A new analytic approximation to the isothermal, self-gravitating sphere

We derive a new analytic prescription for the density of the non-singular, isothermal, self-gravitating sphere. The proposed prescription gives the density stratification for all radii with a maximum error of ≈1%. This is an improvement over previous prescriptions, which only gave such an accuracy over limited radial domains.

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Bibliographic Details
Main Authors: Raga,A. C., Rodríguez-Ramírez,J. C., Villasante,M., Rodríguez-González,A., Lora,V.
Format: Digital revista
Language:English
Published: Universidad Nacional Autónoma de México, Instituto de Astronomía 2013
Online Access:http://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S0185-11012013000100007
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