ARGOMENTO:

Novità dai vari sotto-progetti di Einstein.

Finora, grazie al progetto, sono state scoperte 55 nuove radio pulsar e 39 pulsar a raggi gamma.
Ma sono ancora molti i dati raccolti da analizzare e molti nuovi dati in arrivo.

einsteinathome.org/i...results-deep-all-sky-search-ligo-o3-data

Submitted on 20 Apr 2023 15:22:16 UTC



The results of our all-sky search for continuous gravitational waves in public data from LIGO's third observing run (O3) have been published on the arXiv preprint server: Deep Einstein@Home all-sky search for continuous gravitational waves in LIGO O3 public data. The manuscript is currently in the peer-review process for publication in The Astrophysical Journal.


Our publication describes the Einstein@Home all-sky survey for continuous gravitational waves with frequencies between 20 Hz and 800 Hz, using the latest LIGO data. To date, this is the most sensitive all-sky search in this range.


The search did not reveal any gravitational-wave signal. Based on this we draw conclusions about the population of neutron stars in our Galactic neighborhood. For example, within 100 parsecs (~330 light-years) around Earth there are no neutron stars rotating faster than 12,000 rpm with equatorial mountains larger than half a millimeter; otherwise we would have very likely detected their continuous gravitational waves.


The LIGO team adds fake continuous gravitational-wave signals to the data, for validation purposes. The signal parameters are known. In its search range our search accurately recovers the fake signals. This gives us further confidence in the sensitivity of our search.


At the moment we are running additional searches on public LIGO data. As we continue to mine these data for continuous waves, our heart-felt thanks go to all of you who make this work possible by donating cycles from your computers!


If you would like to know more, just reply to this news item in our discussion forum.


M. Alessandra Papa


https://www.aei.mpg.de/continuouswaves

einsteinathome.org/i...project-%E2%80%9Cpulsar-seekers%E2%80%9D

Particolare che il team di Einstein@nome abbia lanciato su zooniverse questo progetto dove si deve lavorare non con il calcolo ma con la mente e gli occhi !!!!!

C'è un messaggio abbastanza inquietante sull'account ufficiale twitter di Einstein@Home:

We will be suspending all activity on this platform.
Stay in touch!

Chiudono il progetto? O è una sospensione temporanea per l'aggiornamento dei sistemi??
Sul forum non trovo nulla al riguardo...

La mancanza di wu gpu, tranne qualche forse residua MeerKAT, non fa ben sperare

Ma io le Gravitational Wave search on O3 (O3AS) continuo a riceverle

Io, da quando sono finite le FGRPB1G, non ne ho mai ricevuta una...

Contrordine, mi hanno scritto su Tw/X
Chiudono SOLO l'account su quel social, non il progetto.

Chissà perchè, poi...

E' stata messa in produzione una nuova app gpu per le simulazioni Gravitational Wave
Questi i punti salienti:
- minor utilizzo di ram gpu (si passa dai circa 4gb a 2,5 per singola wu)
- i punti per queste wus saranno raddoppiati
- prevedono che il calo di utilizzo ram (e altre cose all'interno del nuovo applicativo) ridurranno sensibilimente il numero di errori.

Vediamo come procede la cosa...

einsteinathome.org/i...tent/einsteinhome-twenty-years-old-today

Einstein@Home is twenty years old today!




Submitted on 19 Feb 2025 17:20:21 UTC



I want to congratulate all of our Einstein@Home volunteers, developers, and scientists: our project is 20 years old today. We officially launched Einstein@Home on February 19th 2005, exactly 20 years ago, at the annual meeting of the American Association for the Advancement of Science (AAAS) in Washington DC.

Since that time, almost half a million people have contributed computing power to Einstein@Home. Einstein@Home carries out the most sensitive searches for continuous gravitational waves, and continues to set the tightest and most stringent limits on this yet-to-be-discovered population. We have discovered more than 90 new radio and gamma ray pulsars, including a number of extreme and exotic examples. The project has resulted in 38 peer-reviewed publications in scientific journals, and has also played a role in a dozen PhD theses.


A big thank you to everyone involved!


Bruce Allen


Director, Einstein@Home

Una mesata fa è partito il sotto-progetto O4MD: Multi-Directional search of O4 (Observation number 4) di Ligo

Pubblicato il nuovo applicativo "All-Sky Gravitational Wave search on O4ab (GPU)".

La sto macinando grazie, interessante :-)

bedda

Sfrucugliando qua e la ho trovato altre tracce di alplix
github.com/alplix/brp4-cuda-port?tab=readme-ov-file
Probabilmente è un tentativo poi abortito; su Einsten@home non si trova traccia

zioriga ha scritto:

Sfrucugliando qua e la ho trovato altre tracce di alplix
github.com/alplix/brp4-cuda-port?tab=readme-ov-file
Probabilmente è un tentativo poi abortito; su Einsten@home non si trova traccia

einsteinathome.org/t...9C%A7-special-brp4-cuda-builds-%E2%9C%A7
einsteinathome.org/t...l-port-brp4-apple-silicon-gpus-%E2%9C%A7
and
einsteinathome.org/t...%E2%9C%A7-special-fgrp5-builds-%E2%9C%A7

These are in active, working condition. There are quite a few people using them. I also have an 'o4' application on GitHub—called 'duckweed'—from which the fp64 requirement has been removed; however, I haven't shared it on the forum. Since there are already custom 'o4' apps out there, people would likely just leave negative comments anyway