Observational Results of Stellar Speckle Interferometric Spectroscopy

Details Observational Results of Stellar Speckle Interferometric Spectroscopy Observational Results of Stellar Speckle Interferometric Spectroscopy

Jan 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995optrv...2...68k&link_type=abstract

Optical Review, Volume 2, Issue 1, pp.68-71

Physics

Optics

Instrumentation, Atmospheric Turbulence, Stellar Speckle Interferometry, Speckle Spectroscopy, Astronomical Optics, Astronomy, Spectrometer, Cross Correlation

Scientific paper

Stellar speckle spectroscopy is a speckle interferometric method enabling us to separate point by point spectra on a stellar object with a diffraction-limited spatial resolution of a telescope. We describe observational results obtained with our system for speckle spectroscopy. Data of two binary stars, of which separations are closer than seeing disc, were taken and processed by cross-correlation method. In each object, spectral images of two component stars around the Hα line (656.3 nm) were spatially resolved with nearly diffraction-limited resolution. The separated spectra of ADS940 reveal different spectral types of the component stars. These results demonstrate the ability of the speckle spectroscopic method.

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