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The age–chemical abundance structure of the Galactic disc – II. α-dichotomy and thick disc formation

Autor: Jianhui Lian, D. A. García-Hernández, José G. Fernández-Trincado, Claudia Maraston, Christian Moni Bidin, Timothy C. Beers, Alexandre Roman-Lopes, Ricardo R. Muñoz, Christian Nitschelm, Olga Zamora, Rebecca Lane, Daniel Thomas

Publikováno v: Lian, J, Thomas, D, Maraston, C, Beers, T C, Bidin, C M, Fernández-Trincado, J G, García-Hernández, D A, Lane, R R, Munoz, R R, Nitschelm, C, Roman-Lopes, A & Zamora, O 2020, ' The age-chemical abundance structure of the Galactic disc II. α-dichotomy and thick disc formation ', Monthly Notices of the Royal Astronomical Society, vol. 497, no. 2, pp. 2371-2384 . https://doi.org/10.1093/mnras/staa2078

We extend our previous work on the age-chemical abundance structure of the Galactic outer disc to the inner disc (4 < r < 8 kpc) based on the SDSS/APOGEE survey. Different from the outer disc, the inner disc stars exhibit a clear bimodal distribution

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::090aa125102cd408f8779d454a455acd
https://doi.org/10.1093/mnras/staa2078

AT2019azh: an unusually long-lived, radio-bright thermal tidal disruption event

Autor: A J Goodwin, S van Velzen, J C A Miller-Jones, A Mummery, M F Bietenholz, A Wederfoort, E Hammerstein, C Bonnerot, J Hoffmann, L Yan

Publikováno v: Goodwin, A J, van Velzen, S, Miller-Jones, J C A, Mummery, A, Bietenholz, M F, Wederfoort, A, Hammerstein, E, Bonnerot, C, Hoffmann, J & Yan, L 2022, ' AT2019azh : an unusually long-lived, radio-bright thermal tidal disruption event ', Monthly Notices of the Royal Astronomical Society, vol. 511, no. 4, pp. 5328-5345 . https://doi.org/10.1093/mnras/stac333
Monthly Notices of the Royal Astronomical Society, 511(4), 5328-5345
MNRAS

Tidal disruption events (TDEs) occur when a star is destroyed by a supermassive black hole at the center of a galaxy, temporarily increasing the accretion rate onto the black hole and producing a bright flare across the electromagnetic spectrum. Radi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4c2e8e13fd0910371ee2dd1724bc7677
http://arxiv.org/abs/2201.03744

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