Zobrazeno 1 - 10
of 48
pro vyhledávání: '"C. Alig"'
Publikováno v:
The Astrophysical Journal, Vol 953, Iss 1, p 109 (2023)
The inner kiloparsec regions surrounding sub-Eddington (luminosity less than 10 ^−3 in Eddington units, L _Edd ) supermassive black holes (BHs) often show a characteristic network of dust filaments that terminate in a nuclear spiral in the central
Externí odkaz:
https://doaj.org/article/04be306ec2934401ad1945b86f2712a9
Publikováno v:
Monthly Notices of the Royal Astronomical Society. 497:3601-3622
Leo T is a gas-rich dwarf located at 414kpc $(1.4R_{\rm vir})$ distance from the Milky Way (MW) and it is currently assumed to be on its first approach. Here, we present an analysis of orbits calculated backward in time for the dwarf with our new cod
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ccc765e35034a5795dbb9698e6561c97
https://doi.org/10.1093/mnras/staa2153
https://doi.org/10.1093/mnras/staa2153
The structure of protostellar cores can often be approximated by isothermal Bonnor-Ebert spheres (BES) which are stabilized by an external pressure. For the typical pressure of $10^4k_B\,\mathrm{K\,cm^{-3}}$ to $10^5k_B\,\mathrm{K\,cm^{-3}}$ found in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4a48b65dc1ee33b3b485126e3a3810b5
Publikováno v:
Monthly Notices of the Royal Astronomical Society. 464:3536-3551
Feedback from massive stars is thought to play an important role in the evolution of molecular clouds. In this work we analyse the effects of stellar winds and supernovae (SNe) in the evolution of two massive ($\sim 10^6\,M_\odot$) giant molecular cl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::45889a6c295fbf0cf51140af070f446b
https://doi.org/10.1093/mnras/stw2607
https://doi.org/10.1093/mnras/stw2607
Akademický článek
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Publikováno v:
The Astrophysical Journal. 869:L2
We investigate the future evolution of the Smith Cloud by performing hydrodynamical simulations of the cloud impact onto the gaseous Milky Way Galactic disk. We assume a local origin for the cloud and thus do not include a dark matter component to st
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::efa397d32758c9bc5aa6b05b880c29a9
https://doi.org/10.3847/2041-8213/aaf1cb
https://doi.org/10.3847/2041-8213/aaf1cb
Publikováno v:
Geomorphology. 112:277-294
In this paper, we present a structurally controlled, deep-seated, gravitational slope deformation, located in the Fusch Valley, Eastern Alps, Austria, which is potentially endangering infrastructure. In the framework of a landslide risk analysis, a d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6d2664c0d6d1beff7eeb4a7c5eca355d
https://doi.org/10.1016/j.geomorph.2009.06.014
https://doi.org/10.1016/j.geomorph.2009.06.014
Autor:
C. Alig, Marc Schartmann, Frank Eisenhauer, Tobias K. Fritz, R. Genzel, Andreas Burkert, Alessandro Ballone, Stefan Gillessen
Publikováno v:
Proceedings of the International Astronomical Union. 9:324-326
Recently the gas and dust cloud “G2” was discovered on a highly eccentric orbit around the massive black hole in the Galactic center. The orbit will bring the cloud as close as 2400 Schwarzschild radii to Sgr A* beginning of 2014. With the help o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ec68b15b99bd381792eb6641b99c56a8
https://doi.org/10.1017/s1743921314000854
https://doi.org/10.1017/s1743921314000854
Publikováno v:
Proceedings of the International Astronomical Union. 9:185-187
We suggest a new formation mechanism for the inclined, sub-parsec scale and counterrotating stellar disks observed around the central black hole in the Milky Way Galactic center. The simulation of a single molecular cloud crashing into a circumnuclea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::39c271519cf2955106069f03ea0bf16a
https://doi.org/10.1017/s1743921314000519
https://doi.org/10.1017/s1743921314000519
Autor:
Marc Schartmann, Tobias K. Fritz, C. Alig, Reinhard Genzel, Andreas Burkert, Stefan Gillessen, A. Ballone, Frank Eisenhauer
Publikováno v:
Scopus-Elsevier
We investigate the origin and fate of the recently discovered gas cloud G2 close to the Galactic Center. Our hydrodynamical simulations focussing on the dynamical evolution of the cloud in combination with currently available observations favour two
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f4a35ceba552c04038d6b8102e6e24f