On 2/9/24, Astrophysical Journal published online “First detection of polarization in X-rays for PSR B0540-69 and its nebula” by Fei Xie et al. On 2/21/24, Astrophysical Journal published online “Detection of X-ray polarization from the blazar 1ES 1959+650 with the Imaging X-ray Polarimetry Explorer” by Manel Errando et al. These are the 49th and 50th discovery papers published by the IXPE Science Team.
