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Autor:
T. Lunttila, Sarolta Zahorecz, O. Fehér, J. Montillaud, I. Ristorcelli, L. V. Toth, Mika Juvela
Publikováno v:
Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, EDP Sciences, 2017, 606, ⟨10.1051/0004-6361/201629866⟩
Astronomy and Astrophysics-A&A, EDP Sciences, 2017, 606, ⟨10.1051/0004-6361/201629866⟩
The physical state of cold cloud clumps has a great impact on the process and efficiency of star formation and the masses of the forming stars inside these objects. The sub-millimetre survey of the Planck space observatory and the far-infrared follow
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3034d80e1672020e1850b9664f968b88
https://hal.archives-ouvertes.fr/hal-01716260
https://hal.archives-ouvertes.fr/hal-01716260
Autor:
Mika Juvela, Peter Camps, Karl D. Gordon, Maarten Baes, J. Steinacker, Giovanni Natale, T. Lunttila, Simone Bianchi, Rolf Kuiper, Thomas P. Robitaille, Karl Misselt
Publikováno v:
ASTRONOMY & ASTROPHYSICS
The radiative transport of photons through arbitrary three-dimensional (3D) structures of dust is a challenging problem due to the anisotropic scattering of dust grains and strong coupling between different spatial regions. The radiative transfer pro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::65acdc555f2e40da2fce5481f21f206b
https://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&origin=inward&scp=85025109824
https://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&origin=inward&scp=85025109824
Autor:
Karl D. Gordon, Peter Camps, T. Lunttila, Rolf Kuiper, Mika Juvela, Maarten Baes, Simone Bianchi
Publikováno v:
ASTRONOMY & ASTROPHYSICS
Biasing or importance sampling is a powerful technique in Monte Carlo radiative transfer, and can be applied in different forms to increase the accuracy and efficiency of simulations. One of the drawbacks of the use of biasing is the potential introd
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c725f466ab7ae7b7de5e0882957b8674
http://arxiv.org/abs/1603.07945
http://arxiv.org/abs/1603.07945
Autor:
Åke Nordlund, Mika Juvela, Paolo Padoan, David C. Collins, T. Lunttila, Sergey D. Ustyugov, Alexei G. Kritsuk, Michael Normal
Publikováno v:
Proceedings of the International Astronomical Union. 6:187-196
Supersonic magneto-hydrodynamic (MHD) turbulence in molecular clouds (MCs) plays an important role in the process of star formation. The effect of the turbulence on the cloud fragmentation process depends on the magnetic field strength. In this work
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::84c93bab1c705c39f0a5ac9efcc5307e
https://doi.org/10.1017/s1743921311017601
https://doi.org/10.1017/s1743921311017601
Autor:
Mika Juvela, T. Lunttila
Publikováno v:
Astronomy & Astrophysics. 470:259-268
Aims. We determine the dominant dust grain size and dust density distribution in the outer envelope of the high mass-loss carbon star IRC +10 216 and estimate the interstellar radiation field (ISRF) intensity and colours near IRC +10 216. Methods. We
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e8d826f9323e7d0f6ffa732bd3cefc77
https://doi.org/10.1051/0004-6361:20077406
https://doi.org/10.1051/0004-6361:20077406
Sub-millimetre dust emission is often used to derive the column density N of dense interstellar clouds. The observations consist of data at several wavelengths but of variable resolution. We examine two procedures that been proposed for the estimatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::72c6e7723c0687ef9027227f832743c4
http://arxiv.org/abs/1305.2129
http://arxiv.org/abs/1305.2129
We present a set of hydro-dynamical numerical simulations of the Antennae galaxies in order to understand the origin of the central overlap starburst. Our dynamical model provides a good match to the observed nuclear and overlap star formation, espec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::11b002bb4fb73d1da80e74294672c75c
http://arxiv.org/abs/1305.0828
http://arxiv.org/abs/1305.0828
Sub-millimetre dust emission provides information on the physics of interstellar clouds and dust. Noise can produce anticorrelation between the colour temperature T_C and the spectral index beta. This must be separated from the intrinsic beta(T) rela
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a00a9dc53d8c8d3e13864f41e3036df1
Publikováno v:
Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, EDP Sciences, 2012, 538, pp.A133. ⟨10.1051/0004-6361/201118257⟩
Astronomy and Astrophysics-A&A, EDP Sciences, 2012, 538, pp.A133. ⟨10.1051/0004-6361/201118257⟩
The temperature is a central parameter affecting the chemical and physical properties of dense cores of interstellar clouds and their evolution to star formation. The chemistry and the dust properties are temperature dependent and the interpretation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::127ad1c0355b5e2a352c251960fc7a85
http://arxiv.org/abs/1201.3062
http://arxiv.org/abs/1201.3062