English
Related papers

Related papers: Java application for the superposition T-matrix co…

200 papers

The overall understanding of cosmic dust particles is mainly inferred from the different Earth-based measurements of interplanetary dust particles and space missions such as Giotto, Stardust and Rosetta. The results from these measurements…

Earth and Planetary Astrophysics · Physics 2022-09-15 Prithish Halder

In protoplanetary disks, micron-sized dust grains coagulate to form highly porous dust aggregates. Because the optical properties of these aggregates are not completely understood, it is important to investigate how porous dust aggregates…

Earth and Planetary Astrophysics · Physics 2016-06-01 Ryo Tazaki , Hidekazu Tanaka , Satoshi Okuzumi , Akimasa Kataoka , Hideko Nomura

Understanding the properties of particle aggregation and resulting aggregates under microgravity conditions leads to better insights on the formation of the early Solar System planetesimals. Simulating such conditions is the main objective…

Earth and Planetary Astrophysics · Physics 2016-09-20 Jeremie Lasue , Anny-Chantal Levasseur-Regourd

The cosmic dust particles found in space are mainly porous aggregates of smaller grains. Theoretically, these aggregates are replicated using fractal geometry, assuming a cluster of spheres. Although, the light scattering response of cosmic…

Earth and Planetary Astrophysics · Physics 2023-04-14 Prithish Halder , Sujan Sengupta

In this work, we study the light scattering properties of dust aggregates ($0.7\mu m \lesssim R_c \lesssim 2.0\mu m$) having a wide range of porosity ($\mathcal{P}$ = 0.59 to 0.98). The simulations are executed using the Superposition…

Earth and Planetary Astrophysics · Physics 2018-05-16 Prithish Halder , Parizath Deb Roy , Himadri Sekhar Das

We present a database containing information on different aspects of calculation and usage of the optical properties of small non-spherical particles -- cosmic dust analogues. The main parts of the DOP are a review of available methods of…

In this paper I will describe a new software package developed using the Java programming language, aimed to compute the positions of any Solar System body (among asteroids, comets, planets, and satellites) to help to perform cross-matches…

Instrumentation and Methods for Astrophysics · Physics 2025-05-20 T. Alonso-Albi

We perform light-scattering numerical simulations for two dust populations: (i) consolidated porous particles computed with the discrete dipole approximation (ADDA) and (ii) highly porous aggregate models, including fractal and hierarchical…

We study the light scattering properties of moderately large dust aggregates ($0.8\mu m \lesssim R \lesssim 2.0\mu m$) with a wide variation of porosity ($\mathcal{P}$) from 0.57 to 0.98. The computations are performed using the…

Earth and Planetary Astrophysics · Physics 2017-09-28 P. Deb Roy , P. Halder , H. S. Das

Detecting unseen anomalies in unstructured environments presents a critical challenge for industrial and agricultural applications such as material recycling and weeding. Existing perception systems frequently fail to satisfy the strict…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Melanie Neubauer , Elmar Rueckert , Christian Rauch

Trajectory similarity computation is an essential technique for analyzing moving patterns of spatial data across various applications such as traffic management, wildlife tracking, and location-based services. Modern methods often apply…

Machine Learning · Computer Science 2024-06-21 Lihuan Li , Hao Xue , Yang Song , Flora Salim

The table analysis application TOPCAT uses a custom Java plotting library for highly configurable high-performance interactive or exported visualisations in two and three dimensions. We present here a variety of ways for end users or…

Instrumentation and Methods for Astrophysics · Physics 2014-10-31 M. B. Taylor

Correctly modelling the absorptive properties of dust and haze particles is of great importance for determining the abundance of solid matter within protoplanetary disks and planetary atmospheres. Rigorous analyses such as the discrete…

Earth and Planetary Astrophysics · Physics 2024-10-30 M. G. Lodge , H. R. Wakeford , Z. M. Leinhardt

\texttt{rCOSA} is a software package interfaced to the R language. It implements statistical techniques for clustering objects on subsets of attributes in multivariate data. The main output of COSA is a dissimilarity matrix that one can…

Computation · Statistics 2016-12-02 Maarten M. Kampert , Jacqueline J. Meulman , Jerome H. Friedman

We present the Empirical Dust Attenuation (EDA) framework -- a flexible prescription for assigning realistic dust attenuation to simulated galaxies based on their physical properties. We use the EDA to forward model synthetic observations…

Density-based clustering has found numerous applications across various domains. The Density-Based Spatial Clustering of Applications with Noise (DBSCAN) algorithm is capable of finding clusters of varied shapes that are not linearly…

Databases · Computer Science 2019-12-03 Vinayak Mathur , Jinesh Mehta , Sanjay Singh

The purpose of this HST white paper is to demonstrate that it is possible to monitor Jupiter's polar haze with HST/STIS without breaking the ground screening limit for bright objects. This demonstration rests on a thorough simulation of…

Earth and Planetary Astrophysics · Physics 2015-09-07 Denis Grodent , Bertrand Bonfond , Jonathan Nichols

The $J$-matrix inverse scattering approach can be used as an alternative to a conventional $R$-matrix in analyzing scattering phase shifts and extracting resonance energies and widths from experimental data. A great advantage of the…

Nuclear Theory · Physics 2009-02-18 A. M. Shirokov , A. I. Mazur , J. P. Vary , E. A. Mazur

This is a companion draft to paper 'Software Clustering: Unifying Syntactic and Semantic Features', in proceedings of the 19th Working Conference on Reverse Engineering (WCRE 2012). It discusses the clustering process in detail, which…

Software Engineering · Computer Science 2018-06-29 Janardan Misra , Vikrant Kaulgud , Gary Titus , Annervaz KM , Shubhashis Sengupta

Optical properties of dust aggregates are important at various astrophysical environments. To find a reliable approximation method for optical properties of dust aggregates, we calculate the opacity and the asymmetry parameter of dust…

Earth and Planetary Astrophysics · Physics 2018-06-20 Ryo Tazaki , Hidekazu Tanaka
‹ Prev 1 2 3 10 Next ›