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Solar stellar and substellar environment. I. Location in the galaxy and catalogues
Zakhozhay, V. A.; Babenko, M. O.
Structure of the solar neighborhoods (ten parsecs space, Local stellar system and the Gould Belt), their place in the Galaxy and the distance from its center are analyzed. For the region within 10 pc from the Sun, except the stellar component, the contents of extrasolar planets and protoplanetary disks are presented. The catalogues of closest to S…
Space missions to the nuclei of comets - the key to understanding the cosmogony of the Solar system
Churyumov, K. I.
Some results obtained by space missions to the nuclei of some periodic comets, namely the mission "Ice", "Vega-1" and "Vega-2", "Suisei", "Sakigake", "Giotto", "Deep Space", "Stardust", "Deep Impact", "Epoxy", "Next" and the program and the scientific results of the mission "Rosetta" in the eight years of its flight to the nucleus of the comet 67P…
X-Ray spectra of AGN's with strong emission lines
Tugay, A. V.; Vasylenko, A. A.; Zaetc, T. A.
Using XMM-Newton archive we obtained X-ray spectra for 12 AGN's with strong optical emission lines. Models of our spectra corresponds to Seyfert galaxies. We conclude that for Seyfert galaxies power-law spectral index in 2-12 keV band is less than 1.9 and minimal X-ray flux exceeds 1% of optical flux in u-band.