Spatial Variability of Neptune's Clouds

Details Spatial Variability of Neptune's Clouds Spatial Variability of Neptune's Clouds

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf.1329l&link_type=abstract

EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.1329

Physics

Optics

Scientific paper

Near-infrared observations of Neptune were performed using OSIRIS, the integral-field spectrograph on the 10-m Keck II telescope. By utilizing the adaptive optics system, we are able to image the planet with a spatial resolution of 0.035" at 1651 wavelengths in both H and K bands. On 25 and 26 July 2009, we observed more than 90% of a hemisphere in a single night, allowing us to derive the properties of individual cloud features across many latitudes and longitudes. On 22 August 2010, we performed a series of observations of Neptune's bright southern cloud band. We will present our preliminary analysis of these data, and discuss the implications for the seasonal and spatial variability of Neptune's clouds.

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