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We statistically evaluate and compare four orbital similarity criteria within five-dimensional parameter space ($D_{SH}$, $D_D$, $D_H$, and $\varrho_2$) to study dynamical associations using the already classified meteors (manually by a…

Earth and Planetary Astrophysics · Physics 2024-05-29 Eloy Peña-Asensio , Juan Miguel Sánchez-Lozano

The Pierre Auger Observatory consists of 1660 water-Cherenkov detectors (WCDs) and 27 fluorescence telescopes, covering a surface of 3000 km2 in the province of Mendoza, Argentina. After almost two decades, Auger Phase I has ended the data…

High Energy Astrophysical Phenomena · Physics 2025-07-22 Paula Gina Isar

By using an array of high-sensitivity CCD video devices and spectrographs, the activity of meteor events from the poorly-known $\rho$-Geminid meteoroid stream has been monitored during January 2012 and 2013. As a result of this research,…

Earth and Planetary Astrophysics · Physics 2015-06-23 Jose M. Madiedo

On July 28, 2006 the 6-m telescope of the Special Astrophysical Observatory of the Russian Academy of Sciences recorded the spectrum of a faint meteor. We confidently identify the lines of FeI and MgI, OI, NI and molecular-nitrogen N_2…

Astrophysics · Physics 2009-11-13 V. L. Afanasiev , V. V. Kalenichenko , I. D. Karachentsev

The data volumes stored in telescope archives is constantly increasing due to the development and improvements in the instrumentation. Often the archives need to be stored over a distributed storage architecture, provided by independent…

Instrumentation and Methods for Astrophysics · Physics 2022-02-07 Y. G. Grange , V. N. Pandey , X. Espinal , R. Di Maria , A. P. Millar

Today's astronomical projects need computational systems capable to store and analyze large amounts of scientific data, to effectively share data with other research Institutes and to easily implement information services to present data…

Astrophysics · Physics 2007-05-23 G. Calderone , L. Nicastro

Most of the meteor radioastronomical radars are backscatter radars which cover only a small area of the atmosphere. Therefore a daytime meteor flux models are based on sparse data collected by only a few radar systems. To solve this issue,…

Instrumentation and Methods for Astrophysics · Physics 2016-06-08 Jakub Kakona , Pavel Kovar , Martin Kakona

Context. The determination of meteor shower or parent body associations is inherently a statistical problem. Traditional methods, primarily the similarity discriminants, have limitations, particularly in handling the increasing volume and…

Earth and Planetary Astrophysics · Physics 2024-04-15 Patrick M. Shober , Jeremie Vaubaillon

Predictions of the microwave thermal emission from the interplanetary dust cloud are made using several contemporary meteoroid models to construct the distributions of cross-section area of dust in space, and applying the Mie…

Earth and Planetary Astrophysics · Physics 2015-11-18 Valery V. Dikarev , Dominik J. Schwarz

Radar and spacecraft observations show the permanently shadowed regions around Mercury's North Pole to contain water ice and complex organic material. One possible source of this material are impacts by interplanetary dust particles (IDPs),…

Earth and Planetary Astrophysics · Physics 2022-04-27 Kateryna Frantseva , David Nesvorný , Michael Mueller , Floris F. S. van der Tak , Inge Loes ten Kate , Petr Pokorný

The $\delta$-Cancrid meteoroid stream forms four active meteor showers which are observable on the Earth annually during January-February and August-September. The stream's definite parent comet has not been established. We performed a…

Earth and Planetary Astrophysics · Physics 2024-10-31 G. I. Kokhirova , M. Zhang , X. -G. Li , A. I. Zhonmuhammadi , X. Liu

In the era of deep learning, annotated datasets have become a crucial asset to the remote sensing community. In the last decade, a plethora of different datasets was published, each designed for a specific data type and with a specific task…

Computer Vision and Pattern Recognition · Computer Science 2022-09-27 Michael Schmitt , Pedram Ghamisi , Naoto Yokoya , Ronny Hänsch

The Gaia spacecraft of the European Space Agency (ESA) has been securing observations of solar system objects (SSOs) since the beginning of its operations. Gaia Data Release 2 (DR2) contains the observations of a selected sample of 14,099…

Earth and Planetary Astrophysics · Physics 2018-08-15 Gaia Collaboration , F. Spoto , P. Tanga , F. Mignard , J. Berthier , B. Carry , A. Cellino

A new technique has been devised for the analysis of extensive air shower data in observing the effect of the moon on this data. In this technique the number of EAS events with arrival directions falling in error circles centered about the…

Astrophysics · Physics 2008-02-24 F. Sheidaei , M. Bahmanabadi , M. Khakian Ghomi , S. M. Mahdavi , J. Samimi , A. Anvari

Modern scientific data mainly consist of huge datasets gathered by a very large number of techniques and stored in very diversified and often incompatible data repositories. More in general, in the e-science environment, it is considered as…

Instrumentation and Methods for Astrophysics · Physics 2010-10-20 M. Brescia , G. Longo , F. Pasian

18 mm-sized Orionid meteoroids were captured in 2019 and 2020 by the Canadian Automated Observatory's mirror tracking system. Meteor position measurements were made to an accuracy of $\sim1$ m and the meteors were tracked to a limiting…

Earth and Planetary Astrophysics · Physics 2023-10-20 Denis Vida , Peter G. Brown , Margaret Campbell-Brown , Auriane Egal

The physical composition and structure of meteoroids gives us insight into the formation processes of their parent asteroids and comets. The strength of and fundamental grain sizes in meteoroids tell us about the environment in which small…

Earth and Planetary Astrophysics · Physics 2019-04-10 Margaret D. Campbell-Brown

The Pierre Auger Observatory is the world's largest detector for observation of ultra-high-energy cosmic rays (UHECRs) (above the energy of $10^{17}$ eV). It consists of a Fluorescence Detector (FD) and an array of particle detectors known…

High Energy Astrophysical Phenomena · Physics 2023-02-20 Dariusz Góra

The next generation of telescopes and instruments are facilitating our understanding of the Universe by producing data at a pace that beats all projections, and astronomers today are left in the face of an avalanche of data like never…

Instrumentation and Methods for Astrophysics · Physics 2011-11-29 Sebastien Foucaud , Yasuhiro Hashimoto

Context. The populations of small bodies of the Solar System (asteroids, comets, Kuiper-Belt objects) are used to constrain the origin and evolution of the Solar System. Both their orbital distribution and composition distribution are…

Earth and Planetary Astrophysics · Physics 2021-08-13 A. V. Sergeyev , B. Carry
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