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Results tagged with galaxy
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user 24764
Questions regarding systems of large numbers of stars held together by gravity.
2
votes
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answer
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How to convert from FELO-HEL to Km/s?
I am using DS9 to calculate the rotational velocity of a galaxy. I have 21cm cube and I used DS9 to plot this graph
I do not understand what is FELO-HEL! …
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