72 citations · 972 across the 45 of their papers we have counts for
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Observations of the long-lasting activity of the distant Comets 29P Schwassmann-Wachmann 1, C/2003 WT42 (LINEAR) and C/2002 VQ94 (LINEAR)
Oleksandra Ivanova, Yury Skorov, Pavlo Korsun +2
We investigated three comets, which are active at large heliocentric distances, using observations obtained at the 6-m BTA telescope (SAO RAS, Russia) in the photometric mode of th…
Spectroscopy and polarimetry of the gravitationally lensed quasar Q0957+561
L. Č. Popović, V. L. Afanasiev, E. S. Shablovinskaya +2
We present new spectroscopic and polarimetric observations of the first discovered gravitational lens Q0957+561 obtained with the 6m telescope of the Special Astrophysical Observat…
Polarimetry, photometry, and spectroscopy of comet C/2009 P1(Garradd)
Oleksandra Ivanova, Vera Rosenbush, Viktor Afanasiev +1
We present the results of photometry, linear spectropolarimetry, and imaging circular polarimetry ofcomet C/2009 P1 (Garradd) performed at the 6-m telescope BTA of the Special Astr…
Comet 2P/Encke in apparition of 2017: II. Polarization and color
Nikolai Kiselev, Vera Rosenbush, Oleksandra Ivanova +5
We present results of imaging polarimetry of comet 2P/Encke performed on January 23, 2017 at the heliocentric (1.052 au) and geocentric (1.336 au) distances and phase angle 46.8 de…
Distant Jupiter family Comet P/2011 P1 (McNaught)
Pavlo Korsun, Oleksandra Ivanova, Viktor Afanasiev +1
The spectra and images obtained through broadband BVR filters for Jupiter famaly comet P/2011 P1 were analyzed. We observed the comet on November 24, 2011, when its heliocentric di…
Comet 2P/Encke in apparitions of 2013 and 2017: I. Imaging photometry and long-slit spectroscopy
Vera Rosenbush, Oleksandra Ivanova, Valerii Kleshchonok +4
We present the results of imaging photometric and long-slit spectroscopic observations of comet 2P/Encke performed at the heliocentric distance 0.56 au, geocentric distance 0.65 au…