Speckle Imaging with an Electron-multiplying CCD Camera at the WIYN Telescope

Details Speckle Imaging with an Electron-multiplying CCD Camera at the WIYN Telescope Speckle Imaging with an Electron-multiplying CCD Camera at the WIYN Telescope

May 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009dda....40.1604h&link_type=abstract

American Astronomical Society, DDA meeting #40, #16.04; Bulletin of the American Astronomical Society, Vol. 41, p.910

Astronomy and Astrophysics

Astrophysics

Scientific paper

Electron-multiplying CCD (EMCCD) cameras have extremely strong characteristics for speckle imaging including high quantum efficiency, extremely low effective read noise, and high bandwidth. We report on our first results for binary star astrometry and photometry using an Andor iXon EMCCD at the WIYN 3.5-m Telescope at Kitt Peak. We find that diffraction-limited image reconstructions can be achieved to approximately 15th magnitude and that the device appears to deliver reliable differential photometry of the components of binary star systems. Some implications for stellar astrophysics are discussed.

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