nsagrav 3 .05 10. nsagrav add 0 logTeff K 6.0 5.5 5.5 6.5 6.5 .001 NSmass Msun 1.4 0.3 0.3 2.5 2.5 .001 NSrad km 10.0 6.0 6.0 20. 20. .001