HEASARC Staff Scientist Position - Applications are now being accepted for a Staff Scientist with significant experience and interest in the technical aspects of astrophysics research, to work in the High Energy Astrophysics Science Archive Research Center (HEASARC) at NASA Goddard Space Flight Center (GSFC) in Greenbelt, MD. Refer to the AAS Job register for full details.

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Apr 15, 2020 : HaloSat Archive Opens

HaloSat is a CubeSat mission launched on May 21, 2018 from the Mid-Atlantic Spaceport on Wallops Island, Virginia, and deployed from the International Space Station on July 13, 2018. Regular science observations would map the entire sky in a series of roughly three hundred wide field-of-view observations. This provides a full sky mapping of emissions at X-ray wavelengths of hot gas in the galactic halo.

Regular science operations commenced in October, 2018. In September 2019, the mission was extended to allow additional pointings, further science objectives, and longer duration acquisitions for some target fields.

All observations collected during the HaloSat first year of operations are part of the public archives at HEASARC, and the archive became open on April 15, 2020.

HaloSat observations after the first year of operations

The HaloSat archive contains all information, data, and calibration information necessary for download and analysis of the HaloSat data. The data include housekeeping, spectra, filtered and unfiltered data, and satellite attitude information. The trend data also provides TLE (two line elements) orbital characteristics.

Users guides for the data analysis, calibration information and archive are available from these HaloSat web pages. For any questions or help with the data, users may contact the HaloSat help line at: heasarc-hd@bigbang.gsfc.nasa.gov.