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- Tartu ObservatoryEE58 papers
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5 papers · 1 filter
An integrative approach based on probabilistic modelling and statistical inference for morpho-statistical characterization of astronomical data
R. S. Stoica, S. Liu, L. J. Liivamägi +7
This paper describes several applications in astronomy and cosmology that are addressed using probabilistic modelling and statistical inference.
Unusual A2142 supercluster with a collapsing core: distribution of light and mass
Maret Einasto, Mirt Gramann, Enn Saar +6
We study the distribution, masses, and dynamical properties of galaxy groups in the A2142 supercluster. We analyse the global luminosity density distribution in the supercluster an…
Joint constraints on galaxy bias and through the N-pdf of the galaxy number density
Pablo Arnalte-Mur, Patricio Vielva, Vicent J. Martínez +3
We present a full description of the N-probability density function of the galaxy number density fluctuations. This N-pdf is given in terms, on the one hand, of the cold dark matte…
Shell-like structures in our cosmic neighbourhood
M. Einasto, P. Heinämäki, L. J. Liivamägi +6
Signatures of the processes in the early Universe are imprinted in the cosmic web. Some of them may define shell-like structures characterised by typical scales. We search for shel…
Characteristic density contrasts in the evolution of superclusters. The case of A2142 supercluster
Mirt Gramann, Maret Einasto, Pekka Heinämäki +4
The formation and evolution of the cosmic web in which galaxy superclusters are the largest relatively isolated objects is governed by a gravitational attraction of dark matter and…