Search Results - "Ehgamberdiev, Sh"
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Asteroid pairs: A complex picture
Published in Icarus (New York, N.Y. 1962) (15-11-2019)“…We studied a sample of 93 asteroid pairs, i.e., pairs of genetically related asteroids that are on highly similar heliocentric orbits. We estimated times…”
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Exceptional outburst of the blazar CTA 102 in 2012: the GASP–WEBT campaign and its extension
Published in Monthly notices of the Royal Astronomical Society (21-09-2016)“…After several years of quiescence, the blazar CTA 102 underwent an exceptional outburst in 2012 September–October. The flare was tracked from γ-ray to…”
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Latitudinal-Temporal Analysis of Long-Periodic Variations of Coronal Bright Points
Published in Geomagnetism and aeronomy (01-12-2021)“…The latitudinal-temporal changes in wavelet spectra for the number of coronal bright points (CBPs) in solar-activity (SA) cycles 23 and 24 are analyzed with…”
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Asteroid clusters similar to asteroid pairs
Published in Icarus (New York, N.Y. 1962) (01-04-2018)“…•Membership, size and rotational properties of 13 young asteroid clusters studied.•A model of rotational fission of parent asteroid to a multi-component system…”
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The Bright γ-ray Flare of 3C 279 in 2015 June: AGILE Detection and Multifrequency Follow-up Observations
Published in The Astrophysical journal (01-04-2018)“…We report the AGILE detection and the results of the multifrequency follow-up observations of a bright γ-ray flare of the blazar 3C 279 in 2015 June. We use…”
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A satellite orbit drift in binary near-Earth asteroids (66391) 1999 KW4 and (88710) 2001 SL9 — Indication of the BYORP effect
Published in Icarus (New York, N.Y. 1962) (15-05-2021)“…We obtained thorough photometric observations of two binary near-Earth asteroids (66391) Moshup = 1999 KW4 and (88710) 2001 SL9 taken from 2000 to 2019. We…”
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Multicolour modelling of SN 2013dx associated with GRB 130702A
Published in Monthly notices of the Royal Astronomical Society (01-06-2017)“…Abstract We present optical observations of SN 2013dx, related to the Fermi burst GRB 130702A, which occurred at red shift z = 0.145. It is the second-best…”
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Synchrotron emission from the blazar PG 1553+113. An analysis of its flux and polarization variability
Published in Monthly notices of the Royal Astronomical Society (21-04-2017)“…Abstract In 2015 July 29–September 1, the satellite XMM–Newton pointed at the BL Lac object PG 1553+133 six times, collecting data for 218 h. During one of…”
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Multiwavelength behaviour of the blazar OJ 248 from radio to γ-rays
Published in Monthly notices of the Royal Astronomical Society (01-07-2015)“…We present an analysis of the multiwavelength behaviour of the blazar OJ 248 at z = 0.939 in the period 2006-2013. We use low-energy data (optical,…”
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New Earth-based absolute photometry of the Moon
Published in Icarus (New York, N.Y. 1962) (01-07-2011)“…► New determination of absolute apparent albedo of the Moon is carried out. ► Difference near 13% is found between ROLO and our albedo. ► Smaller slope of…”
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Application of time series modeling to a national reference frame realization
Published in Geodesy and Geodynamics (01-07-2018)“…This paper presents an option for modern dynamic terrestrial reference system realization in Uzbekistan for user needs. An additive model is explored to…”
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Catalog of equatorial coordinates and B-magnitudes of stars of the Kitab part of the FON project
Published in Kinematics and physics of celestial bodies (01-09-2017)“…The processing of the plates of the Kitab part of the FON project has been completed. In total, 1963 plates were processed. The catalog of equatorial…”
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Opposition effect of Trojan asteroids
Published in Icarus (New York, N.Y. 1962) (2012)“…► We have obtained detailed magnitude–phase relations for three Jupiter Trojans. ► The magnitude–phase relations are linear down to phase angle of 0.1–0.2°. ►…”
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Solar Photoelectric Power Station of Maidanak Observatory and the Power Efficiency of Astronomical Telescopes
Published in Applied solar energy (01-05-2018)“…The features of designing, creating, and operating a solar photoelectric power station (PhEPS) for a 10 kW high-altitude observatory Maidanak (Uzbekistan…”
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ON THE CONCEPT OF THE ENHANCED FON CATALOG COMPILATION
Published in Odessa astronomical publications (09-11-2017)“…We suppose to compile the enhanced version of FON (Photographic Survey of the Northern Sky) catalog of stellar positions and B-magnitudes in the sky region…”
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Seeing and atmospheric extinction at Mt. Maidanak observatory from observations with the 1.5-m AZT-22 telescope
Published in Astronomy reports (01-11-2010)“…We have determined the realistic seeing of the 1.5-m AZT-22 telescope of the Mt. Maidanak Observatory (Astronomical Institute, Uzbek Academy of Sciences) using…”
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ON THE FON ASTROPLATE PROJECT ACCOMPLISHMENT
Published in Odessa astronomical publications (24-10-2019)“…The plan of the photographic survey of the northern sky (FON) was proposed in 1976 in Golosiiv ob- servatory (now MAO NAS of Ukraine) by I. Kolchinsky and A…”
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CATALOGUE OF COORDINATES AND B-MAGNITUDES IN - 20є – +2є ZONE BASED ON THE ULUGH BEG ASTRONOMICAL INSTITUTE PART OF THE FON PROJECT
Published in Odessa astronomical publications (09-11-2017)“…Catalogue of 13.4 million stars down to 17.5m was obtained in 2017 by using plates from the Kitab Observatory of Ulugh Beg Astronomical Institute (UBAI) of the…”
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COMPARISON OF ZERO ZONE CATALOGUES OF THE FON PROGRAM BASED ON THE KYIV AND KITAB OBSERVATIONS
Published in Odessa astronomical publications (01-06-2016)“…The two new catalogues for the zero zone of the FON project were created after the processing of two different collections of digitized photographic plates…”
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THE EQUATORIAL COORDINATES AND B-MAGNITUDES OF THE STARS IN THE SOUTHERN HEMISPHERE ZONES BASED ON THE DIGITIZED ASTRONEGATIVES OF FON PROJECT AT THE ULUGH BEG ASTRONOMICAL INSTITUTE
Published in Odessa astronomical publications (02-12-2016)“…FON (Russian abbreviation of the Photographic Sky Survey) were carried out at 6 observatories. The Kitab Observatory (KO) of Ulugh Beg Astronomical Institute…”
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