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Anomalous Arms: Spiral Galaxy M106
Ssc2007 06a

Credit: X-ray: NASA/CXC/Univ. of Maryland/A.S. Wilson et al.; Optical: Palomar Observatory. DSS; IR:NASA/JPL-Caltech; VLA: NRAO/AUI/NSF

Observation • April 10th, 2007 • ssc2007-06a


In this composite image of spiral galaxy M106 (NGC 4258), optical data from the Digitized Sky Survey is shown as yellow, radio data from the Very Large Array appears as purple, X-ray data from Chandra is coded blue, and infrared data from the Spitzer Space Telescope appears red. Two anomalous arms, which aren't visible at optical wavelengths, appear as purple and blue emission.

About the Object

Messier 106M106NGC 4258
Galaxy > Type > Spiral
Galaxy > Component > Spiral Arm
23,500,000 Light Years

Color Mapping

Band Wavelength Telescope
X-ray 1.5 keV Chandra ACIS
Optical 440 nm DSS
Infrared 8.0 ┬Ám Spitzer IRAC
Radio 21.0 cm VLA


Position (J2000)
RA =12h 18m 57.6s
Dec = 47° 18' 32.9"
Field of View
9.3 x 7.8 arcminutes
North is 23.6° right of vertical