Search Results - "SHENAVRIN, V. I"
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Search for and study of hot circumstellar dust envelopes
Published in Astronomy reports (2011)“…Long-term (1984–2008) JHKLM photometry for 254 objects is presented. The observations were carried out in the standard JHKLM photometric system using an…”
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2
Correlation of near-infrared and optical variability of NGC 4151 in 2008–2013
Published in Astronomy letters (01-09-2014)“…We investigate the correlation between infrared ( JHKL ) and optical ( B ) fluxes of the variable nucleus of the Seyfert galaxy NGC4151 using partially…”
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3
Infrared variability of three hot stars on a time scale of 10–20 years
Published in Astronomy letters (01-03-2015)“…Long-term (1994–2014) near-infrared observations of P Cyg, kDra, and BUTau are analyzed. It is shown that the observed brightness and color variations in P Cyg…”
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Photometric activity of UX Ori stars and related objects in the near infrared and visual. BF Ori, CQ Tau, WW Vul, and SV Cep
Published in Astronomy reports (01-05-2012)“…We have analyzed the activity of four UX Ori stars in the near-IR ( JHKL ) and visual ( V ) using the results of long-term photometric observations. For…”
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5
FG SGE: Evolution of the circumstellar dust shell (JHKLM Photometry in 1985–2013)
Published in Astronomy letters (01-11-2013)“…Long-term (1985–2013) JHKLM photometry for FG Sge is analyzed. Parameters of the supergiant and optical properties of the dust in the dust shell (DS) have been…”
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Photometric and spectroscopic study of the supergiant with an infrared excess V1027 Cygni
Published in Astronomy letters (01-11-2016)“…We present the results of our UBV and JHKLM photometry for the semiregular pulsating variable V1027 Cyg, a supergiant with an infrared excess, over the period…”
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7
Symbiotic nova V1016 Cygni: Evolution of the dust envelope and the gaseous nebula
Published in Astronomy letters (01-11-2015)“…As a result of the next cycle of our long-term monitoring, we present our UBV JHKLM photometry for the symbiotic nova V1016 Cyg in 2008–2014. The star…”
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Infrared photometry of Nova Delphini 2013 (=V339 Del) in the first sixty days after its outburst
Published in Astronomy letters (01-02-2014)“…The results of JHKLM photometry for Nova Delphini 2013 obtained in the first sixty days after its outburst are analyzed. Analysis of the energy distribution in…”
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9
Activity of the Seyfert galaxy NGC 4151 in the near-IR in 1994–2011
Published in Astronomy reports (01-02-2013)“…We present the results of our infrared J H K L photometry of the Seyfert galaxy NGC 4151 during its active period in 1995–2011. The variable IR source was…”
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10
Recurrent Symbiotic Nova V407 Cygni: Before and after Outburst in 2010
Published in Open astronomy (01-01-2015)“…We present the results of our UBV JHKLM photometric and spectroscopic observations of V407 Cyg obtained in 2003–2015. No fast brightness variations of V407 Cyg…”
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Photometric activity of UX orionis stars and related objects in the near infrared and optical: CO Ori, RR Tau, UX Ori, and VV Ser
Published in Astronomy reports (01-08-2016)“…This paper continues a study of the photometric activity of UX Ori stars in the optical and near-infrared ( JHKLM bands) initiated in 2000. For comparison, the…”
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12
IR photometry and models for the dust shells of two oxygen Mira variables
Published in Astronomy reports (01-05-2015)“…Long-term JHKLM photometric measurements of the oxygen Mira variables RU Her and RS Vir are presented. Variations of the brightnesses and colors of these stars…”
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13
A “tsunami” in the protoplanetary disk of SV Cep
Published in Astronomy reports (2017)“…The results of ~15 years of photometric observations of the UX Ori star SV Cep in the near-infrared ( JHKL ) are presented. They demonstrate the presence of a…”
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14
ALMA Monitoring of Millimeter Line Variation in IRC +10216. I. Overview of Millimeter Variability
Published in The Astrophysical journal (01-10-2019)“…Temporal variation of millimeter lines is a new direction of research for evolved stars. It has the potential to probe the dynamical wind-launching processes…”
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Spectroscopy and photometry of the symbiotic nova PU Vul during its nebular phase and minimum of 2007
Published in Astronomy reports (01-10-2011)“…We present the results of our analysis of the spectrophotometric and photometric data for the symbiotic nova PU Vul acquired in 2001–2008. The continuum in the…”
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WR 140 (=V1687 Cyg): Infrared photometry, 2001–2010
Published in Astronomy letters (2011)“…We present the results of our infrared observations of WR 140 (=V1687 Cyg) in 2001–2010. Analysis of the observations has shown that the J brightness at…”
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17
Dynamics of wind and the dusty environments in the accreting T Tauri stars RY Tauri and SU Aurigae
Published in Monthly notices of the Royal Astronomical Society (11-02-2019)“…Abstract Classical T Tauri stars with ages of less than 10 Myr possess accretion discs. Magnetohydrodynamic processes at the boundary between the disc and the…”
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Study of the Carbon Star T Draconis
Published in Astronomy letters (2024)“…We present the results of the infrared photometric observations in the bands and infrared spectroscopic observations in the range 1–2.5 m for the carbon Mira…”
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Recurrent Symbiotic Nova T Coronae Borealis before Outburst
Published in Astronomy letters (01-09-2023)“…The results of photometric and spectral observations of T CrB obtained in a wide range of wavelengths in 2011–2023 are presented. We use the near-IR light…”
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New activity cycle of the classical symbiotic star V1413 Aql
Published in Astronomy letters (01-07-2012)“…We present the results of our photometric UBV JHKLM observations in 2008–2011 for the classical symbiotic star V1413 Aql. At the end of 2008, the hot component…”
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