Barred Spiral Galaxy NGC 7640

Quote from Dreyer's New General Catalog (NGC):

"Considerably faint, large, moderately extended 164°, very little brighter middle, resolvable, but mottled."

Quote from The First Reference Catalog of Bright Galaxies:

"No definite nucleus. Bright middle. Foreshortened bar: 1.7x0.3 arc minutes (with dark lanes). Well resolved arms with faint outer extensions. Slightly asymmetric."

NGC 7640 is a barred spiral galaxy in Andromeda. A rough distance estimate for NGC 7640 is 19 Million Light Years, and at that distance its true diameter would be about 59,240 light years.

• NGC 7640
• Magnitude: 11.5
• Constellation: Andromeda
• RA: 23h 22m 06.6s
• Dec: +40° 50' 43" Epoch 2000
• Size (mins): 10.5' x 2.0'
• Classification: SB(s)c
                         Barred Spiral, S-shaped
  
  

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George Normandin, KAS

September 9th, 2001