PIA10204: Anomalous Arms
This composite image is of spiral galaxy M106 (NGC 4258); optical data from the Digitized Sky Survey is yellow, radio data from the Very Large Array is purple, X-ray data from Chandra is blue, and infrared data from the Spitzer Space Telescope is red.
 Target Name:  NGC 4258
 Mission:  Spitzer Space Telescope 
 Instrument:  IRAC 
 Product Size:  3000 x 2501 pixels (w x h) 
 Produced By:  California Institute of Technology 
 Full-Res TIFF:  PIA10204.tif (22.51 MB)
 Full-Res JPEG:  PIA10204.jpg (238.8 kB)  

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Original Caption Released with Image:

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.

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

Image Addition Date:
2007-12-18