Showing 1 - 19 results of 19 for search '"astrometry"', query time: 0.05s Refine Results
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    The Orbits of Uranus, Its Satellites and Rings, the Gravity Field of the Uranian System, and the Orientation of the Poles of Uranus and Its Satellites by Robert A. Jacobson, Ryan S. Park

    Published 2025-01-01
    “…Subsequent to that publication, several observers obtained new astrometry, and some of the original astrometry was rereduced against the Gaia star catalog. …”
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  11. 11

    The Impact of KLT Coder on the Image Distortion in Astronomy by Petr Pata

    Published 2015-01-01
    “…Selected astronomical image processing algorithms are used for the encoder testing. The astrometry and point spread function distortion are selected as the most important criteria. …”
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  12. 12

    Distributions of Wide Binary Stars in Theory and in Gaia Data. I. Generalized Ambartsumian (1937) Approach and the Family of Power-law Distributions of Eccentricity by Valeri V. Makarov

    Published 2025-01-01
    “…The advance of the Gaia mission astrometry takes statistical studies of wide stellar systems to an unprecedented level of precision and scope. …”
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    On the Age Calibration of Open Clusters Using Red Clump Stars by Abigail R. Chriss, Guy Worthey

    Published 2025-01-01
    “…We perform membership analysis on 14 galactic open clusters using Gaia DR3 astrometry, then compute the difference in color of the RGB and red clump d _B _− _R using Gaia photometry. …”
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    Lunar Radiometric Measurement Based on Observing China Chang’E-3 Lander with VLBI—First Insight by SongTao Han, ZhongKai Zhang, Jing Sun, JianFeng Cao, Lue Chen, Weitao Lu, WenXiao Li

    Published 2019-01-01
    “…Since July 2014, OCEL (Observing Chang’E-3 Lander with VLBI) project has been conducted jointly by IVS (International VLBI Service of Geodesy and Astrometry) and BACC (Beijing Aerospace Control Center), a global IVS R&D network augmented with two China Deep Space Stations configured for OCEL. …”
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    Autonomous Streaming Space Objects Detection Based on a Remote Optical System by V. S. Baranova, V. A. Saetchnikov, A. A. Spiridonov

    Published 2021-12-01
    “…Traditional image processing techniques provide sustainable efficiency in the astrometry of deep space objects and in applied problems of determining the parameters of artificial satellite orbits. …”
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    Innovative approach for modelling gravity-induced signal path variations of VLBI radio telescopes by Michael Lösler, Cornelia Eschelbach, Ansgar Greiwe, Boye Zhou, Lucia McCallum

    Published 2025-01-01
    “…As this deformation acts systematically and is individual for each radio telescope, the International VLBI Service for Geodesy and Astrometry (IVS) calls for gravitational deformation investigations to be able to correct VLBI data on the observation level. …”
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    The Discovery and Characterization of Minimoon 2024 PT5 by Bryce T. Bolin, Larry Denneau, Laura-May Abron, Robert Jedicke, Kristin Chiboucas, Carl Ingebretsen, Brian C. Lemaux

    Published 2025-01-01
    “…We improve the orbital solution of 2024 PT _5 with our astrometry and estimate the effect of radiation pressure on its deriving an area-to-mass ratio of 7.02 ± 2.05 × 10 ^−5 m ^2 kg ^−1 , implying a density of  ~3.9 ± 2.1 g cm ^−3 , compatible with having a rocky composition. …”
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    Demographics of M Dwarf Binary Exoplanet Hosts Discovered by TESS by Rachel A. Matson, Rebecca Gore, Steve B. Howell, David R. Ciardi, Jessie L. Christiansen, Catherine A. Clark, Ian J. M. Crossfield, Sergio B. Fajardo-Acosta, Rachel B. Fernandes, Elise Furlan, Emily A. Gilbert, Erica Gonzales, Kathryn V. Lester, Michael B. Lund, Elisabeth C. Matthews, Alex S. Polanski, Joshua E. Schlieder, Carl Ziegler

    Published 2025-01-01
    “…We use high-resolution imaging and Gaia astrometry to detect stellar companions around M dwarf exoplanet hosts discovered by TESS and determine the projected separation and estimated stellar masses for each system. …”
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    Radio Follow-up Observations of SN 2023ixf by Japanese and Korean Very Long Baseline Interferometers by Yuhei Iwata, Masanori Akimoto, Tomoki Matsuoka, Keiichi Maeda, Yoshinori Yonekura, Nozomu Tominaga, Takashi J. Moriya, Kenta Fujisawa, Kotaro Niinuma, Sung-Chul Yoon, Jae-Joon Lee, Taehyun Jung, Do-Young Byun

    Published 2025-01-01
    “…We report on radio follow-up observations of the nearby Type II supernova SN 2023ixf, spanning from 1.7 to 269.9 days after the explosion, conducted using three very long baseline interferometers (VLBIs), which are the Japanese VLBI Network, the VLBI Exploration of Radio Astrometry, and the Korean VLBI Network. In three observation epochs (152.3, 206.1, and 269.9 days), we detected emission at the 6.9 and 8.4 GHz bands, with a flux density of ~5 mJy. …”
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