On the Gaia Expected Harvest on Eclipsing Binaries
The space experiment Gaia, the approved cornerstone 6 ESA mission, will observe up to a billion stars in our Galaxy and obtain their astrometric positions on a micro-arcsec level, multi-band photometry as well as spectroscopic observations. It is expected that about one million Eclipsing Binaries (E...
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| Veröffentlicht in: | Astrophysics and space science 2006-08, Vol.304 (1-4), p.387-390 |
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| creator | Niarchos, P G |
| description | The space experiment Gaia, the approved cornerstone 6 ESA mission, will observe up to a billion stars in our Galaxy and obtain their astrometric positions on a micro-arcsec level, multi-band photometry as well as spectroscopic observations. It is expected that about one million Eclipsing Binaries (EBs) (with V , 16 mag) will be discovered and the observing fashion will be quite similar to Hipparcos/Tycho mission operational mode. The combined astrometric, photometric and spectroscopic data will be used to compute the physical parameters of the observed EBs. From a study of a small sample of EBs, it is shown that the agreement between the fundamental stellar parameters, derived from ground-based and Hipparcos (Gaia-like) observations, is more than satisfactory and the Gaia data will be suitable to obtain accurate binary solutions. |
| doi_str_mv | 10.1007/s10509-006-9148-2 |
| format | Article |
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| subjects | Astrophysics Double stars Eclipsing binary stars Galaxies Mathematical models Missions Photometry Spectroscopy Stars & galaxies |
| title | On the Gaia Expected Harvest on Eclipsing Binaries |
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