Building a Catalog of Dynamical Properties of Interacting Galaxies in SDSS with the Aid of Citizen Scientists

Details Building a Catalog of Dynamical Properties of Interacting Galaxies in SDSS with the Aid of Citizen Scientists Building a Catalog of Dynamical Properties of Interacting Galaxies in SDSS with the Aid of Citizen Scientists

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21543526h&link_type=abstract

American Astronomical Society, AAS Meeting #215, #435.26; Bulletin of the American Astronomical Society, Vol. 42, p.383

Astronomy and Astrophysics

Astronomy

Scientific paper

In the last two years Citizen Scientists from Galaxy Zoo have identified almost 3000 systems of interacting galaxies. The Mergers Zoo Project allows members of the public to further analyze pairs of interacting galaxies in order to determine their dynamical properties. A restricted, three-body simulation using a realistic potential with a dynamical friction approximation has been implemented in a Java Applet. Citizen Scientists are tasked with target galaxy pairs for study. The tool produces simulation output from randomly selected system parameters. Users are able to identify candidate simulations for further study based on how well the output matches the target image. In this manner a wide range of parameters covering the "likely” region of phase space can be sampled. Using this approach, the Mergers Zoo Project expects to determine the key dynamical properties of hundreds of pairs of interacting galaxies in the next two years. This work presents a brief overview of the results for the systems studied to date.

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