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Table 1.

Summary of the data used and derived PSD parameters for 4U 0142+61, 1A 0535+262, and GK Per.

Source 4U 0142+61 1A 0535+262 GK Per 1RXS J170849.0 1E 1841−045 PSR B1509-58
Obs.id 30001023003 90401370001 30101021002 30401023002 30001025012 40024001002
Lx, 1034 erg s−1 38.3 (a) 6.7 (b) 0.14 (c) 4.2 (d) 0.85 (d) ∼40 (e)
Exposure, ks 143 55 72 93 100 34
Count-rate, s−1 3.46 2.54 1.7 1.3 1.34 1.3
fbreak, Hz 0.115 9.662 × 10−3 2.849 × 10−3 9.08676 × 10−2 8.4825 × 10−2 6.59
Γ12 0.7/2.0 0.66(6)/1.89(6) 0.72(6)/2.30(7) 0.7/2.0 0.7/2.0 0.7/2.0
Anoise ≤2 × 10−3 0.37 ≤3 × 10−3 ≤4 × 10−4
Anoise/Apulse ≤0.35 220 ≤0.2 ≤0.17 ≤ 6−4

Notes.

(a)

Using fluxes reported in Weng & Göğüş (2015) and distance from Borges et al. (2020),

(e)

Chen et al. (2016). All uncertainties are reported at the 1σ confidence level.

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