Search Results - "Uklein, R. I"

3D structure of the H  ii region Sh2-235 from tunable-filter optical observations by Kirsanova, M S, Boley, P A, Moiseev, A V, Wiebe, D S, Uklein, R I

“…ABSTRACT We present observations of the H α, H β, [S ii] λλ6716, 6731 and [N ii] λ6583 emission lines in the galactic H ii region Sh2-235 with the Mapper of…”
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The TELPERION survey for distant [O iii] clouds around luminous and hibernating AGN by Keel, William C, Moiseev, Alexei, Kozlova, D V, Ikhsanova, A I, Oparin, D V, Uklein, R I, Smirnova, A A, Eselevich, M V

“…ABSTRACT We present a narrow-band [O iii] imaging survey of 111 active galactic nucleus (AGN) hosts and 17 merging-galaxy systems, in search of distant…”
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Measurement of the Supermassive Black Hole Masses in Two Active Galactic Nuclei by the Photometric Reverberation Mapping Method by Malygin, E. A., Shablovinskaya, E. S., Uklein, R. I., Grokhovskaya, A. A.

“…We present the results of long-term photometric monitoring of two active galactic nuclei, 2MASX J08535955+7700543 ( ) and VII Zw 244 ( ), being investigated by…”
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Stokes-Polarimeter for 1-m Telescope by Afanasiev, V. L., Shablovinskaya, E. S., Uklein, R. I., Malygin, E. A.

“…We present the “StoP” photometer-polarimeter (Stokes-polarimeter) used for observations with the 1-m telescope of the Special Astrophysical Observatory of the…”
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Search for Tidal Disruption Events Based on the SRG/eROSITA Survey with Subsequent Optical Spectroscopy by Khorunzhev, G. A., Sazonov, S. Yu, Medvedev, P. S., Gilfanov, M. R., Atapin, K. E., Belinski, A. A., Vozyakova, O. V., Dodin, A. V., Safonov, B. S., Tatarnikov, A. M., Bikmaev, I. F., Burenin, R. A., Dodonov, S. N., Eselevich, M. V., Zaznobin, I. A., Krivonos, R. A., Uklein, R. I., Postnov, K. A., Sunyaev, R. A.

“…The four completed six-month sky surveys with the eROSITA telescope onboard the SRG orbital observatory allow tidal disruption events (TDEs) in galactic nuclei…”
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Observations of Massive Galaxy Clusters from the All-Sky Survey with the eROSITA Telescope Onboard the SRG Space Observatory by Burenin, R. A., Zaznobin, I. A., Medvedev, P. S., Gilfanov, M. R., Kotov, S. S., Uklein, R. I., Dodonov, S. N., Moiseev, A. V., Eselevich, M. V., Bikmaev, I. F., Lyskova, N. S., Meshcheryakov, A. V., Postnov, K. A., Sazonov, S. Yu, Starobinsky, A. A., Sunyaev, R. A., Churazov, E. M.

“…We present the results of our search for massive galaxy clusters among extended X-ray sources from the SRG/eROSITA survey using data from the Planck survey and…”
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Optical Identification and Spectroscopic Redshift Measurements of 216 Galaxy Clusters from the SRG/eROSITA All-Sky Survey by Zaznobin, I. A., Burenin, R. A., Belinski, A. A., Bikmaev, I. F., Gilfanov, M. R., Dodin, A. V., Dodonov, S. N., Eselevich, M. V., Zheltoukhov, S. F., Irtuganov, E. N., Kotov, S. S., Krivonos, R. A., Lyskova, N. S., Malygin, E. A., Maslennikova, N. A., Medvedev, P. S., Meshcheryakov, A. V., Moiseev, A. V., Oparin, D. V., Potanin, S. A., Postnov, K. A., Sazonov, S. Yu, Safonov, B. S., Sakhibullin, N. A., Starobinsky, A. A., Suslikov, M. V., Sunyaev, R. A., Tatarnikov, A. M., Uskov, G. S., Uklein, R. I., Khabibullin, I. I., Khamitov, I. M., Khorunzhev, G. A., Churazov, E. M., Shablovinskaya, E. S., Shatsky, N. I.

“…We present the results of the optical identification and spectroscopic redshift measurements of 216 galaxy clusters detected in the SRG/eROSITA all-sky X-ray…”
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Search for Distant and X-ray Luminous Quasars during the SRG/eROSITA Sky Survey (the DaLeQo Program). The First Results from Observations at the BTA Telescope by Khorunzhev, G. A., Dodonov, S. N., Meshcheryakov, A. V., Moiseev, A. V., Grokhovskaya, A. A., Kotov, S. S., Malygin, E. A., Uklein, R. I., Shablovinskaya, E. S., Medvedev, P. S., Borisov, V. D., Burenin, R. A., Krivonos, R. A., Uskov, G. S., Zaznobin, I. A., Sunyaev, R. A., Sazonov, S. Yu, Gilfanov, M. R.

“…We discuss the results of our spectroscopy for 17 candidates for distant quasars selected by the SRGz classification system based on data from the first and…”
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Photometric Reverberation Mapping of AGNs at 0.1 < z <0.8. I. Observational Technique by Uklein, R. I., Malygin, E. A., Shablovinskaya, E. S., Perepelitsyn, A. E., Grokhovskaya, A. A.

“…The improvement of the calibration relation for determining the size of the broad-line region from the observed optical luminosity of active galactic nuclei…”
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Discovery of the Most X-ray Luminous Quasar SRGE J170245.3+130104 at Redshift $$\boldsymbol{z\approx 5.5} by Khorunzhev, G. A., Meshcheryakov, A. V., Medvedev, P. S., Borisov, V. D., Burenin, R. A., Krivonos, R. A., Uklein, R. I., Shablovinskaya, E. S., Afanasiev, V. L., Dodonov, S. N., Sunyaev, R. A., Sazonov, S. Yu, Gilfanov, M. R.

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Spectroscopic Redshift Measurements for Galaxy Clusters from the Lockman Hole Survey with the eROSITA Telescope Onboard the SRG Observatory by Zaznobin, I. A., Burenin, R. A., Lyapin, A. R., Khorunzhev, G. A., Afanasiev, V. L., Grokhovskaya, A. A., Dodonov, S. N., Eselevich, M. V., Uklein, R. I., Bikmaev, I. F., Khamitov, I. M., Gilfanov, M. R., Lyskova, N. S., Medvedev, P. S., Sunyaev, R. A.

“…We present the first results of our program of optical observations for galaxy clusters from the Lockman Hole X-ray survey with the eROSITA telescope onboard…”
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Discovery of the Most X-ray Luminous Quasar SRGE J170245.3+130104 at Redshift by Khorunzhev, G. A., Meshcheryakov, A. V., Medvedev, P. S., Borisov, V. D., Burenin, R. A., Krivonos, R. A., Uklein, R. I., Shablovinskaya, E. S., Afanasiev, V. L., Dodonov, S. N., Sunyaev, R. A., Sazonov, S. Yu, Gilfanov, M. R.

“…During the first all-sky survey of the SRG orbital observatory, the X-ray source SRGE J170245.3+130104 was discovered with the eROSITA telescope on March…”
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Observation of a Very Massive Galaxy Cluster at = 0.76 in the SRG/eROSITA All-Sky Survey by Burenin, R. A., Bikmaev, I. F., Gilfanov, M. R., Grokhovskaya, A. A., Dodonov, S. N., Eselevich, M. V., Zaznobin, I. A., Irtuganov, E. N., Lyskova, N. S., Medvedev, P. S., Meshcheryakov, A. V., Moiseev, A. V., Sazonov, S. Yu, Starobinsky, A. A., Sunyaev, R. A., Uklein, R. I., Khabibullin, I. I., Khamitov, I. M., Churazov, E. M.

“…The results of multiwavelength observations of the very massive galaxy cluster SRGe CL2305.2–2248 detected in X-rays during the first SRG/eROSITA all-sky…”
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A list of groups of dwarf galaxies in the local supercluster by Makarov, D. I., Uklein, R. I.

“…We report a list of groups consisting of dwarf galaxies only. The sample contains 126 objects, mainly combined in pairs. The most populated group contains six…”
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Distances to dwarf galaxies of the Canes Venatici I cloud by Makarov, D. I., Makarova, L. N., Uklein, R. I.

“…We determined the spatial structure of the scattered concentration of galaxies in the Canes Venatici constellation. We redefined the distances for 30 galaxies…”
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The star in RNO 54 -- a post-FUor with short faint jet? by Magakian, T. Yu, Movsessian, T. A, Andreasyan, H. R, Moiseev, A. V, Uklein, R. I

“…A&A 675, A79 (2023) The aim of the present study was the spectral analysis of an unusual pre-main-sequence star in the cometary nebula RNO 54, which was…”
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Measurement of the supermassive black hole masses in two active galactic nuclei by the photometric reverberation mapping method by Malygin, E. A, Shablovinskaya, E. S, Uklein, R. I, Grokhovskaya, A. A

“…Astronomy Letters, 46, 726-733 (2020) We present the results of long-term photometric monitoring of two active galactic nuclei, 2MASX J08535955+7700543 (z…”
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The TELPERION Survey for Distant [O III] Clouds around Luminous and Hibernating AGN by Keel, William C, Moiseev, Alexei, Kozlova, D. V, Ikhsanova, A. I, Oparin, D. V, Uklein, R. I, Smirnova, A. A, Eselevich, M. V

“…We present a narrowband [O III] imaging survey of 111 AGN hosts and 17 merging-galaxy systems, in search of distant extended emission-line regions (EELRs)…”
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Optical Identification and Spectroscopic Redshift Measurements of 216 Galaxy Clusters from the SRG/eROSITA All-Sky Survey by Zaznobin, I. A, Burenin, R. A, Belinski, A. A, Bikmaev, I. F, Gilfanov, M. R, Dodin, A. V, Dodonov, S. N, Eselevich, M. V, Zheltoukhov, S. F, Irtuganov, E. N, Kotov, S. S, Krivonos, R. A, Lyskova, N. S, Malygin, E. A, Maslennikova, N. A, Medvedev, P. S, Meshcheryakov, A. V, Moiseev, A. V, Oparin, D. V, Potanin, S. A, Postnov, K. A, Sazonov, S. Yu, Safonov, B. S, Sakhibullin, N. A, Starobinsky, A. A, Suslikov, M. V, Sunyaev, R. A, Tatarnikov, A. M, Uskov, G. S, Uklein, R. I, Khabibullin, I. I, Khamitov, I. M, Khorunzhev, G. A, Churazov, E. M, Shablovinskaya, E. S, Shatsky, N. I, .

“…Astronomy Letters 49 (2023) 599-620 We present the results of the optical identification and spectroscopic redshift measurements of 216 galaxy clusters…”
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Universal focal reducer for small telescopes by Afanasiev, V. L, Amirkhanyan, V. R, Uklein, R. I, Perepelitsyn, A. E, Malygin, E. A, Shablovinskaya, E. S, Afanasieva, I. V

“…This paper is devoted to the memory of Dr. Victor Afanasiev and his immense legacy. The report highlights the capabilities of two new instruments tested at the…”
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