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| NASA/JPL-Caltech/R. Kennicutt (University of Arizona) and the SINGS Team |
NGC 2976
The nearby galaxy NGC 2976, located approximately 10 million light-years away in the constellation Ursa Major near the Big Dipper, was captured by the Spitzer Infrared Nearby Galaxy Survey (SINGS) Legacy Project using the telescope's Infrared Array Camera (IRAC). Unlike other spiral galaxies where the star-forming and dusty regions highlight spiral arms, this galaxy has a rather chaotic appearance.
As the "glowing" red emission maps out, Spitzer is able to pierce through dense clouds of gas and dust that comprise the spiral disk, revealing new star formation that is driving the evolution of the galaxy.
The SINGS image is a four channel false color composite, where blue indicates emission at 3.6 microns, green corresponds to 4.5 microns, and red to 5.8 and 8.0 microns. The contribution from starlight (measured at 3.6 microns) in this picture has been subtracted from the 5.8 and 8 micron images to enhance the visibility of the dust features.
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| About the Object (1) | | Object name: | NGC 2976 | | Object type: | Spiral galaxy | | Position (J2000): | RA: 09h 47m 15.40s Dec: 67° 54' 59.00" | | Distance: | 10 million light-years | | Constellation: | Ursa Major |
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About the Data
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Spitzer Data
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| Image Credit: | NASA/JPL-Caltech/R. Kennicutt (University of Arizona) and the SINGS Team | | Instrument: | IRAC | | Wavelength: | 3.6 (blue), 4.5 (green), 5.8-8.0 (red) microns | | Image scale: | 7.9x7.9 arcmin | | Orientation: | North is 149 deg CCW from up | | Release Date: | 2005/09/15 |
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Observers
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Robert Kennicutt, Principal Investigator (Steward Observatory, University of Arizona)
Lee Armus (Spitzer Science Center, Caltech)
Brent Buckalew (Caltech)
George Bendo (Steward Observatory, University of Arizona)
Daniela Calzetti (Space Telescope Science Institute)
Daniel Dale (University of Wyoming)
Bruce Draine (Princeton University)
Charles Engelbracht (Steward Observatory, University of Arizona)
Karl Gordon (Steward Observatory, University of Arizona)
George Helou (Caltech)
David Hollenbach (NASA Ames Research Center)
Thomas Jarrett (Caltech)
Lisa Kewley (University of Hawaii)
Claus Leitherer (Space Telescope Science Institute)
Aigen Li (University of Missouri-Columbia)
Sangeeta Malhotra (Space Telescope Science Institute)
Helene McLaughlin (Space Telescope Science Institute)
Martin Meyer (Space Telescope Science Institute)
Eric Murphy (Yale University)
Michael Regan (Space Telescope Science Institute)
George Rieke (Steward Observatory, University of Arizona)
Marcia Rieke (Steward Observatory, University of Arizona)
Helene Roussel (Spitzer Science Center, Caltech)
Kartik Sheth (Caltech)
John-David Smith (Steward Observatory, University of Arizona)
Michele D. Thornley (Bucknell University, Space Telescope Science Institute)
Fabian Walter (MPIA Heidelberg) |
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