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- University of TartuEE251 papers
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4 papers · 2 filters
Features in the primordial power spectrum: constraints from the CMB and the limitation of the 2dF and SDSS redshift surveys to detect them
O. Elgaroy, M. Gramann, O. Lahav
We allow a more general (step-function) form of the primordial power spectrum than the usual featureless power-law Harrison--Zeldovich (with spectral index n=1) power spectrum, and…
Periodic variations in the colours of the classical T Tauri star RW Aur A
P. P. Petrov, J. Pelt, I. Tuominen
The classical T Tauri star RW Aur A is an irregular variable with a large amplitude in all photometric bands. In an extended series of photometric data we found small-amplitude per…
Primordial Feature at the Scale of Superclusters of Galaxies
Mirt Gramann, Gert H"utsi
We investigate a spatially-flat cold dark matter model (with the matter density parameter ) with a primordial feature in the initial power spectrum. We assume that there i…
Origin and possible birthplace of the extreme runaway star HIP 60350
P. Tenjes, J. Einasto, H. M. Maitzen +1
Using the recently determined spatial velocity components of the extreme runaway star HIP 60350 and a gravitation potential model of the Galaxy, we integrate the orbit of HIP 60350…