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Observational Results of Stellar Speckle Interferometric Spectroscopy

  • ENVIRONMENTAL, BIOLOGICAL, AND SPACE OPTICS
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Abstract

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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Authors and Affiliations

  1. Department of Applied Physics, Faculty of Engineering, Hokkaido University, Sapporo, 060, Japan

    Susumu Kuwamura, Naoshi Baba & Noriaki Miura

  2. Okayama Astro-physical Observatory, NAO, Kamogata, 719-02, Japan

    Yuji Norimoto

  3. Optical Engineering Lab., The Institute of Physical and Chemical Research (RIKEN), 2-1, Hirosawa, Wako, Saitama, 351-01, Japan

    Susumu Kuwamura

Authors
  1. Susumu Kuwamura
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  2. Naoshi Baba
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  3. Noriaki Miura
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  4. Yuji Norimoto
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Additional information

Presented at the International Commission of Optics Topical Meeting, Kyoto, 1994.

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Kuwamura, S., Baba, N., Miura, N. et al. Observational Results of Stellar Speckle Interferometric Spectroscopy. OPT REV 2, 68–71 (1995). https://doi.org/10.1007/s10043-995-0068-0

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  • DOI: https://doi.org/10.1007/s10043-995-0068-0

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