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A search for natural satellites of Mercury
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Astronomy and Space Physics, Observational Astronomy.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Astronomy and Space Physics, Observational Astronomy.
2007 (English)In: Planetary and Space Science, ISSN 0032-0633, E-ISSN 1873-5088, Vol. 55, no 14, 2037-2041 p.Article in journal (Other (popular science, discussion, etc.)) Published
Abstract [en]

We present the results of an imaging survey of Mercury's Hill sphere in search for objects dynamically bound to the planet, motivated by the existence of hermeocentric orbits that have been shown to be stable over 5 Myr or more. A six-day survey of Mercury's apparent vicinity from 6 to 140 Mercury radii, with full coverage between 19 and 73 Mercury radii, was performed with the Nordic Optical Telescope using ALFOSC in the R-band. The deepest limiting magnitude of 18.6 at a signal-to-noise-level of 3 corresponds to a hermeocentric object size of 0.5 km, while the brightest limiting magnitude corresponds to a size of 1.6 km. While two suspected sources were found, no hermeocentric objects could be confidently identified.

Place, publisher, year, edition, pages
2007. Vol. 55, no 14, 2037-2041 p.
Keyword [en]
Mercury, Satellite, Imaging survey
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-13800DOI: 10.1016/j.pss.2007.06.004ISI: 000251925600001OAI: oai:DiVA.org:uu-13800DiVA: diva2:41570
Available from: 2008-01-25 Created: 2008-01-25 Last updated: 2017-12-11Bibliographically approved

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Warell, JohanKarlsson, Ola

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