384
5 X-ray Pulsar-Based Navigation: Theories and Experiments
Fig. 5.30 Structural shape and payload configuration of XPNAV-1
Table 5.6 Relevant parameters of eight candidate observation objects
Number PSR
Number
Angular position at
J2000.0 (deg)
Pulse period
(ms)
Photon flux
(ph/cm 2 /s)
Notes
Right
ascension
Declination
1
B0531+21
83.63303
22.01449
33.46
1.54 × 10 0
Crab, RP
2
B1509-58
228.48175 −59.13583 150.66
1.62 × 10 −2 RP
3
J1846-0258 281.60392
−2.97503 325.68
6.03 × 10 −3 RP
4
B0540-69
85.04668 −69.33171
50.50
5.15 × 10 −3 RP
5
B1617-155 244.979
−15.640
3.20
4.19 × 10 1
XB, Sco X-1
6
J1744-28
266.138
−28.741
467.05
3.80 × 10 1
XB, GRO
7
B1758-250 270.284
−25.079
3.00
3.74 × 10 0
XB
8
B1813-140 274.006
−14.036
3.30
2.10 × 10 0
XB
5 X-ray Pulsar-Based Navigation: Theories and Experiments
Fig. 5.30 Structural shape and payload configuration of XPNAV-1
Table 5.6 Relevant parameters of eight candidate observation objects
Number PSR
Number
Angular position at
J2000.0 (deg)
Pulse period
(ms)
Photon flux
(ph/cm 2 /s)
Notes
Right
ascension
Declination
1
B0531+21
83.63303
22.01449
33.46
1.54 × 10 0
Crab, RP
2
B1509-58
228.48175 −59.13583 150.66
1.62 × 10 −2 RP
3
J1846-0258 281.60392
−2.97503 325.68
6.03 × 10 −3 RP
4
B0540-69
85.04668 −69.33171
50.50
5.15 × 10 −3 RP
5
B1617-155 244.979
−15.640
3.20
4.19 × 10 1
XB, Sco X-1
6
J1744-28
266.138
−28.741
467.05
3.80 × 10 1
XB, GRO
7
B1758-250 270.284
−25.079
3.00
3.74 × 10 0
XB
8
B1813-140 274.006
−14.036
3.30
2.10 × 10 0
XB