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Table 3

Periods detected in IGR J1955+0042.

Period Frequency Interpretation mode Amount
min c/d points

83.60 17.22478(40) orbital Hα RV cmp 303
83.5996 17.22497(40) orbital Hβ RV 303
83.65 17.224 (4) orbital Hγ RV 107
83.67 17.2(2) orbital WL fast 54 365
81.292 17.714(6) spin I-band phot 4658
81.296 17.713(5) spin V-band phot 2578
81.288 17.7146(3) spin WL phot 32 074
81.3 17.7(2) spin WL fast 54 365
1475.4 0.976(4) 2(spin-orb) I-band phot 4648
1473.9 0.977(3) 2(spin-orb) V-band phot 2578
3000 0.480(4) (spin-orb) I-band phot 4658
2926.8 0.492(6) (spin-orb) WL phot 32 074
82.7 17.42(28) X-ray
101.6 14. 2(3) X-ray

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