Probing MACHOs by observation of M 31 pixel lensing with the 1.5 m Loiano telescope
We analyse a series of pilot observations in order to study microlensing of (unresolved) stars in M 31 with the 1.5 m Loiano telescope, including observations on both identified variable source stars and reported microlensing events. We also look for previously unknown variability and discover a nov...
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| Veröffentlicht in: | Astronomy and astrophysics (Berlin) 2007-07, Vol.469 (1), p.115-119 |
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| container_title | Astronomy and astrophysics (Berlin) |
| container_volume | 469 |
| creator | Calchi Novati, S. Covone, G. De Paolis, F. Dominik, M. Giraud-Héraud, Y. Ingrosso, G. Jetzer, Ph Mancini, L. Nucita, A. Scarpetta, G. Strafella, F. Gould, A. |
| description | We analyse a series of pilot observations in order to study microlensing of (unresolved) stars in M 31 with the 1.5 m 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. |
| doi_str_mv | 10.1051/0004-6361:20077075 |
| format | Article |
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| ispartof | Astronomy and astrophysics (Berlin), 2007-07, Vol.469 (1), p.115-119 |
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| language | eng |
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| source | Bacon EDP Sciences France Licence nationale-ISTEX-PS-Journals-PFISTEX; EDP Sciences; EZB-FREE-00999 freely available EZB journals |
| subjects | Astronomy Earth, ocean, space Exact sciences and technology galaxies: individual: M 31 Galaxy: Halo gravitational lensing |
| title | Probing MACHOs by observation of M 31 pixel lensing with the 1.5 m Loiano telescope |
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