M31 pixel lensing: Observations at the Loiano telescope

Details M31 pixel lensing: Observations at the Loiano telescope M31 pixel lensing: Observations at the Loiano telescope

2010-01-14

arxiv.org/abs/1001.2388v1

Astronomy and Astrophysics

Astrophysics

Galaxy Astrophysics

Proceedings of the "Twelfth Marcel Grosmann Meeting", held in Paris (France), 12-18, July, 2009

Scientific paper

We discuss pixel lensing observations towards M31 carried out at the Loiano telescope. We have established a fully automatic pipeline for the detection and the characterization of microlensing events. We have evaluated the efficiency of the pipeline. We have estimated the expected signal by means of a Monte Carlo simulation. As a result we select 2 microlensing candidates. This is compatible with the expected M31 self-lensing signal. The small statistics of events at disposal does not still allow us, however, to draw definite conclusions on the content of compact halo objects.

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