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Author Question: How can an old pulsar have a very short pulsar period, say less than 0.03 seconds? What will be ... (Read 42 times)

mpobi80

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on: Jul 27, 2018
How can an old pulsar have a very short pulsar period, say less than 0.03 seconds?
 
  What will be an ideal response?

Question 2

How does absolute visual magnitude tell us the intrinsic brightness of a star?
 
  What will be an ideal response?


cegalasso

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Reply #1 on: Jul 27, 2018
Answer to Question 1

It now appears that the speedy pulsar is an old neutron star that has gained mass and rotational energy from a companion in a binary system. Like water hitting a mill wheel, the matter falling on the neutron star has spun it up to that fantastic rate.

Answer to Question 2

The absolute visual magnitude is the apparent visual magnitude a star would have if it were 10 pc away, and is therefore an expression of the intrinsic brightness of a star.


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mpobi80

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Reply #2 on: Jul 27, 2018
Thanks


cegalasso

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Reply #3 on: Jul 27, 2018
Welcome :)


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