Ultraluminous X-ray Pulsar (ULXP) Catalogue (from Chandra et al. 2020)














Name of ULX Host GalaxySpin period (s)Orbital period (days)Spin-up/downLX (1039 ergs s-1)Reference







M82 X-2 M82 1.37 ~ 2.5 Spin-up 4.9 1
NGC 7793 P13 NGC 7793 ~ 0.42 64 Spin-up ~ 10 2,3
NGC 5907 ULX NGC 5907 ~ 1.13 5.3 Spin-up ~ 100 4
NGC 300 ULX1 NGC 300 ~ 31.6 - Spin-up 4.7 5
Swift J0243.6+6124 Milky way ~ 9.86 ~ 27.6 Spin-up ~ 2 6
M51 ULX-7 M51 ~ 2.8 ~ 2 Spin-up ~ 10 7
NGC 1313 X-2 NGC 1313 ~ 1.5 - Spin-up ~ 20 8
RX J0209.6-7427 SMC ~ 9 - Spin-up ~ 1.6 9







1. Bachetti M., et al., 2014, Nature, 514, 202
2. Furst F., et al., 2016, The Astrophysical Journal Letters, 831, L14
3. Israel G., et al., 2017b, Monthly Notices of the Royal Astronomical Society: Letters, 466, L48
4. Israel G. L., et al., 2017a, Science, 355, 817
5. Carpano S., Haberl F., Maitra C., Vasilopoulos G., 2018, Monthly Notices of the Royal Astronomical Society: Letters, 476, L45
6. Wilson-Hodge C. A., et al., 2018, The Astrophysical Journal, 863, 9
7. Rodriguez Castillo G., et al., 2019, arXiv preprint arXiv:1906.04791
8. Sathyaprakash R., et al., 2019, Monthly Notices of the Royal Astronomical Society: Letters, 488, L35
9. Chandra A. D., Roy J., Agrawal P. C., Choudhury M., 2020, Monthly Notices of the Royal Astronomical Society, 495, 2664

Please cite Chandra et al. MNRAS, 495, 2664 (2020) if this table has been useful for your study. This online catalogue is a work in progress and will be updated in due course.