Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  M 106  ·  NGC 4248  ·  NGC 4258
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M106, Jens Andersen Dolmer
M106
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M106

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M106, Jens Andersen Dolmer
M106
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M106

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Description

Messier 106 (M106) is a spiral galaxy located in the constellation Canes Venatici, the Hunting Dogs. M106 lies at a distance of 23.7 million light years from Earth and has an apparent magnitude of 9.1. It has the designation NGC 4258 in the New General Catalogue.

Messier 106 occupies an area of 18.6 by 7.2 arc minutes of apparent sky, corresponding to a spatial diameter of 135,000 light years. It is similar in size and luminosity to the Andromeda Galaxy (M31) and is one of the brightest, largest nearby galaxies. The galaxy has a thin, slightly warped disk that appears almost edge-on. The disk surrounds the galaxy’s central region.Messier 106 is classified as a SABbc type galaxy, which means that it is an intermediate between a normal and barred spiral galaxy. It is home to at least 400 billion stars.Messier 106 is also classified as a Seyfert II galaxy. It has a considerably larger extent in radio than in visible light and exhibits emission line spectra from the nucleus. M106 shows unusual emission lines and X-rays, indicating that a portion of the galaxy is falling into a central supermassive black hole.

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M106, Jens Andersen Dolmer