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XL-Calibur Popular News Summaries

  1. The Flight of X-Calibur: Testing Neutron Stars’ Mettle
    Lucibella, M, The Antarctic Sun, United States Antarctic Program (23 Jul 2019)
  2. Supsersize me: Physicists awarded $3.3M for XL-Calibur telescope
    Ogliore, T, the ampersand, Washington University at St. Louis (12 Dec 2019)
  3. XL-Calibur telescope to examine the most extreme objects in the universe: black holes and neutron stars
    Ballard, S, the ampersand, Washington University at St. Louis (16 Sep 2021)
  4. XL-Calibur telescope launched to study black holes
    Ogliore, T, The Source, Washington University at St. Louis (09 Jul 2024)

Latest News

08 Aug 2025

The XL-Calibur archive opens at the HEASARC for the initial data release. The HEASARC currently holds event and spectra data, with calibration data slated to be released in a future update.

19 Mar 2025

Publication of the first results from the 2024 XL-Calibur observations of the Crab Nebula and Pulsar.

14 Jul 2024

The XL-Calibur mission concluded a 6-day long flight, terminating close to Kugluktuk, Nunavut, Canada. During the flight, XL-Calibur successfully gathered 4 days of observational data.

09 Jul 2024

The XL-Calibur balloon from NASA was successfully launched at 05:04 local time on the 9th of July from Esrange Space Center (Sweden). The flight is expected to last 4-5 days and it is possible to follow its journey across the Atlantic before landing in northern Canada.

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