NGC 4051

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NGC 4051 imaged by the Hubble space telescope

NGC 4051 is a spiral galaxy. It contains a supermassive black hole inside the center.

This galaxy was studied by the Multicolor Active Galactic Nuclei Monitoring 2m telescope.[1]

NGC 4051 imaged by GALEX

The galaxy is a Seyfert galaxy that emits bright X-rays. However, in early 1998 the X-ray emission ceased as observed in by the Beppo-SAX satellite.[2]


  1. ^ Suganuma, Masahiro; Yoshii, Yuzuru; Kobayashi, Yukiyasu; Minezaki, Takeo; Enya, Keigo; Tomita, Hiroyuki; Aoki, Tsutomu; Koshida, Shintaro; Peterson, Bruce A. (2006). "Reverberation Measurements of the Inner Radius of the Dust Torus in Nearby Seyfert 1 Galaxies". The Astrophysical Journal. The American Astronomical Society. 639 (1): 46–63. Bibcode:2006ApJ...639...46S. ISSN 0004-637X. arXiv:astro-ph/0511697Freely accessible. doi:10.1086/499326. 
  2. ^ "Now you se it ...". New Scientist (2145): 23. 1 August 1998. 

External links[edit]

Coordinates: Sky map 12h 03m 09.6s, +44° 31′ 55″