XMM-Newton Detection of X-Ray Emission from the Metal-polluted White Dwarf G 29-38

A recent analysis of Chandra X-ray data the metal-polluted white dwarf (WD) G29-38 has revealed emission that can be attributed to accretion debris from a planetary body. In light this detection we revisit here archival XMM-Newton observations which only an upper limit was derived in past due presence relatively bright nearby source. An these multiple energy bands allows disentangling at location The similar spectral properties source and their spatial shift, consistent with proper motion between observations, strengthen origin G29-38. luminosities both are within 1-$\sigma$ uncertainties, so too best-fit plasma temperatures. Although count number is small, there tantalizing evidence for line 0.7-0.8 keV band optically-thin hot plasma. most likely candidate would Fe complex 16 \r{A}.