Authors: Hwang, U Szymkowiak, AE Petre, R Holt, SS

Citation: U. Hwang et al., Bulk X-ray Doppler velocities in the supernova remnant Cassiopeia A, ASTROPHYS J, 560(2), 2001, pp. L175-L179

Authors: Hwang, U Petre, R Holt, SS Szymkowiak, AE

Citation: U. Hwang et al., The thermal X-ray-emitting shell of Large Magellanic Cloud supernova remnant 0540-69.3, ASTROPHYS J, 560(2), 2001, pp. 742-748

Authors: Burrows, DN Michael, E Hwang, U McCray, R Chevalier, RA Petre, R Garmire, GP Holt, SS Nousek, JA

Citation: Dn. Burrows et al., The X-ray remnant of SN 1987A, ASTROPHYS J, 543(2), 2000, pp. L149-L152

Authors: Hwang, U Holt, SS Petre, R

Citation: U. Hwang et al., Mapping the X-ray-emitting ejecta in Cassiopeia A with Chandra, ASTROPHYS J, 537(2), 2000, pp. L119-L122