Zobrazeno 1 - 10
of 45
pro vyhledávání: '"A. N. Udovichenko"'
Autor:
S N. Udovichenko, L. E. Keir
Publikováno v:
Odessa Astronomical Publications, Vol 33, Iss 0, Pp 53-57 (2020)
The RR Lyr variable star Y Vul have been observed by using a CCD photometer during sev- eral seasons from 2011 to 2017. Nearly 5960 data points were obtained spanning over 53 nights. We found the amplitude and phase modulations with the amplitudes of
Externí odkaz:
https://doaj.org/article/1fe5876d84284db4ab8b8e0e2b6a6266
Publikováno v:
Odessa Astronomical Publications, Vol 32, Iss 0, Pp 83-86 (2019)
We investigate evolutional status of cepheid V1033 Cyg in this work, its period of light variation consists 4 d .94 and the star is a real candidate on first crossing of instability stripe (IS) (as well as α of UMi). At first crossing of instability
Externí odkaz:
https://doaj.org/article/c4a1fa3b493f496987270ab75059e187
Autor:
Natalia G. Astafieva, Denis Yu. Kobzev, Galina N. Strilets, Inna V. Gamova, Irina A. Perfilova, Ekaterina N. Udovichenko
Publikováno v:
Бюллетень сибирской медицины, Vol 16, Iss 2, Pp 71-86 (2017)
Background. The importance of psychosocial factors in the management of bronchial asthma (BA) is discussed in clinical guidelines, including in international and national clinical guidelines. However, a specific evaluation of their role as a cause of
Externí odkaz:
https://doaj.org/article/614b3666f98949598d5da004d945ce4b
Autor:
S. N. Udovichenko, E. I. Konchagina
Publikováno v:
Odessa Astronomical Publications, Vol 10, Iss 0, Pp 82-85 (2017)
The investigation of Balmer Hα and Hb line profiles for 28 Be and Be-shell stars have been carried out. The emission profiles of stars were obtained by subtracting from “A Be star atlas” photospheric line profiles which were computed from Kurucz
Externí odkaz:
https://doaj.org/article/4f065bd5fdc04fb487b6a1016208d7ba
Publikováno v:
Odessa Astronomical Publications, Vol 6, Iss 0, Pp 33-36 (2017)
The variations of the effective magnetic field strength of the magnetic stars a 2 CVn, b CrB and of the pulsating stars RR Lyr and V 474 Mon are studied on the base of the spectrograms obtained at the 6-m telescope. The variation with the phase of th
Externí odkaz:
https://doaj.org/article/4370db4e555940739291f75dbfa8f007
Autor:
S. N. Udovichenko
Publikováno v:
Odessa Astronomical Publications, Vol 18, Iss 0, Pp 123-126 (2017)
The photometric observation of δ Scuti star CC Andromedae using the 48 cm telescope with CCD photometer and the V filter of the UBV system at the Astronomical Observatory of Odessa National University have been made. The calculations of the time ser
Externí odkaz:
https://doaj.org/article/0d90a8c2306447b0a505eb87f942f9a0
Autor:
S. N. Udovichenko, L. E. Keir
Publikováno v:
Odessa Astronomical Publications, Vol 31, Iss 0, Pp 110-112 (2018)
The star RY Vul according General Catalogue of Variable Star (GCVS) is RR Lyr variable, but period and initial epoch are unknown. To determine these parameters the photometric observations during several seasons in 201 1-201 7 of the variable star RY
Externí odkaz:
https://doaj.org/article/d08fdb1e885746e69e4d82b22fd6748a
Autor:
S. N. Udovichenko, L. E. Keir
Publikováno v:
Odessa Astronomical Publications, Vol 30, Iss 0, Pp 140-142 (2017)
The photometric observations for the RR Lyr-type star AE Leo in the Astronomical station near Odessa using the 48-cm reflector AZT-3 and the CCD photometer equipped with the V filter have been carried out. The light curves shows variable amplitude
Externí odkaz:
https://doaj.org/article/11d092a0eefb4ee6861389eecd209091
Publikováno v:
Odessa Astronomical Publications, Vol 7, Iss 1, Pp 83-85 (2017)
The variations of radial velocities amplitude of V474 Mon - the Delta Set type star have been determined from spectrograms obtained at the 6-m telescope. Lines of metals are measured. The curves of radial velosities show both primary and secondary pe
Externí odkaz:
https://doaj.org/article/503c1f2314ba4e97bd7aebf856e3fbc2
Autor:
S. N. Udovichenko
Publikováno v:
Odessa Astronomical Publications, Vol 17, Iss 0, Pp 106-108 (2017)
The photometric observations of SX Phe type star XX Cyg (V=12m, A5) were made in five nights using 48 cm reflector at the Astronomical Observatory of Odessa National University. The CCD photometer and the V filter of the UBV system was used. The vari
Externí odkaz:
https://doaj.org/article/015f1f31d0c44a8bb4d16c1abbb903fa