MOST - Moving Object Search Tool For NEOWISE And IRSA

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Scientific paper

We present a new web-based tool that will enable researchers to look for serendipitously observed solar system objects contained in the images held by the NASA/IPAC Infrared Science Archive (IRSA) including the single-epoch exposures from WISE. The principal function of MOST is to help researchers to recover NEO, MBA and comet pre-discovery images, that will enable orbit refinement and photometry. MOST takes as input an object name or set of orbital parameters. MOST is able to identify images containing the moving object along the calculated path within the requested time interval. It starts with computing an orbital path spanning the observation times, and fitting a series of search regions covering the path. It then retrieves all the image meta-data within the search regions using an IRSA search function. A post filter utilizing image corner positions and object position computed from image frame time is then employed to identify individual frames containing the object. MOST will be released in April 2011 for use with the WISE archive. MOST will be incorporated with other IRSA archive search and analysis tools to facilitate fast identification and retrieval of images containing moving objects. It will later be expanded to search other IRSA image holdings, including the Spitzer Heritage Archive.
MOST development is sponsored in part by The NEOWISE program, NASA Planetary Division.

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