Stellar modeling - PowerPoint PPT Presentation


Hardware Demonstration and Improvements of the Stellar Positioning System

The Hardware Demonstration and Improvements of the Stellar Positioning System (SPS) involve utilizing ancient celestial navigation techniques for lunar exploration. SPS combines central-body-relative observation with star-field observation to determine absolute position, reducing mass/power impacts

5 views • 14 slides


Slitless Stellar Spectroscopy with the SA100 Grating Procedures

Explore the world of slitless stellar spectroscopy with the SA100 grating as detailed by Anthony Harding in the ongoing creation of the Harding Spectra Library. Learn about the equipment used, the process of determining instrument response, capture procedures, and stacking techniques for obtaining s

0 views • 30 slides



Overview of Army Modeling and Simulation Office

The U.S. Army Modeling and Simulation Office (AMSO) serves as the lead activity in developing strategy and policy for the Army Modeling and Simulation Enterprise. It focuses on effective governance, resource management, coordination across various community areas, and training the Army Analysis, Mod

1 views • 8 slides


Capacity Zone Modeling for Forward Capacity Auction 17 Results

This presentation unveils the Capacity Zone modeling calculations for Forward Capacity Auction 17 associated with the 2026-2027 Capacity Commitment Period by ISO-NE PUBLIC. It delves into boundary definitions, import-constrained zone modeling, and market rules guiding the assessments and modeling pr

0 views • 16 slides


Distribution Feeder Modeling and Analysis Overview

This document delves into the modeling, optimization, and simulation of power distribution systems, specifically focusing on Distribution Feeder Modeling and Analysis. It covers the components of a typical distribution feeder, series components, Wye-Connected Voltage Regulator modeling, and equation

0 views • 14 slides


Understanding Data Modeling vs Object Modeling

Data modeling involves exploring data-oriented structures, identifying entity types, and assigning attributes similar to class modeling in object-oriented development. Object models should not be solely based on existing data schemas due to impedance mismatches between object and relational paradigm

0 views • 17 slides


Evolution of Modeling Methodologies in Telecommunication Standards

Workshop on joint efforts between IEEE 802 and ITU-T Study Group 15 focused on information modeling, data modeling, and system control in the realm of transport systems and equipment. The mandate covers technology architecture, function management, and modeling methodologies like UML to YANG generat

0 views • 16 slides


Understanding Geometric Modeling in CAD

Geometric modeling in computer-aided design (CAD) is crucially done in three key ways: wireframe modeling, surface modeling, and solid modeling. Wireframe modeling represents objects by their edges, whereas surface modeling uses surfaces, vertices, and edges to construct components like a box. Each

1 views • 37 slides


Mathematical Modeling and Error Analysis in Engineering

Mathematical modeling plays a crucial role in solving engineering problems efficiently. Numerical methods are powerful tools essential for problem-solving and learning. This chapter explores the importance of studying numerical methods, the concept of mathematical modeling, and the evaluation proces

0 views • 10 slides


Understanding Stellar Distances and Brightness in Astronomy

Exploring the methods used in astronomy to determine star distances, from stellar parallax to advanced measurements with spacecraft like Gaia. Delve into the magnitude scale and the concept of apparent magnitude in measuring star brightness.

3 views • 13 slides


Introduction to Dynamic Structural Equation Modeling for Intensive Longitudinal Data

Dynamic Structural Equation Modeling (DSEM) is a powerful analytical tool used to analyze intensive longitudinal data, combining multilevel modeling, time series modeling, structural equation modeling, and time-varying effects modeling. By modeling correlations and changes over time at both individu

0 views • 22 slides


Unveiling the Impact of Stellar Multiplicity on Exoplanet Detection

Exploring the effects of stellar multiplicity on exoplanet detection, this research highlights the challenges in accurately measuring Earth-sized planets and proposes high-resolution imaging as a solution. By conducting a survey of Kepler non-host stars, significant insights have been gained, sugges

0 views • 9 slides


Understanding Object Modeling in Software Development

Object modeling is a crucial concept in software development, capturing the static structure of a system by depicting objects, their relationships, attributes, and operations. This modeling method aids in demonstrating systems to stakeholders and promotes a deeper understanding of real-world entitie

1 views • 65 slides


Development of CHARA/SPICA Project for Stellar Astrophysics Research

CHARA/SPICA project history spans from funding requests to the realization of SPICA instruments, including SPICA-FT and SPICA-VIS. Scientific requirements focus on stellar physics, visible interferometry, and large surveys for stellar parameters determination, with detailed specifications for fringe

0 views • 6 slides


Understanding Host Stars and Their Importance in Exoplanet Research

Host stars play a crucial role in determining the physical parameters of planets they host, impacting exoplanet characterization and planet formation understanding. Data from astrometry, photometry, and spectroscopy, combined with stellar evolutionary models, help derive host star properties critica

0 views • 51 slides


Understanding Stellar Structure in Fundamental Astrophysics

Exploring the intriguing world of stellar structure and energy production in stars. Discover the equilibrium of forces, hydrostatic equilibrium, energy transport mechanisms, boundary conditions, equations of state, and nuclear reactions shaping the dynamics of stars. Unveil the mysteries behind the

0 views • 39 slides


Coupled Ocean-Atmosphere Modeling on Icosahedral Grids

Coupled ocean-atmosphere modeling on horizontally icosahedral and vertically hybrid-isentropic/isopycnic grids is a cutting-edge approach to modeling climate variability. The design goals aim to achieve a global domain with no grid mismatch at the ocean-atmosphere interface, with key indicators such

1 views • 21 slides


Fire and Smoke Modeling Evaluation Effort (FASMEE) Overview

FASMEE is a collaborative project aimed at assessing and advancing fire and smoke modeling systems through critical measurement techniques and observational data. Led by key technical leads, FASMEE focuses on diverse modeling areas such as fire growth, effects, coupled fire-atmosphere behavior, smok

4 views • 30 slides


Understanding Nuclear Decays and Reactions in Stellar Astrophysics

Nuclear decays and reactions, driven by weak interactions, are vital in stellar astrophysics. Various processes like bound-state beta-decay impact nucleosynthesis and cosmochronology. Specific processes in stars involve capture reactions, electron capture, and neutrino-nucleus interactions. Stellar

0 views • 22 slides


Subarea and Highway Corridor Studies: Travel Demand Modeling and Refinements

In this lesson, we delve into subarea and corridor studies focusing on travel demand model refinements, highway network coding, corridor congestion relief, and trip assignment theory. Subarea modeling plays a crucial role in forecasting travel within smaller regions with detailed traffic patterns, t

1 views • 45 slides


Understanding Jeans Equations in Stellar Dynamics

The Jeans Equations and Collisionless Boltzmann Equation play a crucial role in describing the distribution of stars in a gravitational potential. By applying assumptions like axial symmetry and spherical symmetry, these equations provide insights into the behavior of large systems of stars. Despite

0 views • 7 slides


Essential Steps for Setting up a Modeling Study

Ensure clarity on modeling goals and uncertainties. Select sample areas strategically based on interest and available data. Determine appropriate resolution for modeling. Define variables to model and validate the model effectively. Assess sample data adequacy and predictor variables availability. E

0 views • 9 slides


Exploring Star Formation and Stellar Phenomena in Our Galaxy

Delve into the fascinating realms of high mass star formation, stellar winds, planetary nebulae, and active stars through the VLASS Galactic Science project. This initiative leverages cutting-edge surveys like GLIMPSE and CORNISH to unlock the secrets of star birth, evolution, and their impact on th

0 views • 8 slides


Understanding Stellar Variability Effects in Exoplanet Studies

Exploring the impact of stellar variability on exoplanet transits and eclipses, this content delves into strategies for disentangling signals in phase curves. Factors such as stellar brightness, size, and stability play crucial roles. Illustrations and studies by Pont et al. shed light on phenomena

0 views • 7 slides


Water Storage Tanks Hydraulic Modeling and Water Quality Considerations

This presentation by Justine Carroll, P.E., Project Manager, focuses on the hydraulic modeling and water quality considerations related to water storage tanks. It covers topics such as water age evaluation, steady state modeling, extended period simulations, pump controls, demand patterns, EPS verif

0 views • 34 slides


Advancing Computational Modeling for National Security and Climate Missions

Irina Tezaur leads the Quantitative Modeling & Analysis Department, focusing on computational modeling and simulation of complex multi-scale, multi-physics problems. Her work benefits DOE nuclear weapons, national security, and climate missions. By employing innovative techniques like model order re

0 views • 6 slides


Flexible Framework for Stormwater Lids Modeling

A new flexible framework for forward and inverse modeling of stormwater lids is presented. It includes governing equations, hydraulic and contaminant transport, numerical methods, and demonstration cases for various green infrastructure components. The importance of different processes in modeling i

0 views • 20 slides


Fascinating Insights into Stellar Distances and Parallax Measurements

Delve into the vast distances between stars, such as Alpha Centauri and Proxima Centauri, captured through intriguing images. Explore the concept of parallax and its role in estimating stellar distances relative to our Sun. Understand the challenges astronomers face in measuring these immense distan

0 views • 7 slides


Understanding Stellar Properties: Distance, Brightness, and Flux

Explore the fascinating realm of stellar astronomy with topics such as stellar parallax, magnitude scales, luminosity, radiant flux, and the inverse square law. Learn about measuring distances to stars, comparing their brightness, and understanding the energy they emit into space. Dive into the intr

0 views • 31 slides


Solutions for Asteroid Location Determination in Stellar Systems

Detailed guidance is provided on how to determine the location of an asteroid in relation to stars in a stellar system. The process involves different scenarios such as unique solutions, double solutions, and four solutions, each requiring specific steps for accurate identification. Matching events,

0 views • 15 slides


Understanding Automated Speech Recognition Technologies

Explore the world of Automated Speech Recognition (ASR), including setup, basics, observations, preprocessing, language modeling, acoustic modeling, and Hidden Markov Models. Learn about the process of converting speech signals into transcriptions, the importance of language modeling in ASR accuracy

0 views • 28 slides


Understanding Stellar Brightness and Magnitude Distances

Explore the relationship between a star's brightness as observed from Earth and its actual brightness, distance, apparent magnitude, and absolute magnitude. Learn how to calculate these values using data and formulas. Gain insights into the variations in star distances, brightness, and magnitudes to

0 views • 6 slides


Implications of Star Formation in the Central Parsec of Our Galaxy with Subaru Observations

Researchers presented implications of star formation in the central parsec of our Galaxy using Subaru observations at the 2014 Subaru Users Meeting. The study focused on the supermassive black hole Sgr A* and the challenges posed by conditions in the Galactic Center for star formation. Various scena

0 views • 30 slides


Update on Modeling and Coordination Discussions

Weekly coordination calls with Ramboll and discussions with EPA OAQPS leads focused on Regional Haze and modeling adjustments. Final draft of procedures document with visibility projections and glide slope adjustments. Upcoming RTOWG meetings covering methodology, projections, and modeling evaluatio

0 views • 5 slides


Importance of Data Modeling in Industrial Information Systems

Introduction to data modeling and design in Industrial Information Systems at King Saud University College of Engineering. The chapter covers the significance of data modeling, capturing data characteristics, structural information, and the role of databases and DBMS. Data modeling fills crucial gap

0 views • 51 slides


Understanding the Stellar Initial Mass Function Variability

Investigating the universality of the stellar initial mass function (IMF) through template fitting and updated star-forming main sequence studies. Variable IMF models, template fitting with SED templates, and implications for star formation processes are discussed, highlighting the interplay between

0 views • 12 slides


Advanced Emission Line Pipeline for Stellar Kinematics Analysis

This comprehensive pipeline includes processes for stellar kinematics, continuum fitting, Gaussian line fitting, and analysis of SAMI-like cubes. It also covers Gaussian fitting techniques, parameter mapping, and potential issues. The pipeline features detailed steps and strategies for accurate anal

0 views • 10 slides


NetLogo - Programmable Modeling Environment for Simulating Natural and Social Phenomena

NetLogo is a powerful and versatile programmable modeling environment created by Uri Wilensky in 1999. It allows users to simulate natural and social phenomena by giving instructions to multiple agents operating independently, making it ideal for modeling complex systems evolving over time. NetLogo

0 views • 7 slides


Unveiling Dark Nebulae and Stellar Formation in Space

Dark Nebulae like the Coalsack Nebula and Snake Nebula are dense interstellar clouds where light cannot pass through. Comprised of tiny dust particles coated in frozen gases, they serve as precursors to stellar nurseries, where protostars begin to form and evolve. Learn about these enigmatic cosmic

0 views • 11 slides


Impact of M Dwarf Stellar Wind on Atmospheric Escape of a Mars-like Exoplanet

The study explores how the stellar wind from M dwarf stars affects the atmospheric escape of a Mars-like planet, focusing on the potential habitability of such exoplanets. Computer simulations utilizing stellar wind parameters provide insights into ion escape and the varying conditions at different

0 views • 19 slides