Very Long Baseline Interferometry Measured Proper Motion and Parallax of the $\gamma$-ray Millisecond Pulsar PSR J0218+4232

Yuanjie Du, Jun Yang, Robert M. Campbell +3

PSR J0218$+$4232 is a millisecond pulsar (MSP) with a flux density $\sim$ 0.9 mJy at 1.4 GHz. It is very bright in the high-energy X-ray and $\gamma$-ray domains. We conducted an astrom…