New Classes of Charged Spheroidal Models

Table 1

𝑏, radius of the star; 𝑝(0), central pressure; 𝜌(𝑏), surface density; 𝜌(0), central density; 𝑞(𝑏), surface charge.

Strange star candidate	𝑅 (km)	𝑏 (km)	𝑝(0) (km^−2)	𝜌(𝑏) (km^−2)	𝜌(0) (km^−2)	𝑞(𝑏) (km)	Mass (𝑀⊙)
SAX J1808.4-3658 (SS1)	8.672542	7.07	0.465	0.023	0.199	3.478	1.5295
SAX J1808.4-3658 (SS2)	7.789341	6.35	0.576	0.016	0.247	3.883	1.3739
Her. X-1	9.445343	7.7	0.518	0.026	0.222	3.296	1.6658
4U 1820-30	12.266679	10	0.233	0.019	0.099	4.920	2.1633