NGC 7332

NGC 7332 is an edge-on peculiar lenticular galaxy[1][3] located about 67 million light-years away.[2] It possesses a (peanut shell)-shaped bulge, associated with stellar bar.[4]

NGC 7332
NGC 7332 (2MASS near-infrared)
Observation data (J2000 epoch)
ConstellationPegasus
Right ascension22h 37m 24.5s[1]
Declination+23° 47′ 54″[1]
Redshift0.003909[1]
Helio radial velocity1197 ± 5 km/s[1]
Distance67.1 ± 11 Mly
(20.6 ± 3.4 Mpc)[2]
Apparent magnitude (V)12.0[1]
Characteristics
TypeS0 pec edge-on[1]
lenticular galaxy[3]
Apparent size (V)4.1' x 1.1'[1]

NGC 7332 and NGC 7339 form a dynamically isolated binary system (number 570 in the catalog of double galaxies compiled by Igor Karachentsev),[3] and are likely orbiting each other.[3] NGC 7332 is the brighter of the two galaxies.[3]

In the sky NGC 7339 lies 5' away from NGC 7332.[5] NGC 7332 is an unusually blue object with a corrected apparent B-magnitude of 11.5.[5] A 130mm to 200mm telescope will be needed to visually detect this pair of galaxies.[6] The two galaxies will appear at almost a right angle to one another.

NGC 7332 (SDSS DR14)

References
  1. "NASA/IPAC Extragalactic Database". Results for NGC 7332. Retrieved 2010-07-12.
  2. "Distance Results for NGC 7332". NASA/IPAC Extragalactic Database. Retrieved 2010-07-12.
  3. "NGC7332/7339". National Optical Astronomy Observatory (NOAO). Retrieved 2010-07-12.
  4. Bogdan C. Ciambur; Alister W. Graham (2016), Quantifying the (X/peanut)-shaped structure in edge-on disc galaxies: length, strength, and nested peanuts
  5. Fisher, David; Illingworth, Garth; Franx, Marijn (1994). "The dynamics and structure of the S0 galaxy NGC 7332". Astronomical Journal. 107 (1): 160–172. Bibcode:1994AJ....107..160F. doi:10.1086/116841.
  6. "Re: NGC 7332 and NGC 7339". Cloudy Nights Forum Archives (Deep Sky Observing). 2005-08-27. Retrieved 2010-07-12.


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.