Astronomy and Astrophysics – Astrophysics
Scientific paper
Jul 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990gregr..22..735n&link_type=abstract
General Relativity and Gravitation, Volume 22, Issue 7, pp.735-748
Astronomy and Astrophysics
Astrophysics
3
Scientific paper
Tohnan's V solution has found wide application to the redshift problem in astrophysics but it has a drawback in that there is singularity at the centre. We have developed a core-envelope model with a parabolic density distribution in the core ande v ∝r 2n in the envelope. The most distinctive feature of the model is that there is a continuity of all the four variables (E, P, λ andv) at the boundary. In other analytic coreenvelope models the continuity of only three variables is possible. This two-density structure has been used to model neutron stars and their mass, size and red shifts have been obtained.
Durgapal M. C.
Negi P. S.
Pande A. K.
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