NGC2442 in Volans

NGC2442 in Volans

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Description

NASA Astronomical Picture of the Day, March 15, 2007

 

http://antwrp.gsfc.nasa.gov/apod/ap070315.html

 
 
NGC2442 is a barred (SBbc) spiral  galaxy in Volans with a visual magnitude of  10.4 at Right Ascension (2000.0): 07:36:19.0 and Declination (2000.0): -69:31:30.  It is approximately 5x6 arcminute.  In this image, North is toward the upper left, East is to the lower left  The field is approx. 10 x 10 arcmin.

 

There is an image of NGC2442 from the Anglo-Australian Telescope at:

 

 

http://www.aao.gov.au/images/captions/aat098.html
It is thought that the distorted structure of NGC2442 arose from an interaction with a dwarf galaxy in the same group.  Star forming regions are prevalent throughout the arms, but are concentrated in the northern spiral arm and tend to avoid the bar.  The nucleus is rapidly rotating.  This galaxy is not experiencing strong starburst.  This galaxy was a commissioning target of the Spitzer Space Telescope.  

Image Date: 01/21/2007
Details: Exposure Time: 40 min L; 1 hour each R,G,B
Camera: Apogee  U47
Telescope: RC Optical  16 inch f/11.3
Mount: Software Bisque  Paramount ME

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