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pro vyhledávání: '"atmospheres [Stars]"'
Akademický článek
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Akademický článek
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Autor:
Lagae, C., Amarsi, A. M., Díaz, L. F. Rodríguez, Lind, K., Nordlander, T., Hansen, T. T., Heger, A.
Publikováno v:
Lagae, C, Amarsi, A M, Rodríguez Díaz, L F, Lind, K, Nordlander, T, Hansen, T T & Heger, A 2023, ' Raising the observed metallicity floor with a 3D non-LTE analysis of SDSS J102915.14+172927.9 ', Astronomy and Astrophysics, vol. 672, A90 . https://doi.org/10.1051/0004-6361/202245786
Context: The first stars produced the first heavy elements and set the stage for the formation of the first galaxies. Accurate chemical abundances of ultra metal-poor stars ([Fe/H]
14 pages, 9 figures, Accepted for publication in Astronomy & Ast
14 pages, 9 figures, Accepted for publication in Astronomy & Ast
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::16b929d8c0ae9a2ad134d0c14a3b4535
http://arxiv.org/abs/2303.01374
http://arxiv.org/abs/2303.01374
Autor:
Sulis, S., Lendl, M., Cegla, H. M., Rodriguez Diaz, L. F., Bigot, L., Van Grootel, V., Bekkelien, A., Collier Cameron, A., Maxted, P. F. L., Simon, A. E., Lovis, C., Scandariato, G., Bruno, G., Nardiello, D., Bonfanti, A., Fridlund, M., Persson, C. M., Salmon, S., Sousa, S. G., Wilson, T. G., Krenn, A., Hoyer, S., Santerne, A., Ehrenreich, D., Alibert, Y., Alonso, R., Anglada Escudé, G., Bàrczy, T., Barrado y Navascués, D., Barros, S. C. C., Baumjohann, W., Beck, M., Beck, T., Benz, W., Billot, N., Bonfils, X., Borsato, L., Brandeker, A., Broeg, C., Cabrera, J., Charnoz, S., Corral Van Damme, C., Csizmadia, Sz., Davies, M. B., Deleuil, M., Deline, A., Delrez, L., Demangeon, O. D. S., Demory, B. -O., Erikson, A., Fortier, A., Fossati, L., Gandolfi, D., Gillon, M., Güdel, M., Heng, K., Isaak, K. G., Kiss, L. L., Laskar, J., Lecavelier des Etangs, A., Magrin, D., Munari, M., Nascimbeni, V., Olofsson, G., Ottensamer, R., Pagano, I., Palle, E., Peter, G., Piotto, G., Pollacco, D., Queloz, D., Ragazzoni, R., Rando, N., Rauer, H., Ribas, I., Rieder, M., Santos, N. C., Segransan, D., Smith, A. M. S., Steinberger, M., Steller, M., Szabó, Gy. M., Thomas, N., Udry, S., Walton, N. A., Wolter, D.
Publikováno v:
Astronomy & Astrophysics, 670
Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, 2023, 670, ⟨10.1051/0004-6361/202244223⟩
Sulis, S, Lendl, M, Cegla, H M, Rodríguez Díaz, L F, Bigot, L, Van Grootel, V, Bekkelien, A, Cameron, A C, Maxted, P F L, Simon, A E, Lovis, C, Scandariato, G, Bruno, G, Nardiello, D, Bonfanti, A, Fridlund, M, Persson, C M, Salmon, S, Sousa, S G, Wilson, T G, Krenn, A, Hoyer, S, Santerne, A, Ehrenreich, D, Alibert, Y, Alonso, R, Anglada, G, Bárczy, T, Barrado Y Navascues, D, Barros, S C C, Baumjohann, W, Beck, M, Beck, T, Benz, W, Billot, N, Bonfils, X, Borsato, L, Brandeker, A, Broeg, C, Cabrera, J, Charnoz, S, Corral Van Damme, C, Csizmadia, S, Davies, M B, Deleuil, M, Deline, A, Delrez, L, Demangeon, O D S, Demory, B O, Erikson, A, Fortier, A, Fossati, L, Gandolfi, D, Gillon, M, Güdel, M, Heng, K, Isaak, K G, Kiss, L L, Laskar, J, Lecavelier Des Etangs, A, Magrin, D, Munari, M, Nascimbeni, V, Olofsson, G, Ottensamer, R, Pagano, I, Pallé, E, Peter, G, Piotto, G, Pollacco, D, Queloz, D, Ragazzoni, R, Rando, N, Rauer, H, Ribas, I, Rieder, M, Santos, N C, Ségransan, D, Smith, A M S, Steinberger, M, Steller, M, Szabó, G M, Thomas, N, Udry, S, Walton, N A & Wolter, D 2023, ' Connecting photometric and spectroscopic granulation signals with CHEOPS and ESPRESSO ', Astronomy and Astrophysics, vol. 670, A24 . https://doi.org/10.1051/0004-6361/202244223
Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, 2023, 670, ⟨10.1051/0004-6361/202244223⟩
Sulis, S, Lendl, M, Cegla, H M, Rodríguez Díaz, L F, Bigot, L, Van Grootel, V, Bekkelien, A, Cameron, A C, Maxted, P F L, Simon, A E, Lovis, C, Scandariato, G, Bruno, G, Nardiello, D, Bonfanti, A, Fridlund, M, Persson, C M, Salmon, S, Sousa, S G, Wilson, T G, Krenn, A, Hoyer, S, Santerne, A, Ehrenreich, D, Alibert, Y, Alonso, R, Anglada, G, Bárczy, T, Barrado Y Navascues, D, Barros, S C C, Baumjohann, W, Beck, M, Beck, T, Benz, W, Billot, N, Bonfils, X, Borsato, L, Brandeker, A, Broeg, C, Cabrera, J, Charnoz, S, Corral Van Damme, C, Csizmadia, S, Davies, M B, Deleuil, M, Deline, A, Delrez, L, Demangeon, O D S, Demory, B O, Erikson, A, Fortier, A, Fossati, L, Gandolfi, D, Gillon, M, Güdel, M, Heng, K, Isaak, K G, Kiss, L L, Laskar, J, Lecavelier Des Etangs, A, Magrin, D, Munari, M, Nascimbeni, V, Olofsson, G, Ottensamer, R, Pagano, I, Pallé, E, Peter, G, Piotto, G, Pollacco, D, Queloz, D, Ragazzoni, R, Rando, N, Rauer, H, Ribas, I, Rieder, M, Santos, N C, Ségransan, D, Smith, A M S, Steinberger, M, Steller, M, Szabó, G M, Thomas, N, Udry, S, Walton, N A & Wolter, D 2023, ' Connecting photometric and spectroscopic granulation signals with CHEOPS and ESPRESSO ', Astronomy and Astrophysics, vol. 670, A24 . https://doi.org/10.1051/0004-6361/202244223
Context. Stellar granulation generates fluctuations in photometric and spectroscopic data whose properties depend on the stellar type, composition, and evolutionary state. Characterizing granulation is key for understanding stellar atmospheres and de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fa06384592b4140ef9abb698917ea0e6
https://hdl.handle.net/20.500.11850/591670
https://hdl.handle.net/20.500.11850/591670
The origin of magnetic fields and their role in chemical spot formation on magnetic Ap stars is currently not understood. Here we contribute to solving this problem with a detailed observational characterisation of the surface structure of 45 Her, a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e2ab2dd5ac3df65d5da8c12533dca311
Autor:
Leggett, Sandy
The presentation is an invited observational review for the Cools Stars 21 Splinter session "Brown Dwarfs Beyond a Quarter Century", which wasdedicated to the memory of Dr France Allard. Given the available time, the review includes only the topics m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0973f4785605fe8e35fc60a6a22e37ee
Autor:
G. Cescutti, P. Bonifacio, E. Caffau, L. Monaco, M. Franchini, L. Lombardo, A. M. Matas Pinto, F. Lucertini, P. François, E. Spitoni, R. Lallement, L. Sbordone, A. Mucciarelli, M. Spite, C. J. Hansen, P. Di Marcantonio, A. Kučinskas, V. Dobrovolskas, A. J. Korn, M. Valentini, L. Magrini, S. Cristallo, F. Matteucci
Publikováno v:
Cescutti, G, Bonifacio, P, Caffau, E, Monaco, L, Franchini, M, Lombardo, L, Matas Pinto, A M, Lucertini, F, François, P, Spitoni, E, Lallement, R, Sbordone, L, Mucciarelli, A, Spite, M, Hansen, C J, Di Marcantonio, P, Kučinskas, A, Dobrovolskas, V, Korn, A J, Valentini, M, Magrini, L, Cristallo, S & Matteucci, F 2022, ' MINCE : I. Presentation of the project and of the first year sample ', Astronomy and Astrophysics, vol. 668, A168 . https://doi.org/10.1051/0004-6361/202244515
Astronomy and astrophysics, Paris : EDP Sciences, 2022, vol. 668, art. no. A168, p. [1-21]
Astronomy & Astrophysics
Astronomy and astrophysics, Paris : EDP Sciences, 2022, vol. 668, art. no. A168, p. [1-21]
Astronomy & Astrophysics
In recent years, Galactic archaeology has become a particularly vibrant field of astronomy, with its main focus set on the oldest stars of our Galaxy. In most cases, these stars have been identified as the most metal-poor. However, the struggle to fi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::32b8933a331beec3f128f0cbb0c52c24
https://pure.au.dk/portal/da/publications/mince(eb466889-6050-46b7-89d0-1813502b15d8).html
https://pure.au.dk/portal/da/publications/mince(eb466889-6050-46b7-89d0-1813502b15d8).html
Autor:
De Rosa, Robert J., Rameau, Julien, Patience, Jenny, Graham, James R., Doyon, René, Lafrenière, David, Macintosh, Bruce, Pueyo, Laurent, Rajan, Abhijith, Wang, Jason J., Ward-Duong, Kimberly, Hung, Li-Wei, Maire, Jérôme, Nielsen, Eric L., Ammons, S. Mark, Bulger, Joanna, Cardwell, Andrew, Chilcote, Jeffrey K., Galvez, Ramon L., Gerard, Benjamin L., Goodsell, Stephen, Hartung, Markus, Hibon, Pascale, Ingraham, Patrick, Johnson-Groh, Mara, Kalas, Paul, Konopacky, Quinn M., Marchis, Franck, Marois, Christian, Metchev, Stanimir, Morzinski, Katie M., Oppenheimer, Rebecca, Perrin, Marshall D., Rantakyrö, Fredrik T., Savransky, Dmitry, Thomas, Sandrine
We present new H (1.51.8 mu m) photometric and K-1 (1.92.2 mu m) spectroscopic observations of the young exoplanet HD 95086 b obtained with the Gemini Planet Imager. The Hband magnitude has been significantly improved relative to previous measurement
Externí odkaz:
http://hdl.handle.net/10150/621382
http://arizona.openrepository.com/arizona/handle/10150/621382
http://arizona.openrepository.com/arizona/handle/10150/621382
Autor:
J A Toalá, D M Bowman, T Van Reeth, H Todt, K Dsilva, T Shenar, G Koenigsberger, S Estrada-Dorado, L M Oskinova, W-R Hamann
We present the analysis of the optical variability of the early, nitrogen-rich Wolf-Rayet (WR) star WR7. The analysis of multi-sector Transiting Exoplanet Survey Satellite (TESS) light curves and high-resolution spectroscopic observations confirm mul
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0781e4fc7af3438f0cc45b2b071a5bdc
https://lirias.kuleuven.be/handle/20.500.12942/700308
https://lirias.kuleuven.be/handle/20.500.12942/700308
Autor:
Rodríguez Díaz, Luisa Fernanda, Bigot, Lionel, Aguirre Børsen-Koch, Víctor, Lund, Mikkel N., Lysgaard Rørsted, Jakob, Kallinger, Thomas, Sulis, Sophia, Mary, David
Publikováno v:
Rodríguez Díaz, L F, Bigot, L, Aguirre Børsen-Koch, V, Lund, M N, Rørsted, J L, Kallinger, T, Sulis, S & Mary, D 2022, ' Scaling relations of convective granulation noise across the HR diagram from 3D stellar atmosphere models ', Monthly Notices of the Royal Astronomical Society, vol. 514, no. 2, pp. 1741-1756 . https://doi.org/10.1093/mnras/stac1467
Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, 2022, ⟨10.1093/mnras/stac1467⟩
Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, 2022, ⟨10.1093/mnras/stac1467⟩
High-precision photometric data from space missions have improved our understanding of stellar granulation. These observations have shown with precision the stochastic brightness fluctuations of stars across the HR diagram, allowing us to better unde
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ce791a7b5a8dc222892f95381c5b0de7
http://arxiv.org/abs/2205.11447
http://arxiv.org/abs/2205.11447