PDF - 250K.pdf

s1_21_Popov.pdf
Preview of PDF - 250K
🔗 Source: astro.spbu.ru
📊 Size: 247 KB
📄 Pages: 2 pages
⬇️ Downloads: 61

Summary

The Tycho-2 catalogue of 2.5 million stars is studied, and statistical and kinematical characteristics are obtained. Unusual blue stars are revealed, and their distribution shows a tendency to concentrate in the direction of the Galactic plane. The Oort-Linblad and Ogorodnikov-Milne models are applied to calculate parameters from several samples of Tycho-2 stars. The results show that the Tycho-2 catalogue contains more distant stars than the Hipparcos catalogue, and the kinematics of these stars is consistent with the Oort-Linblad model of flat Galactic rotation.

Description

The Tycho-2 catalogue of 2.5 million stars is studied, and statistical and kinematical characteristics are obtained.

Technical Information

  • File Format: PDF
  • File Size: 247 KB
  • Pages: 2
  • Language: EN
  • Total Downloads: 61
  • Last Updated: 8 hours ago

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