Mission Overview and Initial Observation Results of the X-Ray Pulsar Navigation-I Satellite

Table 1

Default targets’ angular positions and pulse periods.

Number	Pulsar name	J2000 right ascension (deg)	J2000 declination (deg)	Pulse period; (ms)
1	B0531+21 (Crab)	83.63303	22.01449	33.085
2	B1617-155 (Sco X-1)	244.979	−15.640	3.200
3	B1758-250	270.284	−25.079	3.000
4	B1813-140	274.006	−14.036	3.300
5	GROJ1744-28	266.138	−28.741	467.000
6	B0540-69	85.04668	−69.33171	50.499
7	B1509-58	228.48175	−59.13583	150.658
8	J1846-0258	281.60392	−2.97503	325.684