Zobrazeno 1 - 10
of 24
pro vyhledávání: '"R. R. Valiullin"'
Publikováno v:
Odessa Astronomical Publications, Vol 20, Iss 1, Pp 180-181 (2007)
We researched the characteristic time scales and amplitudes of the variability of Hα emission and intrinsic polarization of Be Herbig stars: VY Mon, LkHα215 and HD 259431. The change of Hα profiles as PCyg - PCygIII - single-peaked was revealed in
Externí odkaz:
https://doaj.org/article/e33d0b63a8e94bcea271ac5188617169
Autor:
E. K. Denissyuk, R. R. Valiullin, S. A. Shomoshekova, L. N. Kondratyeva, I. V. Reva, G. A. Aimanova, M. A. Krugov
Publikováno v:
Astrophysics. 65:447-455
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::70c43766463295d62080e0f015310c4c
https://doi.org/10.1007/s10511-023-09753-7
https://doi.org/10.1007/s10511-023-09753-7
Publikováno v:
Communications of the Byurakan Astrophysical Observatory. :61-67
This article provides an overview of the main research results of a large group of Seyfert galaxies, carried out at Fesenkov Astrophysical Institute (FAI) over the past 50 years. Spectral observations have been performed since 1970. At an early stage
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bfc80babb2104edfb0c609577efc71b3
https://doi.org/10.52526/25792776-2020.67.1-61
https://doi.org/10.52526/25792776-2020.67.1-61
Autor:
R. R. Valiullin, E. K. Denissyuk
Publikováno v:
PHYSICO-MATHEMATICAL SERIES. 3:153-157
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7aed71b53fa106c17525c5dac176c6d7
https://doi.org/10.32014/2019.2518-1726.34
https://doi.org/10.32014/2019.2518-1726.34
Publikováno v:
PHYSICO-MATHEMATICAL SERIES. 3:64-70
The paper presents the results of the photometric observations of the Seyfert galaxies from theMarkarian list: MRK 766, MRK 6, MRK 1040, MRK 1513. The observations were carried out on “the Eastern“ 1-meter telescope, located at the Tien-Shan Astr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e430aba3d28c60cc80d9b22ab626830a
https://doi.org/10.32014/2019.2518-1726.25
https://doi.org/10.32014/2019.2518-1726.25
Publikováno v:
Astrophysics. 62:163-176
Results of photometric observations of the Seyfert galaxies NGC 3516, NGC 5548, NGC 3227, NGC 4051, NGC 4151 and NGC 7469 made on the east 1-m telescope (Tyan-Shan Astronomical Observatory of the V. G. Fesenkov Institute of Astrophysics) are presente
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::28d2cab3e2394cb7289c40d1fb9cd8cf
https://doi.org/10.1007/s10511-019-09571-w
https://doi.org/10.1007/s10511-019-09571-w
Publikováno v:
IOP Conference Series: Earth and Environmental Science. 516:012002
The share of unconventional oil reserves is high in Russia and Volga-Ural region, including shale oil reservoirs. It contains around 65% of the total volume of hydrocarbon reserves in region, according to various data. Shale hydrocarbons are widely u
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::839c0b59db70282f90377070b0f7c61d
https://doi.org/10.1088/1755-1315/516/1/012002
https://doi.org/10.1088/1755-1315/516/1/012002
Publikováno v:
Astronomy Reports. 55:761-769
Possible orbits for the motion of a region in the gravitational field of the central body of the galaxy NGC 4151 are presented. The region is manifest through its line emission, observed in the red wing of the Hα, Pβ, and other broad lines. We carr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6fba19cb318242caa2b2d8d306e36a39
https://doi.org/10.1134/s1063772911090034
https://doi.org/10.1134/s1063772911090034
Publikováno v:
Astronomy Reports. 48:622-628
Variations in the flux and profile of the broad Hα component in the Seyfert galaxy NGC 4151 are analyzed based on spectral observations acquired from 1976 to spring 2003. The procedure used to distinguish components is described. There is a strong c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::697590e9a5dea7944664dc7520e3d121
https://doi.org/10.1134/1.1787064
https://doi.org/10.1134/1.1787064
We present the change in the Halpha emission-line profile of the spectra of some AeBe Herbig stars. In the spectrum of VY Mon, Halpha may have one of three profile types: P Cyg, P Cyg III or single line in accordance with the brightness variations of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f141d26845d5582045c6b4551c184f3e
http://arxiv.org/abs/astro-ph/0611793
http://arxiv.org/abs/astro-ph/0611793
