Source Category Period Duty Cycle (%) DM |b| Linear Circular Steep Optical X-ray Coordinates Comment Citation
GCRT J1745-3009 GCRTs 77 min 13 – 0.5 No Yes Yes No No 17:45:05.15 -30:09:52.7 “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 17:46:09.8 -27:57:14   Hyman et al. (2002)
GCRT J1742-3001 GCRTs – – – 0.1 ? ? Yes No No 17:42:04.67 -30:01:44.5   Hyman et al. (2009)
ASKAP J173608.2-321635 GCRTs – – – 0.0 Yes Yes Yes No No 17:36:08.19 -32:16:35.0   Z. Wang et al. (2021)
CHIME J0630+25 LPTs 7 min 0.6 23.0 7.0 ? ? Yes No No 06:30:43 23:25:14   Dong et al. (2025)
GLEAM-X J162759.5-423504.3 LPTs 18 min 4 57.0 3.0 Yes No Yes No No 16:27:59.5 -52:35:04.3   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 18:39:02.00 -10:31:49.4 Pb=8.8 h Hurley-Walker et al. (2023),Horvath et al. (2025)
ASKAP J142431.2-612611 LPTs 36 min 5 <1400 0.5 Yes Yes Yes No No 14:24:32 -61:26:11   Pritchard et al. (2026)
ASKAP/DART J1832-0911 LPTs 44 min 6 458.0 0.1 Yes Yes Yes No Pulsed 18:32:49.46 -09:11:15.3   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 19:35:05.175 21:48:41.504 Mode switching Caleb et al. (2024)
ASKAP J175534.9-252749.1 LPTs 70 min 2 710.0 0.1 Yes Yes Yes No No 17:55:34.9 -25:27:49.1   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 18:39:50.57 -07:56:39.17 Interpulse Lee et al. (2025)
SDSS J230641.47+244055.8 Magnetic WD Binary 1.5 min ? – 32.0 ? ? ? WD+M4 No 23:06:41.47 24:40:55.8 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 16:21:47.28 -22:53:10.4 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 19:12:13.72 -44:10:45.1 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 16:34:29.96 44:50:13.5 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   14:48:34.29 -68:56:44.1 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 11:01:50.51 55:21:20.0 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 07:04:13.19 -37:06:14.58 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 – 03:11:18.59 14:02:20.49 Neutron star Y. Wang et al. (2025)
PSR J0901-4046 Pulsar 1 min 1 52.0 4.0 Yes Yes Yes No No 09:01:29.249 -40:46:02.984 Neutron star Caleb et al. (2022)

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

Contact David Kaplan with corrections or updates.