Ralph Kraft
Smithsonian Astrophysical Observatory
12 papers found
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Powerful Radio Sources in the Southern Sky. III. First Results of the Optical Spectroscopic Campaign
Download from doi.orgPowerful Radio Sources in the Southern Sky. II. A Swift X-Ray Perspective
Download from doi.orgX-ray polarization evidence for a 200-year-old flare of Sgr A*
UploadClG 0217+70: A massive merging galaxy cluster with a large radio halo and relics
Download from doi.orgChandra Observations of the Spectacular A3411–12 Merger Event
UploadX-Ray Properties of SPT-selected Galaxy Clusters at 0.2 < z < 1.5 Observed with XMM-Newton
UploadWide-field Optical Spectroscopy of Abell 133: A Search for Filaments Reported in X-Ray Observations
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