Chandra X-ray Observatory (CXO) Advanced X-ray Astrophysics Facility (AXAF)

Below is a checklist of Chandra X-ray Observatory (CXO) / Advanced X-ray Astrophysics Facility (AXAF) postal items (stamps, souvenir sheets, aerogrammes, postal cards, etc.). Catalog numbers, years of issue, and notes on the satellites featured are given when available. If readers know of additional information or images, please contact the authors using the e-mail addresses at the bottom of this page

Farther below is a list of Chandra launch covers, anniversary-of-launch covers, and launch-related event covers.

For Chandra launch information see the other U.S. table on the astronomy satellites page.

^*Scott catalog number, unless prefixed with Mi or BL for Michel; "i" prefix denotes imperforate version.
^**FDC = first day cover; SS# = souvenir sheet, MS# = miniature sheet, where # = number of stamps in sheet, and the numbers in parentheses are the catalog numbers of the stamps in the sheet.

¹The Hubble Space Telescope (HST) is pictured, not Chandra/AXAF as noted in the text on this item.

Below is a list of Chandra launch covers, anniversary-of-launch covers, and launch-related event covers.

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