. 2024 Jul 14;14:16237. doi: 10.1038/s41598-024-65973-7

Table 5.

Physical parameters of the polytropic models for SAXJ1808.4-3658.

Model	$σ$	$ρ_{c}$ (10¹⁵)	P_c (10³⁵)	$ρ_{i}$ (10¹⁵)	P_i (10³⁵)	R_c (km)	R (km)	M (M_ʘ)
Model_SAX1	0.086	1.25	0.9745	$0.4210$	$0.1097$	3.163	9.3920	0.8686
Model_SAX2	0.095	1.5	1.2807	$0.4816$	$0.1320$	2.891	9.0060	0.8902
Model_SAX3	0.10	1.5	1.3482	$0.4689$	$0.1317$	2.853	9.1277	0.9230
Model_SAX4	0.12	2	2.1571	$0.5596$	$0.1689$	2.422	8.6593	0.9813