Skip to main content
7 votes

What would a kHz gravitational wave detector look like? (mountains on millisecond magnetars) How would it differ from LIGO/Virgo?

In principle, not much different to LIGO, since LIGO is sensitive to kHz gravitational waves. But you need to find ways to increase the sensitivity at kHz frequencies, without compromising response at ...
ProfRob's user avatar
  • 155k
5 votes
Accepted

Is "magnetars don't last long — just a year to a few years" really true? Is it a misquote or perhaps taken out of context?

It's certainly not true. I've watched the linked video and read the linked articles, and even with that additional context, I don't see a way for the quote to fit with our understanding of the ...
HDE 226868's user avatar
  • 36.6k
4 votes
Accepted

What would a kHz gravitational wave detector look like? (mountains on millisecond magnetars) How would it differ from LIGO/Virgo?

To briefly supplement Rob's answer, there is at least one concept being floated for a gravitational-wave detector which is explicitly targeting kilohertz gravitational waves and sacrificing ...
liam's user avatar
  • 76
3 votes
Accepted

How do neutron stars maintain inhomogeneous surfaces and migrating "hot spots"? (e.g. SGR 1830-0645)

It is almost certainly the strong magnetic fields. These contribute a magnetic pressure that allows charged/ionised material to flow readily along field lines, but not to cross them. In the paper you ...
ProfRob's user avatar
  • 155k
2 votes

What would you call death by magnetar?

Nobody has ever needed such a word, and it doesn't exist. "Spaghetification" is, of course, a joke word, but each time you make a new joke based off an old one, the less funny it becomes. If ...
2 votes

In practice, can very high magnetic fields significantly alter the dynamics of an astronomical-scale bodies?

Where such an effect becomes important is during the accretion of matter from a regular (more-or-less) main sequence donor star onto a magnetized neutron star. Here, the magnetic field at the NS can ...
SpaceCore's user avatar
  • 3,441
1 vote

Can a pulsar also be a magnetar?

Magnetars are a type of pulsar and pulsars are a type of neutron star. So all magnetars are neutron stars, but some neutron stars are not pulsars, and some pulsars are not magnetars. However, neutron ...
usernumber's user avatar
  • 17.6k
1 vote

In practice, can very high magnetic fields significantly alter the dynamics of an astronomical-scale bodies?

This doesn't answer what happens around magnetars, but it does answer if magnetic fields can have a significant dynamical effect on any large bodies, on par with gravitation. Magnetic fields in the ...
usernumber's user avatar
  • 17.6k

Only top scored, non community-wiki answers of a minimum length are eligible