2020-06-15|M59 (Galaxy Detectives) versus M64 (Black Eye Galaxy)

Dr. Meghan Gray

Thank you for the Deep Sky Video about M59 (Galaxy Detectives) on YouTube. Here is your description of a counter-rotating core.

M59 (Galaxy Detectives) - Deep Sky Videos (2020-06-14)

... There's a population of stars crammed into that region that are actually rotating in the opposite direction. So this galaxy has what we call a counter-rotating core. So you've got one component of the galaxy going in one direction, and you've got this little component in the middle plowing through in exactly the opposite direction...

M59 (Galaxy Detectives) - Deep Sky Videos (2020-06-14)
... There's a population of stars crammed into that region that are actually rotating in the opposite direction. So this galaxy has what we call a counter-rotating core. So you've got one component of the galaxy going in one direction, and you've got this little component in the middle plowing through in exactly the opposite direction...

Do you believe that the following explanation of an anti-clockwise flow in M64 (Black Eye Galaxy) holds true for M59 (Galaxy Detectives) as well?

M64 (Black Eye Galaxy) - Deep Sky Videos (2017-07-20)

... In the middle, the stars are going in the same direction as the gas, and that sort of anti-clockwise direction. In the outskirts, there's going still in the same direction as the stars in the centre. But that means that they're going opposite to the gas, and it's against the flow...

Thank you very much for your attention.

M64 (Black Eye Galaxy) - Deep Sky Videos (2017-07-20)
... In the middle, the stars are going in the same direction as the gas, and that sort of anti-clockwise direction. In the outskirts, there's going still in the same direction as the stars in the centre. But that means that they're going opposite to the gas, and it's against the flow...

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2024-12-17T20:50:37.000Z