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American Journal of Astronomy and Astrophysics

Archive

2024, Volume 11
1. Issue 1, Mar.
2023, Volume 10
1. Issue 2, Jun.
2. Issue 1, Mar.
2021, Volume 9
2020, Volume 8
2019, Volume 7
2018, Volume 6
2017, Volume 5
2016, Volume 4
2015, Volume 3
2014, Volume 2
2013, Volume 1

Volume 9, Issue 4, December 2021

A New Approach to Sonification of Astrophysical Data: The User Centred Design of SonoUno

Johanna Casado, Beatriz García, Poshak Gandhi, Wanda Díaz-Merced

Issue: Volume 9, Issue 4, December 2021

Pages: 42-51

Received: 7 April 2022

Accepted: 6 May 2022

Published: 31 May 2022

DOI: 10.11648/j.ajaa.20210904.11

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Abstract: Even when actual technologies present the potential to augment inclusion and the United Nations has been stablished the digital access to information as a human right, people with disabilities continuously faced barriers in their profession. In many cases, in sciences, the lack of accessible and user centred tools left behind researches with disabi... Show More

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A Model of the Dynamics of Open Clusters: Time-Scales, Core Collapse and Blue Stragglers

Félix Llorente de Andrés, Carmen Morales Durán

Issue: Volume 9, Issue 4, December 2021

Pages: 52-66

Received: 24 November 2022

Accepted: 12 December 2022

Published: 27 December 2022

DOI: 10.11648/j.ajaa.20210904.12

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Abstract: This work presents a mathematical model of dynamic of open clusters (OC) from which their time scales are deduced as well as the number of blue stragglers (BS) present in the cluster. The model is based on the expansion of mass through a sphere defined by a radius, and at a time; this variation of mass is translated into a differential equation tha... Show More

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