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The ATLAS3D project: Replacing the handle of Hubble's tuning fork

20 Jun 2011, 12:17 UTC
The ATLAS3D project: Replacing the handle of Hubble's tuning fork

A team of 25 astronomers from Europe and Northern America, including ASTRON astronomers Morganti, Oosterloo, and Serra, has shown that many galaxies, which are normally classified as spheroid galaxies according to the 70 year old Hubble classification scheme, are in fact spiral galaxies. The so-called ATLAS3D team observed a sample of 260 galaxies with the SAURON spectrograph on the 4.2-meter William Herschel Telescope on La Palma, which allowed them to determine the movements of the stars in these carefully selected galaxies.
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