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M 59

Elipticna galaksija - Elliptical Galaxy M59 (NGC 4621), type E5, in virgo

Rektascenzija 12 : 42.0 (u:m)
Deklinacija +11 : 39 (sto:m)
Razdalja 60000 (*1000 sv.l.)
Vizual. magnituda 9.6 (mag)
Zorni kot 5x3.5 (loc min)

M59 is a member of the Virgo cluster of galaxies, and one of the larger elliptical galaxies there, although it is considerably less luminous and massive than the greatest ellipticals in this cluster, M49, M60 and, above all, M87. It is quite flattened: Various sources give values of its ellipticity as E3-E5 (the present author estimates E5, i.e. its larger axis is about double as long as its shorter one, but our values for its dimension are closer to E3). At an assumed distance of 60 million light years, its longer axis of 5 arc minutes corresponds to almost 90,000 light years linear extension. According to W.E. Harris' list, M59 has a system of 1900 +/- 400 globular clusters, considerably less than the three giants listed above, but still an order of magnitude more than our Milky Way Galaxy.

In our image, M59 is the elongated elliptical in the lower left, while in the right are M60 and its companion NGC 4647, and at the top is faint NGC 4638, an elliptical with photographic mag 12.2. Bill Arnett provides two images of M59 in his DSSM collection:

  • Vec posnetkov M59

    Povzeto po:
    Hartmut Frommert (spider@seds.org)
    Christine Kronberg (smil@lrz.uni-muenchen.de)

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