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1,000 days of infrared wonders

Date:
April 16, 2012
Source:
Harvard-Smithsonian Center for Astrophysics
Summary:
For the last 1,000 days the Infrared Array Camera, aboard NASA's Spitzer Space Telescope, has been operating continuously to probe the universe from its most distant regions to our local solar neighborhood. The IRAC "warm" program began once Spitzer used up its liquid helium coolant, thus completing its "cold" mission.

Space tornado. IRAC not only probes what is known - it also has uncovered some mysterious objects like this so-called "tornado" nebula. Because the camera is sensitive to light emitted from shocked molecular hydrogen (seen here in green), astronomers think that this strange beast is the result of an outflowing jet of material from a young star that has generated shock waves in surrounding gas and dust.
Credit: NASA / JPL-Caltech / J. Bally (University of Colorado)

For the last 1000 days the Infrared Array Camera (IRAC), aboard NASA's Spitzer Space Telescope, has been operating continuously to probe the universe from its most distant regions to our local solar neighborhood. The IRAC "warm" program began once Spitzer used up its liquid helium coolant, thus completing its "cold" mission. To commemorate 1000 days of infrared wonders, the program is releasing a gallery of the 10 best IRAC images.

"IRAC continues to be an amazing camera, still producing important discoveries and spectacular new images of the infrared universe," said principal investigator Giovanni Fazio of the Harvard-Smithsonian Center for Astrophysics.

The warm-mission images particularly highlight the continuing capabilities of Spitzer. Indeed, NASA's Senior Review Panel has recommended extending the Spitzer warm mission through 2015. They specifically commended the Spitzer team for telescope improvements that have made it a powerful instrument for science, especially in exoplanet studies.

IRAC is sensitive to infrared light -- light beyond the red end of the visible spectrum. It can image nebulae of cold dust, peer inside obscured dust clouds where new stars are forming, and detect faint emissions from very distant galaxies.

During its 1000-day undertaking, IRAC used its two shortest-wavelength infrared sensors. However, some of the images include data collected during the cold mission, when all four of its infrared sensors could function.

More images: http://www.cfa.harvard.edu/news/2012/pr201211_images.html


Story Source:

The above story is based on materials provided by Harvard-Smithsonian Center for Astrophysics. Note: Materials may be edited for content and length.


Cite This Page:

Harvard-Smithsonian Center for Astrophysics. "1,000 days of infrared wonders." ScienceDaily. ScienceDaily, 16 April 2012. <www.sciencedaily.com/releases/2012/04/120416113111.htm>.
Harvard-Smithsonian Center for Astrophysics. (2012, April 16). 1,000 days of infrared wonders. ScienceDaily. Retrieved October 1, 2014 from www.sciencedaily.com/releases/2012/04/120416113111.htm
Harvard-Smithsonian Center for Astrophysics. "1,000 days of infrared wonders." ScienceDaily. www.sciencedaily.com/releases/2012/04/120416113111.htm (accessed October 1, 2014).

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