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INTEGRAL U.S. Guest Observer Facility

The INTErnational Gamma-Ray Astrophysics Laboratory

INTEGRAL, was launched in October 2002 aboard a Russian Proton rocket,  and is providing a new insight into the most violent and exotic objects of the Universe,  such as neutron stars, active galactic nuclei and supernovae. INTEGRAL is also helping us to understand processes such as the formation of new chemical elements and the mysterious gamma-ray bursts, the most energetic phenomena in the Universe. Environments of extreme temperature and density, near the event-horizons of black holes, are a major topic of study with INTEGRAL.

These studies are possible thanks to INTEGRAL's combination of fine spectroscopy and imaging of gamma-ray emissions in the energy range of 15 keV to 10 MeV (using the SPI and IBIS instruments) and concurrent monitoring in the X-ray band (4-35 keV) using JEM-X, and in the optical (500-600 nm) band, using the OMC.

A project of the European Space Agency INTEGRAL, serves an international Guest Observer community. Participation by U.S. astronomers was supported by a Guest Observer Facility (GOF) at the NASA/Goddard Space Flight Center (GSFC) from the mission start until October 2010. Since then, the mirroring of the European INTEGRAL Public Data Archive into the HEASARC has been continued by the HEASARC.

INTEGRAL
Picture of the Month

Integral Picture of the Month

INTEGRAL News & Science Results


ESA missions team up to map cosmic rays across the solar system
(November 19, 2019)


Scientists get to the bottom of a 'spitting' black hole
(April 29, 2019)

Integral in orbit

Latest INTEGRAL News

  • INTEGRAL Entered Emergency Safe Attitude Mode (ESAM) (19 May 2020)
    On 16 May 2020 INTEGRAL entered Emergency Safe Attitude Mode following a Reaction Wheel Bias (RWB) maneuver. No science operations can be performed at this time. A more detailed accounting of this anomaly and updates can be found at the above link.
  • INTEGRAL AO-18 Preliminary Statistics (19 May 2020)
    ESA has released preliminary statistics for proposals submitted to INTEGRAL AO-18. A total of 52 proposals were received asking for approximately 70 Msec of observing time. A breakdown of proposals by source category can be found at the above link.
  • INTEGRAL AO-18 Proposal Deadline Postponed (30 Mar 2020)
    The INTEGRAL AO-18 proposal submission deadline has been postponed from Friday, 3 April to Monday, 4 May 14:00 CEST as result of the COVID-19 crisis. ESA will continue to follow developments closely and may provide additional updates in the next weeks, at the latest by Monday, 20 April.
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    INTEGRAL Picture of the Month archive
    Latest INTEGRAL Newsletter
    Latest ISDC Newsletter
    INTEGRAL News & Science Results
    INTEGRAL Publications (ESA list)

    INTEGRAL Public Data Archive Status
  • The HEASARC mirror to the INTEGRAL Public Data Archive now contains data through the May 10, 2020 public data release (Rev 2081) plus all data where the PI has allowed the data to be made public earlier than the 1 year proprietary period.

  • The next scheduled public data release is May 25, 2020.

    ISDC Public Data Release Schedule.

  • This page is intended for members of the scientific community. For members of the general public, or those interested in general astronomy/astrophysics information please go to our Education and Public Outreach site.