Zobrazeno 1 - 10
of 2 287
pro vyhledávání: '"Klochkova A"'
Publikováno v:
Astronomy Reports, vol 67, No 12, p 1381-1393 (2023)
High resolution optical spectra (R = 60 000) of the LBV star P Cyg beyond outburst were obtained on the 6-meter BTA telescope in the wavelength range 477-780 nm. We perform a detailed identification of different types lines (photospheric absorptions,
Externí odkaz:
http://arxiv.org/abs/2402.09061
Publikováno v:
Journal of the Serbian Chemical Society, Vol 85, Iss 1, Pp 89-96 (2020)
The novel cloud point extraction procedure for preconcentration of copper(II) was discovered. A simple chemical method for initiating the cloud point extraction (CPE) has been proposed. The formation of surfactant rich phase in a system containing a
Externí odkaz:
https://doaj.org/article/c69886e4e3574a8ea71be3ba6bbd89d5
Autor:
Lutostansky, Yu. S., Fazliakhmetov, A. N., Koroteev, G. A., Tikhonov, V. N., Lutostansky, A. Yu., Klochkova, N. V., Osipenko, A. P., Belogortseva, N. A., Zemskov, E. Yu.
The process of neutrino interaction with $^{98}$Mo and $^{100}$Mo isotopes is studied taking into consideration the effect of charge-exchange resonances. The experimental data on the strength functions $S(E)$ obtained in charge-exchange reactions $(p
Externí odkaz:
http://arxiv.org/abs/2303.17752
High-resolution spectra of the LBV candidate Schulte 12 in the Cyg OB2 association were obtained at the 6-meter BTA telescope with the NES echelle spectrograph on the arbitrary dates in 2001-2022. Variability of the emission profile of H$\alpha$ and
Externí odkaz:
http://arxiv.org/abs/2301.08916
Autor:
Klochkova, V. G., Panchuk, V. E.
In the optical spectra of the cold post-AGB supergiant GSC 04050$-$02366, obtained with the 6-meter BTA telescope with a spectral resolution of R$\ge$60000 on arbitrary dates over 2019$\div$2021, a radial velocity variability is found. Heliocentric V
Externí odkaz:
http://arxiv.org/abs/2207.09741
Autor:
Klochkova, V. G., Miroshnichenko, A. S., Panchuk, V. E., Tavolzhanskaya, N. S., Yushkin, M. V.
The optical spectra of the B-supergiant LS III+52 24 (IRAS 22023+5249) obtained at the 6-meter telescope BTA with a resolution R$\ge$60000 in 2010-2021 revealed signs of wind variability and velocity stratification in the extended atmosphere. The H$\
Externí odkaz:
http://arxiv.org/abs/2205.03030
Publikováno v:
Tekhnologiya i Konstruirovanie v Elektronnoi Apparature, Iss 3, Pp 3-6 (2008)
Principles of construction and technology of creation of matrix photodetecting devices of ultra-violet radiation on the basis of natural diamond are considered. Measurements of spectral, volt-ampere characteristics, of dark current and leakage curren
Externí odkaz:
https://doaj.org/article/aa1a6d55ea084173a40fd0695b39f55c
Autor:
Alena Klochkova, Adam L. Karami, Annie D. Fuller, Louis R. Parham, Surali R. Panchani, Shruthi Natarajan, Jazmyne L. Jackson, Anbin Mu, Yinfei Tan, Kathy Q. Cai, Andres J. Klein-Szanto, Amanda B. Muir, Marie-Pier Tétreault, Xavier Graña, Kathryn E. Hamilton, Kelly A. Whelan
Publikováno v:
Cellular and Molecular Gastroenterology and Hepatology, Vol 18, Iss 1, Pp 15-40 (2024)
Background & Aims: Autophagy plays roles in esophageal pathologies both benign and malignant. Here, we aim to define the role of autophagy in esophageal epithelial homeostasis. Methods: We generated tamoxifen-inducible, squamous epithelial-specific A
Externí odkaz:
https://doaj.org/article/10798208ac324620b1299c8ac2877db4
Over the past two decades the echelle spectrograph NES of the 6-m telescope was used to perform high resolution spectroscopy of far evolved stars spanning a wide range of initial masses. The studies cover a diversity of stars with high mass-loss rate
Externí odkaz:
http://arxiv.org/abs/2201.12024
We briefly present the history of technical solutions aimed at improving the efficiency of spectroscopy on small- and moderate-diameter telescopes. We assess the current state of spectroscopy techniques and some of the perspectives.
Comment: 36
Comment: 36
Externí odkaz:
http://arxiv.org/abs/2105.12492