Questions tagged [fast-radio-bursts]

Use for questions about fast radio burst (FRB) or blitzars. Related tags: "pulsar", "magnetar", "radio-astronomy".

Filter by
Sorted by
Tagged with
8 votes
1 answer
597 views

Is there any possible connection between Gamma Ray Burst and Fast Radio Bursts?

The physical nature of Fast Radio Bursts (FRBs), a new type of cosmological transients discovered recently, is not known. It has been suggested that FRBs can be produced when a spinning supra-massive ...
user avatar
3 votes
2 answers
153 views

Do ASKAP and ALMA have "fast dump" interferometric modes? Can they see and perhaps report Fast Radio Bursts in real time?

Chatterjee et al 2017 The direct localization of a fast radio burst and its host nicely shows a VLA detection of a repeating FRB in 5 millisecond steps nicely demonstrating the dispersion slope ...
user avatar
  • 31.5k
3 votes
1 answer
189 views

How could a neutron star cause repeated 'fast radio bursts' detected coming from outside of the galaxy?

According to the ScienceAlert article Mysterious repeating radio signals have been detected coming from outside our galaxy, based on the Letter to Nature "A repeating fast radio burst", there has been ...
user avatar
3 votes
2 answers
206 views

Just how fast is a Fast Radio Burst thought to be?

According to Wikipedia;s Fast Radio Bursts; Frequencies and dispersion are recorded they The component frequencies of each burst are delayed by different amounts of time depending on the ...
user avatar
  • 31.5k
3 votes
1 answer
84 views

How tightly clustered are the CHIME-detected FRB repeats?

In the past few days, journalists have been playing the usual "X could be aliens" game. This time, X is repeating FRBs from a galaxy 1.5 billion light years away. (Or is it 1.5 billion years ago? The ...
user avatar
  • 189
2 votes
1 answer
69 views

Where should I look at if I had a 25m parabolic radio reflector?

I am most interested in (exo)planets with atmospheres, see e.g. my question Requirements to resolve position of Jovian Whistlers up to magnitude of Red Spot with amateur radio equipment? So if I had ...
user avatar
  • 5,284
2 votes
1 answer
168 views

Would it have been possible to send a radio signal towards ʻOumuamua?

As we could not get any radio signals from asteroid ʻOumuamua, couldn't we have sent a powerful radio signal to it and then check if we can get any radio signal in response? This way we can at least ...
user avatar
  • 63
2 votes
2 answers
142 views

How to read light curve from .fits?

I have a .fits file (this one, in fact) containing the data of a fast radio burst, FRB110523. Is it possible to, from that, make a simpler file containing the intensity (integrated over all bands) as ...
user avatar
  • 21
2 votes
1 answer
49 views

Where can I find data for fast radio bursts like FRB 180916?

Where can I find Strength over Time for FRB 180916? Or at least day+time of remarkable events. Is there some good data for other FRB that hit the earth for the last 2 years?
user avatar
  • 121
1 vote
1 answer
80 views

How can I correct for transit time?

I know the exact time a radio telescope detected a transient event. I also know the exact location of the telescope, and the galactic coordinates (galactic longitude, latitude) and right ascension and ...
user avatar
1 vote
0 answers
28 views

What is superradiance?

What is superradiance? I came across this term recently (used widely to explain fast radio bursts). After googling a bit, what I understand is: When several atoms are confined in a very small area and ...
user avatar
  • 63