LOFAR Discovery of a 23.5 s Radio Pulsar
LOFAR Discovery of a 23.5 s Radio Pulsar
We present the discovery of PSR J0250+5854, a radio pulsar with a spin period of 23.5 s. This is the slowest-spinning radio pulsar known. PSR J0250+5854 was discovered by the LOFAR Tied-Array All-Sky Survey (LOTAAS), an all-northern-sky survey for pulsars and fast transients at a central observing frequency of 135 …