All Questions
Tagged with velocity radio-astronomy
3
questions
4
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451
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What does "unremarkable transverse peculiar velocity" mean exactly, and how is it calculated here?
The abstract of A magnetar parallax (also in MNRAS) contains the following:
Combining our new observations with two archival observations from 2006, we have refined the proper motion and reference ...
11
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1
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What does the velocity dispersion of a galaxy mean?
Also, what is the advantage of getting information about the velocity dispersion of a galaxy?
2
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1
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175
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Why does the neutral hydrogen velocity have this characteristic behavior in the galactic plane?
The recently released map of galactic neutral hydrogen density and velocity is really beautiful. The work has been relased by the HI4PI collaboration (HI = neutral hydrogen, $4\pi$ = complete ...