Final update

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Profile David Anderson
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Message 2115484 - Posted: 3 Mar 2023, 4:44:59 UTC
Last modified: 3 Mar 2023, 4:54:06 UTC

Sorry for the long gap between reports. Since last April, my colleagues (Dan Werthimer, Eric Korpela, Jeff Cobb, Wei Liu) have done two re-observation sessions at FAST, looking at a few dozen of the top-scoring multiplets found by Nebula. So far it's been all barycentric spike/gaussian multiplets. With our remaining observing time we'll look at some pulse/triplet and autocorr multiplets, and some non-barycentric, as well.

We haven't examined the re-observation data yet, and it's unclear how we're going to do this. For barycentric multiplets I think the plan is to manually look at waterfall plots, possibly of the raw FFT data, possibly after processing by the SETI@home client (running on our own computers). For non-barycentric this isn't feasible - the frequency range is big and there's lots of RFI. I don't know; I'm out of the loop at this point.

Whether or not we find ET, there's still the matter of writing papers describing what we did, and (in the case of Nebula) giving sensitivity bounds. We had planned to write two papers, one about the front end and one about the back end (Nebula). These papers are about 80% done, but there has been no progress on them in over a year. I can't go into details. I've done everything I can to complete these papers, but I can't do it by myself.

My involvement in SETI@home has ended. I'd like to thank everyone who has participated, especially those who have read and commented on these Nebula reports. Since then, I worked for a while on PanoSETI, an optical SETI project. I've also worked on two music-related projects: Music Match and Numula. I'm also working as a contractor for IMSLP, the online classical music score library. And I continue to run the BOINC project.

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Message 2115504 - Posted: 3 Mar 2023, 13:41:00 UTC

Thanks for the update.

I do hope the papers get published someday. They're really the culmination of SETI's life, and I would image there exists somebody at the Berkeley (or perhaps other universities elsewhere) that would be willing to help. Alas, I am no longer in academia or I would ask around.
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Message 2115582 - Posted: 4 Mar 2023, 23:39:55 UTC - in response to Message 2115484.  

Thanks for update.


My involvement in SETI@home has ended.
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Sad to hear that but life goes on, changes are inevitable.
Hope those long awaited papers will be finished finally. At least next generation of SETI will have something to cite :)
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Message 2115718 - Posted: 7 Mar 2023, 17:49:29 UTC - in response to Message 2115484.  

Thanks for a good yet sad update.

Good for the progress and for moving on. Also for the moving on, good and sad also! Good luck for the future!!


Aside:

Over on an Einstein@home thread, a succinct summary of the summaries is given on:

Can we run Seti@home has another sub-project of Einstein@home?

The brevity is all too brief for the twists and turns we've enjoyed over the last quarter century!


Many thanks to all and...

Keep searchin'!

Yay!!
Martin
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Message 2119059 - Posted: 10 May 2023, 10:27:58 UTC

Unexpectedly, when I retrieved my account and logged in again, the project has been suspended. I look forward to the latest research news on alien life from you, come on!
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Message 2119738 - Posted: 22 May 2023, 0:21:37 UTC - in response to Message 2119059.  

Unexpectedly, when I retrieved my account and logged in again, the project has been suspended. I look forward to the latest research news on alien life from you, come on!

Me too. A sad day for ET searchers...
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Message 2120219 - Posted: 31 May 2023, 7:17:51 UTC - in response to Message 2115484.  

Thank you for everything you have done for science and kickstarting Distributed Computing. I hope Seti@home, Breakthrough Listen, Einstein@Home, LHC and biological DC projects all yield tangible results for humanity
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Message 2122254 - Posted: 6 Jul 2023, 16:13:21 UTC - in response to Message 2115484.  

David,

WOW! Numula project is mindblowing. :O
Congratulations!

Keep on keeping on.
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Message 2123811 - Posted: 10 Aug 2023, 0:58:59 UTC - in response to Message 2115484.  
Last modified: 10 Aug 2023, 0:59:19 UTC

Hola, cada tanto entro a ver si por suerte o magia.. vuelve a retomarse esta búsqueda... extraño ver todos los días si los datos que mi computadora analiza aparece un hola en un idioma fuera de nuestro mundo... Ojalá alguna generación futura pueda encontrarse con una entidad ET...
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Message 2123832 - Posted: 10 Aug 2023, 13:01:05 UTC - in response to Message 2123811.  

Hola, cada tanto entro a ver si por suerte o magia.. vuelve a retomarse esta búsqueda... extraño ver todos los días si los datos que mi computadora analiza aparece un hola en un idioma fuera de nuestro mundo... Ojalá alguna generación futura pueda encontrarse con una entidad ET...

Translated:

Hello, every once in a while I go in to see if by luck or magic... this search is resumed again... I miss seeing every day if the data that my computer analyzes shows a hello in a language outside of our world... Hopefully some generation future may encounter an ET entity...



Keep searchin'!
Martin
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Message 2132507 - Posted: 12 Feb 2024, 23:18:07 UTC

I was also taken by surprise. I renewed my account and discovered that the project was over. Very sad. If i can contribute something, i will be grateful. Thanks for the dream!
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Message 2133680 - Posted: 9 Mar 2024, 19:00:17 UTC - in response to Message 2132507.  

The @setiathome project effectively closed on 19th November 2020, following two lots of severe damage to the Arecibo telescope in August and November of the year. (These incidents followed damage from Hurricane Maria in 2017). As a result of the damage to the telescope, the National Science Foundation decided in December 2020 to decommission and dismantle it, but a catastrophic failure of the remaining support cables holding up the support structure, antenna, and dome assembly happened before actual decommissioning could take place. The NSF also decided in October 2022 not to rebuild or replace the telescope. Any @setiathome work units already distributed up to November 2020 could still be worked on and analysed and the results reported back to the @setiathome project when done. However, for obvious reasons, no new work units could be distributed.

This was naturally very sad event for all involved in the project, however, the organisers and co-ordinators decided that after almost 20 years of collecting, distributing and analysing the data, they had enough to material on to start writing up papers on their work. It would be nice to think that the project may have continued had it not been for the damage to the telescope, and perhaps it could be resurrected by someone else at another telescope, but I don't hold up much hope for that.
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Message boards : Nebula : Final update


 
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