Chemical Composition Of Bright Stars In The Northern Hemisphere: Star-Planet Connection

Autor: Tautvaišienė, G., Mikolaitis, Š., Drazdauskas, A., Stonkutė, E., Minkevičiūtė, R., Pakštienė, E., Kjeldsen, H., Brogaard, K., Chorniy, Y., von Essen, C., Grundahl, F., Ambrosch, M., Bagdonas, V., Sharma, A., Vázquez, C. Viscasillas

In fulfilling the aims of the planetary and asteroseismic research missions, such as that of the NASA Transiting Exoplanet Survey Satellite (TESS) space telescope, accurate stellar atmospheric parameters and a detailed chemical composition are requir

Externí odkaz: http://arxiv.org/abs/2202.10102

The Gaia-ESO survey: Calibrating a relationship between Age and the [C/N] abundance ratio with open clusters

Autor: Casali, G., Magrini, L., Tognelli, E., Jackson, R., Jeffries, R. D., Lagarde, N., Tautvaisiene, G., Masseron, T., Degl'Innocenti, S., Moroni, P. G. Prada, Kordopatis, G., Pancino, E., Randich, S., Feltzing, S., Sahlholdt, C., Spina, L., Friel, E., Roccatagliata, V., Sanna, N., Bragaglia, A., Drazdauskas, A., Mikolaitis, S., Minkeviciute, R., Stonkute, E., Chorniy, Y., Bagdonas, V., Jimenez-Esteban, F., Martell, S., Van der Swaelmen, M., Gilmore, G., Vallenari, A., Bensby, T., Koposov, S. E., Korn, A., Worley, C., Smiljanic, R., Bergemann, M., Carraro, G., Damiani, F., Prisinzano, L., Bonito, R., Franciosini, E., Gonneau, A., Hourihane, A., Jofre, P., Lewis, J., Morbidelli, L., Sacco, G., Sousa, S. G., Zaggia, S., Lanzafame, A. C., Heiter, U., Frasca, A., Bayo, A.

Publikováno v: A&A 629, A62 (2019)

In the era of large high-resolution spectroscopic surveys, high-quality spectra can contribute to our understanding of the Galactic chemical evolution, providing chemical abundances belonging to the different nucleosynthesis channels, and also provid

Externí odkaz: http://arxiv.org/abs/1907.07350

The Gaia-ESO survey: impact of extra-mixing on C- and N-abundances of giant stars

Autor: Lagarde, N., Reylé, C., Robin, A. C., Tautvaišienė, G., Drazdauskas, A., Mikolaitis, Š., Minkevičiūtė, R., Stonkutė, E., Chorniy, Y., Bagdonas, V., Miglio, A., Nasello, G., Gilmore, G., Randich, S., Bensby, T., Bragaglia, A., Flaccomio, E., Francois, P., Korn, A. J., Pancino, E., Smiljanic, R., Bayo, A., Carraro, G., Costado, M. T., Jiménez-Esteban, F., Jofré, P., Martell, S. L., Masseron, T., Monaco, L., Morbidelli, L., Sbordone, L., Sousa, S. G., Zaggia, S.

Publikováno v: A&A 621, A24 (2019)

The GES survey using FLAMES at the VLT has obtained high-resolution UVES spectra for a large number of giant stars, allowing a determination of the abundances of the key chemical elements C and N at their surface. The surface abundances of these chem

Externí odkaz: http://arxiv.org/abs/1806.01868

The Gaia-ESO Survey: Revisiting the Li-rich giant problem

Autor: Casey, A. R., Ruchti, G., Masseron, T., Randich, S., Gilmore, G., Lind, K., Kennedy, G. M., Koposov, S. E., Hourihane, A., Franciosini, E., Lewis, J. R., Magrini, L., Morbidelli, L., Sacco, G. G., Worley, C. C., Feltzing, S., Jeffries, R. D., Vallenari, A., Bensby, T., Bragaglia, A., Flaccomio, E., Francois, P., Korn, A. J., Lanzafame, A., Pancino, E., Recio-Blanco, A., Smiljanic, R., Carraro, G., Costado, M. T., Damiani, F., Donati, P., Frasca, A., Jofré, P., Lardo, C., de Laverny, P., Monaco, L., Prisinzano, L., Sbordone, L., Sousa, S. G., Tautvaišienė, G., Zaggia, S., Zwitter, T., Mena, E. Delgado, Chorniy, Y., Martell, S. L., Aguirre, V. Silva, Miglio, A., Chiappini, C., Montalban, J., Morel, T., Valentini, M.

The discovery of lithium-rich giants contradicts expectations from canonical stellar evolution. Here we report on the serendipitous discovery of 20 Li-rich giants observed during the Gaia-ESO Survey, which includes the first nine Li-rich giant stars

Externí odkaz: http://arxiv.org/abs/1603.03038

Gaia-ESO Survey: The analysis of high-resolution UVES spectra of FGK-type stars

Autor: Smiljanic, R., Korn, A. J., Bergemann, M., Frasca, A., Magrini, L., Masseron, T., Pancino, E., Ruchti, G., Roman, I. San, Sbordone, L., Sousa, S. G., Tabernero, H., Tautvaisiene, G., Valentini, M., Weber, M., Worley, C. C., Adibekyan, V. Zh., Prieto, C. Allende, Barisevicius, G., Biazzo, K., Blanco-Cuaresma, S., Bonifacio, P., Bragaglia, A., Caffau, E., Cantat-Gaudin, T., Chorniy, Y., de Laverny, P., Delgado-Mena, E., Donati, P., Duffau, S., Franciosini, E., Friel, E., Geisler, D., Hernandez, J. I. Gonzalez, Gruyters, P., Guiglion, G., Hansen, C. J., Heiter, U., Hill, V., Jacobson, H. R., Jofre, P., Jonsson, H., Lanzafame, A. C., Lardo, C., Ludwig, H. G., Maiorca, E., Mikolaitis, S., Montes, D., Morel, T., Mucciarelli, A., Munoz, C., Nordlander, T., Pasquini, L., Puzeras, E., Recio-Blanco, A., Ryde, N., Sacco, G., Santos, N. C., Serenelli, A. M., Sordo, R., Soubiran, C., Spina, L., Steffen, M., Vallenari, A., Van Eck, S., Villanova, S., Gilmore, G., Randich, S., Asplund, M., Binney, J., Drew, J., Feltzing, S., Ferguson, A., Jeffries, R., Micela, G., Negueruela, I., Prusti, T., Rix, H-W., Alfaro, E., Babusiaux, C., Bensby, T., Blomme, R., Flaccomio, E., Francois, P., Irwin, M., Koposov, S., Walton, N., Bayo, A., Carraro, G., Costado, M. T., Damiani, F., Edvardsson, B., Hourihane, A., Jackson, R., Lewis, J., Lind, K., Marconi, G., Martayan, C., Monaco, L., Morbidelli, L., Prisinzano, L., Zaggia, S.

Publikováno v: A&A 570, A122 (2014)

The Gaia-ESO Survey is obtaining high-quality spectroscopic data for about 10^5 stars using FLAMES at the VLT. UVES high-resolution spectra are being collected for about 5000 FGK-type stars. These UVES spectra are analyzed in parallel by several stat

Externí odkaz: http://arxiv.org/abs/1409.0568