Astrometric Search and Recovery of Asteroids and Comets Discovered by WISE

Details Astrometric Search and Recovery of Asteroids and Comets Discovered by WISE Astrometric Search and Recovery of Asteroids and Comets Discovered by WISE

Aug 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010noao.prop..405m&link_type=abstract

NOAO Proposal ID #2010B-0405

Astronomy and Astrophysics

Astronomy

Scientific paper

Target-of-Opportunity (ToO) time is requested to recover and do astrometry and photometry on short notice of carefully selected asteroids, comets, and suspected comets freshly discovered by WISE. The WISE all-sky thermal infrared survey is uncovering darker albedos and more extreme orbital inclinations of solar system objects than expected. More of the rare and newly discovered category of main belt comets may also be found. We want to understand what these outliers are, as they may represent hitherto unexplored populations and may reveal characteristics of the evolution of the solar system not yet recognized. To do this, the infrared fluxes measured by WISE should be supplemented with measurements of reflectivity in visible light, rotation periods, multicolor photometry, spectroscopy, and polarimetry to characterize sizes, mineralogy, surface properties, and shapes. Such campaigns require the orbits of the newly discovered objects to be known well enough to recover the objects on return apparitions as much as years later. Our proposed astrometry will consolidate knowledge of orbital elements and provide visual magnitudes to plan further ground-based observations.

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