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Young, massive, and mysterious

19 Jan 2020, 22:58 UTC
Young, massive, and mysterious
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This guest post was written by Hannah Dalgleish, PhD student at Liverpool John Moores University, UK. She works on star cluster kinematics in radio and optical wavelengths. In her spare time she is a passionate advocate of outreach and science communication, and maintains a website listing many opportunities in astrophysics.
Title: The young massive star cluster Westerlund 2 observed with MUSE. I. First results on the cluster internal motion from stellar radial velocitiesAuthors: Peter Zeidler, Elena Sabbi, Antonella Nota, Anna Pasquali, Eva K. Grebel, Anna Faye McLeod, Sebastian Kamann, Monica Tosi, Michele Cignoni, Suzanne RamseyFirst Author’s Institution: Space Telescope Science InstituteStatus: Published in The Astronomical Journal, 2018 October 18 [open access]

What are young massive clusters, and where can we find them?Star clusters are all around us, from ancient globular clusters, to younger open clusters, and even nuclear star clusters – but what is a young massive cluster (YMC)? Like other star clusters, YMCs are gravitationally bound stellar systems. What makes them unique is that they are young (~100 million years old) and massive (typical solar masses greater than 104). To make things even more confusing, YMCs in other galaxies are called super star clusters [there’s an astrobites post about ...

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