Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Yuri Balega"'
Autor:
Yuri Balega, Oleg Bolshakov, Aleksandr Chernikov, Aleksandra Gunbina, Valerian Edelman, Mariya Efimova, Aleksandr Eliseev, Artem Krasilnikov, Igor Lapkin, Ilya Lesnov, Mariya Mansfeld, Mariya Markina, Evgenii Pevzner, Sergey Shitov, Andrey Smirnov, Mickhail Tarasov, Nickolay Tyatushkin, Anton Vdovin, Vyacheslav Vdovin
Publikováno v:
Photonics, Vol 11, Iss 3, p 257 (2024)
The article presents a brief review of cooling systems that ensure various temperature levels (from 0.1 K to 230 K) for radio astronomical receivers of photonic and electronic (or optical and radio) devices. The features of various cooling levels and
Externí odkaz:
https://doaj.org/article/a4ff202c2d614c91a3c70727416d0db6
Autor:
Marco Scardia, Brian D. Mason, Vakhtang S. Tamazian, Bo Reipurth, Andrei Tokovinin, T. ten Brummelaar, Frédéric Arenou, Patricia Lampens, Yuri Balega, José A. Docobo
Publikováno v:
Proceedings of the International Astronomical Union. 11:388-412
This report covers the workings of Commission 26 over the triennial period 2012-2015 and is the last report of the Commission. Included are reports from Working Groups and the Commission 26 Circular; all of which will be continuing in Commission G1 (
Autor:
D. A. Rastegaev, V. Dyachenko, A. F. Maksimov, I. I. Romanyuk, Yuri Balega, E.V. Malogolovets
Publikováno v:
Astronomische Nachrichten. 332:978-982
We report the results of speckle interferometric observations of 117 Ap/Bp stars made with the 6-m telescope of the Special Astrophysical Observatory of the Russian Academy of Sciences in December 2009. We resolved 27 binary and 2 triple stars into i
Publikováno v:
The Astronomical Journal. 140:1078-1083
Results of the EMCCD-based speckle interferometric observations and differential photometry for 46 visual binaries obtained in 2007 June and July with the 6 m telescope of the Special Astrophysical Observatory (Russia) are presented. First preliminar
Autor:
José A. Docobo, Yuri Balega, Vakhtang S. Tamazian, N. D. Melikian, Alexander F. Maximov, Evgeny V. Malogolovets
Publikováno v:
The Astronomical Journal. 136:974-979
New speckle measurements with the 6 m telescope of the Special Astrophysical Observatory (Russia) and the first preliminary orbit of the nearby flare star CR Dra (=Gl 616.2; WDS 16171+5516; BLA 3) with a period of 4.04 yr and a semimajor axis of 0148
Autor:
M. Palacios, Manuel Andrade, Dieter Schertl, P. P. Campo, Gerd Weigelt, Yuri Balega, José A. Docobo, Vakhtang S. Tamazian
Publikováno v:
Astronomy & Astrophysics. 478:187-191
Aims. The main aim of this study is the elaboration of a methodology for studying physical and dynamical properties of multiple stars and its application to the hierarchical triple system Gl 22. A careful evaluation of the components' masses and a st
Autor:
A. F. Maximov, J.R. González–Romay, Manuel Andrade, Josefina Ling, Yuri Balega, J. F. Lahulla, Vakhtang S. Tamazian, José A. Docobo
Publikováno v:
Proceedings of the International Astronomical Union. 2:490-495
The first results of speckle interferometry carried out with the 3.5-m telescope of the C.A.H.A. (Almería, Spain) during a run in July, 2005 are presented. Forty nine stars with separations between 0″058 and 2″1 were observed under good seeing c
Publikováno v:
The Astronomical Journal. 132:994-998
Results of speckle measurements and differential photometry carried out with the 6 m telescope of the Special Astrophysical Observatory (Russia) at the end of 2004 are presented. One new (COU 1569) and four improved orbits (ADS 440AC, ADS 1729, ADS 5
Autor:
Thomas Driebe, Karl-Heinz Hofmann, A. B. Men'shchikov, M. Berger, V. I. Shenavrin, Dieter Schertl, Yuri Balega, G. Weigelt, A. F. Maximov
Publikováno v:
Astronomy & Astrophysics. 448:271-281
We present the near-infrared speckle interferometry for LP And in the H and $K^{\prime}$ bands with diffraction-limited resolutions of 56 and 72 mas, new $\it JHKLM$ photometry, and the results of our radiative transfer modelling of this carbon star.
Publikováno v:
The Astronomical Journal. 130:2847-2851
On the basis of new speckle measurements with the 6 m telescope of the Special Astrophysical Observatory (Russia) and Hipparcos astrometry, an improved orbital solution with a period of P = 24.1 yr for the visual binary WOR 2 is obtained. The dynamic