Einstein@Home

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Project totals and leader boards

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Science information and progress reports

• First report on the S3 analysis - 2005/09/11
• Final report on the S3 analysis - 2007/03/28
• Report on the S4 analysis - 2008/05/16
  (published in Physical Review D)
• Report on the first S5 analysis - 2009/05/17
• Info on the Arecibo Radio Pulsar Search - 2009/09/21
• Arecibo Radio Pulsar Search (Re-)Discoveries - 2009/10/26

Work for Einstein@Home

• Sysadmin position at U. Wisconsin - Milwaukee
• Postdoc position at U. Wisconsin - Milwaukee
• Student assistants at AEI Hannover (English)
• Student assistants at AEI Hannover (Deutsch)

More Information

• Einstein@Home in the news
• Einstein@Home International Pages
• Einstein@Home Contributors
• Server Status
• Screensaver description
• Einstein@Home Beta Test
• einsteinathome.org - APS webpage
• Application source code and license
• Einstein Online
• Black Hole Hunter (Game) - New link

Einstein@Home is a program that uses your computer's idle time to search for spinning neutron stars (also called pulsars) using data from the LIGO gravitational wave detector. It also searches for radio pulsars in binary systems, using data from the Arecibo Observatory in Puerto Rico. Einstein@Home is a World Year of Physics 2005 and an International Year of Astronomy 2009 project supported by the American Physical Society (APS) and by a number of international organizations.

If you would like to take part, please follow the "Join Einstein@Home" instructions to the left. Einstein@Home is available for Windows, Linux and Macintosh OS X computers.

Einstein@Home is now carrying out a search of data from LIGO's first science run at design sensitivity (S5). The current analysis (S5R5/6) uses 5280 hours of data from the later (and most sensitive) part of S5. For more information, please see the "Science information" section on the left of this page.

Bruce Allen
Professor of Physics, U. of Wisconsin - Milwaukee and Director, MPI for Gravitational Physics, Hannover
Einstein@Home Leader for the LIGO Scientific Collaboration

News items

October 26, 2009
The latest radio pulsar re-discoveries are available here. Our count is now at 31 detections of 19 different known radio pulsars. Our latest detection J1939+2134 is the second fastest spinning known pulsar, rotating almost 700 times in a single second. This means it has completed more than 4000 rotations while you've been reading this news post!

September 21, 2009
The (re-)discovery page has been updated to include the latest observations made by the search for binary pulsars in Arecibo radio data. In total there are now 26 re-observations of 17 different radio pulsars.

August 26, 2009
The results of the first Einstein@Home search for continuous wave sources in LIGO S5 data have been published in Physical Review D. You can download the article from this link.

August 19, 2009
Einstein@home seems to be running smoothly again, in fact more smoothly than before, as a result of the new database server configuration.

August 18, 2009
Einstein@home suffered from another severe fileserver crash last week. We were able to bring the result upload up again with a temporary solution, and are now using the downtime for some improvements of the database setup that should finally speed up re-enabling the project. We expect to have the project up & running again in about two hours, i.e. at 16:30 UTC.

...more

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