rate and mechanism of mass loss of red supergiants (RSGs) remain poorly understood, especially at low metallicities. Motivated by the new empirical prescription by Yang et al. 2023, based on the largest and most complete sample in the Small Magel
Externí odkaz:
http://arxiv.org/abs/2410.07335
Autor:
Munoz-Sanchez, G., de Wit, S., Bonanos, A. Z., Antoniadis, K., Boutsia, K., Boumis, P., Christodoulou, E., Kalitsounaki, M., Udalski, A.
Publikováno v:
A&A 690, A99 (2024)
This study delves into [W60] B90, one of the most luminous and extreme Red Supergiants (RSGs) in the Large Magellanic Cloud (LMC), aiming to search for evidence of episodic mass loss. Our discovery of a bar-like nebular structure at 1 pc, reminiscent
Externí odkaz:
http://arxiv.org/abs/2405.11019
Autor:
de Wit, S., Bonanos, A. Z., Antoniadis, K., Zapartas, E., Ruiz, A., Britavskiy, N., Christodoulou, E., De, K., Maravelias, G., Munoz-Sanchez, G., Tsopela, A.
Publikováno v:
A&A 689, A46 (2024)
Mass loss during the red supergiant (RSG) phase plays a crucial role in the evolution of an intermediate massive star, however, the underlying mechanism remains unknown. We aim to increase the sample of well-characterized RSGs at subsolar metallicity
Externí odkaz:
http://arxiv.org/abs/2402.12442
Publikováno v:
A&A 686, A88 (2024)
The high mass-loss rates of red supergiants (RSGs) drastically affect their evolution and final fate, but their mass-loss mechanism remains poorly understood. Various empirical prescriptions scaled with luminosity have been derived in the literature,
Externí odkaz:
http://arxiv.org/abs/2401.15163
Autor:
De Mendoza, Adriana M., Michlíková, Soňa, Lange, Steffen, Castro, Paula S., Muñoz, Anni G., Eckhardt, Lisa, Kunz-Schughart, Leoni A.
Mathematical modeling can offer valuable insights into the behavior of biological systems upon treatment. Different mathematical models (empirical, semi-empirical, and mechanistic) have been designed to predict the efficacy of either hyperthermia (HT
Externí odkaz:
http://arxiv.org/abs/2401.07941
Autor:
Nakabe, R., Auton, C. J., Endo, S., Fujioka, H., Gudkov, V., Hirota, K., Ide, I., Ino, T., Ishikado, M., Kambara, W., Kawamura, S., Kimura, A., Kitaguchi, M., Kobayashi, R., Okamura, T., Oku, T., Okudaira, T., Okuizumi, M., Munoz, J. G. Otero, Parker, J. D., Sakai, K., Shima, T., Shimizu, H. M., Shinohara, T., Snow, W. M., Takada, S., Takahashi, R., Takahashi, S., Tsuchikawa, Y., Yoshioka, T.
Neutron transmission experiments can offer a new type of highly sensitive search for time-reversal invariance violating (TRIV) effects in nucleon-nucleon interactions via the same enhancement mechanism observed for large parity violating (PV) effects
Externí odkaz:
http://arxiv.org/abs/2312.06115
Autor:
Bonanos, A. Z., Tramper, F., de Wit, S., Christodoulou, E., Munoz-Sanchez, G., Antoniadis, K., Athanasiou, S., Maravelias, G., Yang, M., Zapartas, E.
Publikováno v:
A&A 686, A77 (2024)
The ASSESS project aims to determine the role of episodic mass-loss in the evolution of massive stars. As a first step, we construct a catalog of spectroscopically identified dusty, evolved massive stars in ten southern galaxies for which Spitzer poi
Externí odkaz:
http://arxiv.org/abs/2312.04626
Autor:
Okudaira, T., Nakabe, R., Endo, S., Fujioka, H., Gudkov, V., Ide, I., Ino, T., Ishikado, M., Kambara, W., Kawamura, S., Kobayashi, R., Kitaguchi, M., Okamura, T., Oku, T., Munoz, J. G. Otero, Parker, J. D., Sakai, K., Shima, T., Shimizu, H. M., Shinohara, T., Snow, W. M., Takada, S., Tsuchikawa, Y., Takahashi, R., Takahashi, S., Yoshikawa, H., Yoshioka, T.
We measured the spin dependence in a neutron-induced $p$-wave resonance by using a polarized epithermal neutron beam and a polarized nuclear target. Our study focuses on the 0.75~eV $p$-wave resonance state of $^{139}$La+$n$, where largely enhanced p
Externí odkaz:
http://arxiv.org/abs/2309.08905
Autor:
Bonanos, A. Z., Maravelias, G., Yang, M., Tramper, F., de Wit, S., Zapartas, E., Antoniadis, K., Christodoulou, E., Munoz-Sanchez, G.
Episodic mass loss is not understood theoretically, neither accounted for in state-of-the-art models of stellar evolution, which has far-reaching consequences for many areas of astronomy. We introduce the ERC-funded ASSESS project (2018-2024), which
Externí odkaz:
http://arxiv.org/abs/2308.04891