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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


INTEGRAL TOO observations of the magnetar SGR 1935+2154
(April 15, 2015)


INTEGRAL TOO observations of SAX J1748.8-2021 in NGC 6440
(February 20, 2015)


Happy Birthday INTEGRAL
(October 17, 2014)


SN2014J: INTEGRAL catches dead star exploding in a blaze of glory
(August 27, 2014)

Integral in orbit

Latest News
Proceedings of the 10th INTEGRAL Workshop Available Online (26 Mar 2015)
The Proceedings of the 10th INTEGRAL Workshop: A Synergistic View of the High-Energy Sky held 15-19 September 2014 in Annapolis, MD is now available online via Proceedings of Science.
  • 13th INTEGRAL Announcement of Opportunity (09 Mar 2015)
    ESA Director of Science and Robotic Exploration (Prof. Alvaro Gimenez) has released the 13th Announcement of Opportunity for observing proposals with INTEGRAL. The deadline for proposal submission is April 17, 2015. Additional information can be found on the ESA INTEGRAL website and on the "Proposals and Tools" page of the NASA INTEGRAL GOF.
  • INTEGRAL orbit change in January and February 2015 to foster a safe disposal by 2029 (16 Jan 2015)
    A side effect of the orbit change is that INTEGRAL will no longer have revolutions of 3 sidereal days. Instead, one aims at implementing a scheme of 3 revolutions in 8 days. See ISOC news web page for details.
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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 March 25, 2015 public data release (Rev 1387).

  • The next scheduled public data release is April 10, 2015.

    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.