MEDEA: a real time imaging pipeline for pixel lensing

Details MEDEA: a real time imaging pipeline for pixel lensing MEDEA: a real time imaging pipeline for pixel lensing

2002-11-20

arxiv.org/abs/astro-ph/0211459v1

New Astron. 8 (2003) 325-335

Astronomy and Astrophysics

Astrophysics

To appear in New Astronomy

Scientific paper

10.1016/S1384-1076(02)00236-1

Pixel lensing is a technique used to search for baryonic components of dark matter (MACHOs) and allows to detect microlensing events even when the target galaxies are not resolved into individual stars. Potentially, it has the advantage to provide higher statistics than other methods but, unfortunately, traditional approaches to pixel lensing are very demanding in terms of computing time. We present the new, user friendly, tool MEDEA (Microlensing Experiment Data-Analysis Software for Events with Amplification). The package can be used either in a fully automatic or in a semi-automatic mode and can perform an on-line identification of events by means of a two levels trigger and a quasi-on-line data analysis. The package will find application in the exploration of large databases as well as in the exploitation of specifically tailored future surveys.

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