Výsledky vyhledávání

Chemistry and physical properties of the born-again planetary nebula HuBi 1

Autor: B Montoro-Molina, M A Guerrero, B Pérez-Díaz, J A Toalá, S Cazzoli, M M Miller Bertolami, C Morisset

Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
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The central star of the planetary nebula (PN) HuBi 1 has been recently proposed to have experienced a very late thermal pulse (VLTP), but the dilution of the emission of the recent ejecta by that of the surrounding H-rich old outer shell has so far h

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9d5ed3a4ec0749dc50420d7c16d468aa
https://doi.org/10.1093/mnras/stac336

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Shock shaping? Nebular spectroscopy of nova V906 Carinae

Autor: É J Harvey, E Aydi, L Izzo, C Morisset, M J Darnley, K Fitzgerald, P Molaro, F Murphy-Glaysher, M P Redman, M Shrestha

Publikováno v: Harvey, E J, Aydi, E, Izzo, L, Morisset, C, Darnley, M J, Fitzgerald, K, Molaro, P, Murphy-Glaysher, F, Redman, M P & Shrestha, M 2023, ' Shock shaping? Nebular spectroscopy of nova V906 Carinae ', Monthly Notices of the Royal Astronomical Society, vol. 521, no. 3, pp. 4750-4762 . https://doi.org/10.1093/mnras/stad825

V906 Carinae was one of the best observed novae of recent times. It was a prolific dust producer and harboured shocks in the early evolving ejecta outflow. Here, we take a close look at the consequences of these early interactions through study of hi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cdef636ecee52b6fcf0530abb1a9277a
https://research.thea.ie/handle/20.500.12065/4522

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Catching a grown-up starfish planetary nebula – II. Plasma analysis and central star properties of PC 22

Autor: L Sabin, V Gómez-Llanos, C Morisset, V M A Gómez-González, M A Guerrero, H Todt, X Fang

Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
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After performing the morpho-kinematic analysis of the planetary nebula (PN) PC 22, we now present its nebular and stellar analysis. The plasma investigation relies on the novel use of a Monte Carlo analysis associated with the PYNEB code for the unce

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::601533685023f120b0c0d1142afdc081
https://doi.org/10.1093/mnras/stab3649

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MUSE spectroscopy of planetary nebulae with high abundance discrepancies

Autor: J García-Rojas, C Morisset, D Jones, R Wesson, H M J Boffin, H Monteiro, R L M Corradi, P Rodríguez-Gil

Publikováno v: Monthly Notices of the Royal Astronomical Society. 510:5444-5463

We present MUSE deep integral-field unit spectroscopy of three planetary nebulae(PNe) with high abundance discrepancy factors (ADF > 20): NGC 6778, M 1-42 and Hf 2-2. We have constructed flux maps for more than 40 emission lines, and use them to buil

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::87cdf672608fe44391d1c9f832e0f2b9
https://doi.org/10.1093/mnras/stab3523

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Inferring the HII region escape fraction of ionizing photons from infrared emission lines in metal-poor star-forming dwarf galaxies

Autor: L. Ramambason, V. Lebouteiller, A. Bik, C. T. Richardson, F. Galliano, D. Schaerer, C. Morisset, F. L. Polles, S. C. Madden, M. Chevance, I. De Looze

Publikováno v: ASTRONOMY & ASTROPHYSICS
Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, 2022, ⟨10.1051/0004-6361/202243866⟩

(abridged) Quantifying the ISM porosity to ionizing photons in nearby galaxies may improve our understanding of the mechanisms leading to Lyman Continuum photons leakage from galaxies. Primitive galaxies with low metal and dust content have been show

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c821b6e5c02565036d1b061569b0f082
http://arxiv.org/abs/2207.06146

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