SIMBAD references

2007A&A...469..115C - Astronomy and Astrophysics, volume 469115-119 (2007/7-1)

Probing MACHOs by observation of M 31 pixel lensing with the 1.5 m Loiano telescope.

CALCHI NOVATI S., COVONE G., DE PAOLIS F., DOMINIK M., GIRAUD-HERAUD Y., INGROSSO G., JETZER P., MANCINI L., NUCITA A., SCARPETTA G., STRAFELLA F. and GOULD A.

Abstract (from CDS):

We analyse a series of pilot observations in order to study microlensing of (unresolved) stars in M 31 with the 1.5m Loiano telescope, including observations on both identified variable source stars and reported microlensing events. We also look for previously unknown variability and discover a nova. We discuss an observing strategy for an extended campaign with the goal of determining whether MACHOs exist or whether all microlensing events are compatible with lens stars in M 31.

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Journal keyword(s): gravitational lensing - Galaxy: Halo - galaxies: individual: M 31

Simbad objects: 8

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