Is Seti really still working ? Should we move to Astropulse ? Will it continue ?

Message boards : SETI@home Science : Is Seti really still working ? Should we move to Astropulse ? Will it continue ?
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Nils Bruttin

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Message 2020836 - Posted: 27 Nov 2019, 22:11:15 UTC

Hello,
I was told that Seti still check the same data since years and analyse them again and again. Is that true ?

Should we move to Astropulse or is Seti still worth ?

Finally, some people say that the Seti and Astropulse will be shutdown soon ? Is that true ?

Thanks for sharing your opinions and insights

Best,

Nils
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Message 2020899 - Posted: 28 Nov 2019, 8:03:23 UTC

I was told that Seti still check the same data since years and analyse them again and again. Is that true ?

There is some re-analysis of old data, most it is data that failed last time round, but with new splitters and applications some of it is running through properly.

Should we move to Astropulse or is Seti still worth ?

Astropulse is part of SETI@Home, but only a small part of the data we receive is suitable for the Astropulse analysis - the only current data source is the Arecibo telescope, trials with other data data sources have not been successful.

Finally, some people say that the Seti and Astropulse will be shutdown soon ? Is that true ?

Well - this was said first said over ten years ago - the truth is it all depends on funding so if the funding dries up the the project is forced to finish.
Bob Smith
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Message 2022693 - Posted: 11 Dec 2019, 1:49:42 UTC - in response to Message 2020899.  

Astropulse is part of SETI@Home, but only a small part of the data we receive is suitable for the Astropulse analysis - the only current data source is the Arecibo telescope, trials with other data data sources have not been successful.


How can I tell if I have an Astropulse task, does it appear as Astropulse v7 or will it still say SETI@home v8?

What caused the trials on other data to fail?
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Profile Gary Charpentier Crowdfunding Project Donor*Special Project $75 donorSpecial Project $250 donor
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Message 2022725 - Posted: 11 Dec 2019, 6:21:25 UTC - in response to Message 2022693.  

Astropulse is part of SETI@Home, but only a small part of the data we receive is suitable for the Astropulse analysis - the only current data source is the Arecibo telescope, trials with other data data sources have not been successful.


How can I tell if I have an Astropulse task, does it appear as Astropulse v7 or will it still say SETI@home v8?

What caused the trials on other data to fail?

It will say Astropulse v7

Many things could have caused the failure, such as interference from terrestrial radar, someone using the microwave in the break room, equipment malfunctions, bit rot, or a host of other sources of mischief. As they are identified, they are removed or mitigated and more data from the observing run becomes usable. In the past when the splitting process (it makes small work units out of a long run) ran into obviously bad data it just marked the rest of the observation bad, even if the problem with the run only lasted for a few seconds and the rest of the run was good.

Of course in the mean time the math has become fine tuned so it detects more possible signals and rejects more nose.
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Message 2022841 - Posted: 12 Dec 2019, 2:38:56 UTC - in response to Message 2022725.  

Many things could have caused the failure, such as interference from terrestrial radar, someone using the microwave in the break room, equipment malfunctions, bit rot, or a host of other sources of mischief. As they are identified, they are removed or mitigated and more data from the observing run becomes usable. In the past when the splitting process (it makes small work units out of a long run) ran into obviously bad data it just marked the rest of the observation bad, even if the problem with the run only lasted for a few seconds and the rest of the run was good.


Well that's good, I was worried the other sources were in some way unsuitable. Can't wait for it to become a regular part of SETI@home.
Philosophies:

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  • Moral functionalist
  • Humean about motivations
  • Panpsychist leaning; optimistic about combination problem
  • Agnostic; sympathetic to prime movers

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Message boards : SETI@home Science : Is Seti really still working ? Should we move to Astropulse ? Will it continue ?


 
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