2 CXC hips service ivo://cxc.harvard.edu/hips Chandra X-ray Observatory Chandra X-ray Center Chandra Data Archive, Chandra X-ray Center

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archelp@cfa.harvard.edu X-ray astronomy galaxies quasars stars X-ray photometry spectroscopy variability The Chandra X-ray Observatory Data Archive provides a reference survey via the HiPS protocol. For detailed information on the Chandra Observatory and datasets see: https://cxc.harvard.edu/ for general Chandra information; https://cxc.harvard.edu/cda/ for the Chandra Data Archive; https://cxc.harvard.edu/csc/ for Chandra Source Catalog information. https://cxc.harvard.edu/cda/ Archive Research University Community College derived-from Chandra Data Archive https://cdaftp.cfa.harvard.edu/hipslist