Open Access

Table 2.

Main frequencies detected.

Object Type Sp.Typ. Main frequencies
IGR J00370+6122 SGXB BN0.7Ib None significant
2S 0114+650 SGXB B1Iae None significant
Vela X-1 SGXB B0.5Iae Weak peak at 0.22 d−1 (S/N: 5)
Cen X-3 SGXB O6-7II-III Strong peak at 0.96 d−1 (S/N: 26 – 38)
1E 1145.1-6141 SGXB B2Iae None significant
4U 1538–522 SGXB B0.2Ia Peak at 0.535 d−1 (S/N: 10)
4U 1700–377 SGXB O6Ia Peak at 0.586 d−1 (S/N: 6 – 10)
Cyg X-1 SGXB O9.7Iab Weak peak at 0.36 d−1 (S/N: 5 – 9)

IGR J08408–4503 SFXT O8.5Ib-II Weak peak at 0.27 d−1 (S/N: 5 – 8)
IGR J11215–5952 SFXT B1Ia None significant
IGR J16465–4507 SFXT B0.5-1Ib Very strong peak at 7.37 d−1 + harmonics
XTE J1739-302 SFXT O8Iab None significant

RX J0146.9+6121 BeXB B1IIIe Frequency groups around 1.5 and 2.9 d−1
X Per BeXB B1Ve Various groups around 1.2, 1.7, 2.88 and 3.6 d−1
4U 1036–56 BeXB B0III-Ve Weak peak at 4.9 d−1 (S/N: 5)
4U 2206+543 BeXB O9.5Ve Weak peak at 6.15 d−1 (S/N: 6)

XTE J0421+560 sgB[e] B0/2I[e] Strong peak at 2.46 d−1 (S/N: 18–30)

4U 1954+319 sg(M) MI Main peak at 4.2 d−1 with variable amplitude

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