Zobrazeno 1 - 10
of 45
pro vyhledávání: '"E. A. Koptelova"'
Publikováno v:
Odessa Astronomical Publications, Vol 21, Iss 0, Pp 79-80 (2008)
We combine all published and new unpublished yet NIR (near infrared) photometrical observations of NGC 4151 which can be used for determination of time delays between optical and NIR variations. In previous study we have found that the values of time
Externí odkaz:
https://doaj.org/article/688c98b0c758468b9193d51a81b35ae1
Autor:
D. V. Kurmenev, E. K. Koptelova, V. P. Kasilov, N. D. Lukin, L. G. Kuzmina, P. M. Maslov, S. R. Ganiev, O. N. Kislogubova
Publikováno v:
Spravochnik. Inzhenernyi zhurnal. :24-27
Autor:
A. Ullán, Vyacheslav N. Shalyapin, A. P. Zheleznyak, E. A. Koptelova, Luis J. Goicoechea, R. Gil-Merino
Publikováno v:
New Astronomy. 13:182-193
To go into the details about the variability of the double quasar SBS 0909+532, we designed a monitoring programme with the 2 m Liverpool Robotic Telescope in the r Sloan filter, spanning 1.5 years from 2005 January to 2006 June. The r-band light cur
Autor:
O. V. Ezhkova, E. V. Shimanovskaya, B. P. Artamonov, E. A. Koptelova, V. V. Bruevich, Alexander S. Gusev
Publikováno v:
Astronomy Reports. 51:797-807
The results of V RI photometry of the gravitationally lensed system Q2237+0305 carried out on the 1.5-m telescope of the Maidanak Observatory in 2004–2005 are presented. The method used to reduce the observational data is described in detail. An an
Publikováno v:
Astronomy & Astrophysics. 452:37-46
Aims. We considered the possibility of measuring time delays between components of the multiplied quasar QSO2237+0305 and between V and R band variations. Methods. The analysis is based on the flux variations of four components observed by the OGLE c
Publikováno v:
Astronomy Reports. 48:826-833
A two-stage algorithm for reconstructing images made up of point sources is proposed and applied to images of the gravitational lens QSO 2237+0305 obtained with the 1.5-m telescope of the Ma $$\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smil
Publikováno v:
Optimization and Regularization for Computational Inverse Problems and Applications ISBN: 9783642137419
The gravitational lensing phenomenon can provide us with the information about luminous and dark matter in our Universe. But robust and effective tools are needed to extract that valuable information from observations. In this chapter, two inverse pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bdab3cbbbcbf26c0a28e86cd94f514e2
https://doi.org/10.1007/978-3-642-13742-6_14
https://doi.org/10.1007/978-3-642-13742-6_14
Publikováno v:
Bulletin of Experimental Biology and Medicine. 59:74-77
The results of studying the antigenic structure of the streptococci L-forms and their revertants indicate that the antigenic component of the C-polysaccharide group (Lancefield) is largely lost during the process of L-transformation, this being due t
Publikováno v:
Bulletin of Experimental Biology and Medicine. 74:819-821
Publikováno v:
Meditsinskaia parazitologiia i parazitarnye bolezni. (6)