Web-Based Tools

These Web-based tools are designed to assist scientists in their proposal and general data analysis efforts. The HEASARC provides these tools as a service to the scientific community. [FTOOLS, a general FITS file utility programs and mission-specific data analysis tools can be found on the Software page].

General Tools

Multi-Mission Tools

  • Hera – Astronomical data analysis over the Internet
  • RPS – Remote Proposal System
  • Date/Time Converter (xTime) – Convert Fermi, RXTE, Suzaku, Swift, and XMM-Newton times to other time systems and formats, and vice versa
  • SkyView – The Internet's Virtual Telescope
  • Timeline Tool – Swift, RXTE and HETE-2 observation (as-flown) timelines
  • Viewing – Determine possible viewing times for missions and objects
  • WebPIMMS – Determine source flux or count rates
  • WebSpec – Simulate spectral data for missions/instruments

Cosmic Microwave Background Analysis Tools

Latest News
  • xTime tool updated (09 Apr 2018)
    Support for NICER has been added to xTime. Also, the RXTE mission day number time formats, which were really only used in mission planning, have been removed.
  • Viewing tool updated (14 Dec 2017)
    The Sun angle constraint for NuSTAR observations has been updated in the Viewing tool to be greater than 43 degrees. This reflects the change by the NuSTAR Science Operations Center to ensure stable pointing. This new, slightly more restrictive range applies to all future ToO requests and Cycle 4 proposals.
  • Viewing tool updated (22 Sep 2017)
    Swift's orbital pole constraints have been updated in the Viewing tool. The revised coefficients extrapolate the trend for the next year.
  • Viewing tool updated (12 Sep 2017)
    Support for XMM-Newton has been updated to work with the latest version of the ESA XMM-Newton Target Visibility Checker.
  • Viewing tool updated (23 Mar 2017)
    Swift's orbital pole constraints have been updated in the Viewing tool. The revised coefficients extrapolate the trend for the next year.

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