OSIRIS and Odin Mission Extended

Press Release From: Canadian Space Agency
Posted: Thursday, May 22, 2003

Swedish Satellite Mission Prolonged for One More Year

Saint-Hubert, May 22, 2003 - The Canadian Space Agency today announced that the OSIRIS instrument (Optical Spectrograph and InfraRed Imager System), flying onboard Swedish satellite Odin, will keep providing detailed data relating to ozone depletion for one more year, as the satellite and instruments, including an advanced radiometer for microwave radiation, are still functional after having completed their 2 year initial mission.

The OSIRIS instrument, built by Routes AstroEngineering Ltd. from Ottawa, Ontario, started sending scientific data back to Earth in May 2001. These measurements are key to the research done by the Canadian atmospheric science team headed by Dr. E.J. (Ted) Llewellyn of the University of Saskatchewan. Data provided by OSIRIS also helps validate the measurements made by other satellites such as the European Space Agency's ENVISAT. Furthermore, NASA recently asked to use information provided by OSIRIS to validate data from its upcoming AURA mission. AURA, planned to launch in 2004, will be part of NASA's Earth Observing System (EOS) and will study the Earth's ozone, air quality and climate.

Odin was sent into orbit in February 2001 on a double scientific mission -- to study ozone depletion in the Earth's atmosphere and to search for water and oxygen in interstellar space. This unique satellite can observe stars with great accuracy and can also scan the Earth's atmosphere at various altitudes. In order to switch from astronomy to an aeronomy mode, the satellite is reoriented by using a 3 axes stabilization system to control the pointing direction.

The CSA's contribution to the Odin mission totals approximately $15 million including some $7 million for the development of the OSIRIS instrument.

About Routes AstroEngineering Ltd.

Routes AstroEngineering Ltd. is a privately owned Canadian advanced technology company specialized in the design and fabrication of instruments and subsystems for space science applications, including Space Transport System (STS) and International Space Station (ISS) payload. AstroEngineering performs complete systems design, including mechanical, thermal, and optical elements, it is located in Ottawa, and was established in 1988.

About the Canadian Space Agency

Established in 1989 with its headquarters situated in Saint-Hubert, Quebec, the Canadian Space Agency coordinates all aspects of the Canadian Space Program. Through its Space Knowledge, Applications and Industry Development business line, the CSA delivers services involving: Earth and the Environment; Space Science; Human Presence in Space; Satellite Communications; Space Technology; Space Qualification Services; Space Awareness and Education. The Canadian Space Agency is at the forefront of the development and application of space knowledge for the benefit of Canadians and humanity.

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For more information on the Odin project, please visit:

For more information:

Monique Billette
Senior Media Relations Officer
Canadian Space Agency
(450) 926-4370

Dr. W.F. (Tory) Payne
Routes AstroEngineering Ltd
(613) 592 0748 ext 105

Dr. E.J. (Ted) Llewellyn
University of Saskatchewan
(306) 966-6441

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