Persistent Signal Catalog · Class II
ASKAP J1935+2148
A long-period radio transient discovered in ASKAP imaging and followed up with MeerKAT. Its three observed emission states make it a useful public comparison case for cadence, polarization, nulling, and source-class restraint.
A long-period radio transient discovered in ASKAP imaging and followed up with MeerKAT. Its three observed emission states make it a useful public comparison case for cadence, polarization, nulling, and source-class restraint.
Public packet
- 53.8-minute phase-connected timing solution
- three-state emission behavior summary
- polarization and rotation-measure note
- X-ray and infrared counterpart search abstract
Review controls
- Coordinate source
- Nature Astronomy localization: RA 19h35m05.126s, Dec +21d48m41.047s
- Uncertainty
- ASKAP localization reported at about 1.5 arcsec; MeerKAT pulse position consistent
- Release state
- External literature case retained for comparison
- Marker use
- interferometric long-period radio transient position
Processing notes
- 10-second imaging transient extraction
- ASKAP and MeerKAT time-of-arrival comparison
- polarization and rotation-measure review
- multi-wavelength counterpart non-detection ledger
Ordinary-source checks
- nearby magnetar field proximity retained but not treated as association
- X-ray and infrared counterpart searches summarized from source literature
- white-dwarf and neutron-star interpretations remain unresolved
Release limits
- emission states are reported without assigning mechanism
- public packet uses published timing and localization only
- no live monitoring schedule is exposed