Zobrazeno 1 - 10
of 96
pro vyhledávání: '"Sotnikova, N. Ya."'
We present a detailed photometric study of a sample of 22 edge-on galaxies with clearly visible X-shaped structures. We propose a novel method to derive geometrical parameters of these features, along with the parameters of their host galaxies based
Externí odkaz:
http://arxiv.org/abs/1707.04700
We study the properties of galaxies with very thin discs using a sample of 85 objects whose stellar disc radial-to-vertical scale ratio determined from photometric decomposition, exceeds nine. We present evidences of similarities between the very thi
Externí odkaz:
http://arxiv.org/abs/1612.01042
Publikováno v:
Astron. Lett., vol.41, 748-756, 2015; Pis'ma Astron.Zh., vol.41, 808-817, 2015
Based on SDSS data, we have selected a sample of nine edge-on spiral galaxies with bulges whose major axes show a high inclination to the disk plane. Such objects are called polar-bulge galaxies. They are similar in their morphology to polar-ring gal
Externí odkaz:
http://arxiv.org/abs/1511.05416
We analyze the dependence of the stellar disc flatness on the galaxy morphological type using 2D decomposition of galaxies from the reliable subsample of the Edge-on Galaxies in SDSS (EGIS) catalogue. Combining these data with the retrieved models of
Externí odkaz:
http://arxiv.org/abs/1505.03383
Autor:
Bizyaev, D. V., Kautsch, S. J., Mosenkov, A. V., Reshetnikov, V. P., Sotnikova, N. Ya., Yablokova, N. V., Hillyer, R. W.
Publikováno v:
ApJ, 2014, 787, 24
We present a catalog of true edge-on disk galaxies automatically selected from the Seventh Data Release (DR7) of the Sloan Digital Sky Survey. A visual inspection of the $g$, $r$ and $i$ images of about 15000 galaxies allowed us to split the initial
Externí odkaz:
http://arxiv.org/abs/1404.3072
We analyzed several basic correlations between structural parameters of galaxies. The data were taken from various samples in different passbands which are available in the literature. We discuss disc scaling relations as well as some debatable issue
Externí odkaz:
http://arxiv.org/abs/1403.7555
Autor:
Rodionov, S. A., Sotnikova, N. Ya.
We demonstrate that in N-body simulations of isolated disc galaxies there is numerical vertical heating which slowly increases the vertical velocity dispersion and the disc thickness. Even for models with over a million particles in a disc, this heat
Externí odkaz:
http://arxiv.org/abs/1306.5975
Publikováno v:
Astronomy Letters, 2010, Vol. 36, No. 11, pp. 808-815
The cyclic activity model of a young star with the low-mass secondary component (q = M2/M1 <= 0.1) accreting a matter from circumbinary disk is considered. It is assumed that the orbit is circular and the disk and orbital planes are non-coplanar. Set
Externí odkaz:
http://arxiv.org/abs/1110.2971
Publikováno v:
Pis'ma Astron.Zh. vol.37:730-739, 2011
We present the results of our analysis of the geometrical tidal tail characteristics for nearby and distant interacting galaxies. The sample includes more than two hundred nearby galaxies and about seven hundred distant ones. The distant galaxies hav
Externí odkaz:
http://arxiv.org/abs/1108.6155
We present a sample of edge-on spiral galaxies both of early and late types.The sample consists of 175 galaxies in the Ks-filter, 169 galaxies in the H-filter and 165 galaxies in the J-filter. Bulge and disc decompositions of each galaxy image, taken
Externí odkaz:
http://arxiv.org/abs/1012.3176