Source Category Period Duty Cycle DM |b| Linear Circular Steep Optical X-ray Comment Citation
GCRT J1745-3009 GCRTs 77 min 13 – 0.5 Yes Yes Yes No No “cosmic burper” Hyman et al. (2005), Hyman et al. (2007), Roy et al. (2010), Kaplan et al. (2008)
GCRT J1746-2757 GCRTs – – – 0.4 ? ? ? No No   Hyman et al. (2002)
GCRT J1742-3001 GCRTs – – – 0.1 ? ? Yes No No   Hyman et al. (2009)
ASKAP J173608.2-321635 GCRTs – – – 0.0 Yes Yes Yes No No   Z. Wang et al. (2021)
CHIME J0630+25 LPTs 7 min 0.6 23.0 7.0 ? ? Yes No No   Dong et al. (2025)
GLEAM-X J162759.5-423504.3 LPTs 18 min 4 57.0 3.0 Yes No Yes No No   Hurley-Walker et al. (2022), Rea et al. (2022)
GPM J1839-10 LPTs 21 min 10 274.0 2.0 Yes No Yes No No Pb=8.8 h Hurley-Walker et al. (2023),Horvath et al. (2025)
ASKAP/DART J1832-0911 LPTs 44 min 6 458.0 0.1 Yes Yes Yes No Pulsed   Z. Wang et al. (2025), Li et al. (2024)
ASKAP J1935+2148 LPTs 54 min <1 146.0 0.7 Yes Yes Yes No No Mode switching Caleb et al. (2024)
ASKAP J175534.9-252749.1 LPTs 70 min 2 710.0 0.1 Yes Yes Yes No No   Dobie et al. (2024) ,McSweeney et al. (2025)
ASKAP J1839-0756 LPTs 6.5 h 2 188.0 1.0 Yes Yes Yes No No Interpulse Lee et al. (2025)
SDSS J230641.47+244055.8 Magnetic WD Binary 1.5 min ? – 32.0 ? ? ? WD+M4 No Pb=3.5 h Castro Segura et al. (2025)
AR Sco Magnetic WD Binary 2 min 50 – 19.0 Weak Yes No WD+M5 Pulsed Pb=3.6 h Marsh et al. (2016), Stanway et al. (2018)
J191213.72-441045.1 Magnetic WD Binary 5 min <1 – 22.0 ? ? ? WD+M4.5 Pulsed Pb=4.0 h Pelisoli et al. (2023)
CHIME/ILT J163430+445010 Magnetic WD Binary 14 min 1.2 25.0 42.6 Yes Yes ? WD+? No Pb=1.2 h or 0.6 h Bloot et al. (2025), Dong et al. (2025)
ASKAP J1448-6856 Magnetic WD Binary 1.5 h 25 – 8 Yes Yes Yes Hot Yes   Anumarlapudi et al. (2025)
ILT J1101+5521 Magnetic WD Binary 2.1 h 2 – 55.0 Yes No Yes WD+M4.5 No Pb=2.1 h de Ruiter et al. (2025)
GLEAM-X J0704-37 Magnetic WD Binary 2.9 h 0.004 36.0 13.0 Yes Yes Yes (WD?)+M3 No Most likely interpretation Hurley-Walker et al. (2024), Rodriguez (2025)
PSR J0311+1402 Pulsar 41 s 1 19.9 37.0 Weak Weak Yes No – Neutron star Y. Wang et al. (2025)
PSR J0901-4046 Pulsar 1 min 1 52.0 4.0 Yes Yes Yes No No Neutron star Caleb et al. (2022)

Also see LPT Catalogue for a related sample with further details.

Contact David Kaplan with corrections or updates.