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The reclassification of the suspected R coronae borealis star SY hyi as a semiregular variable

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Abstract

SY Hyi is classified as a suspected R Coronae Borealis-type variable star. Photometric and spectroscopic observations of SY Hyi lead to the star’s reclassification as a semiregular variable of spectral type M5-6.

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References

  • Bateson, F. M. 1985,Publ. var. Star Section R. astr. Soc. New Zealand, Charts for Southern Variables,18, no. 810.

  • Cottrell, P. L., Lambert, D. L. 1982,Astrophys. J.,261, 595.

    Article  ADS  Google Scholar 

  • Cousins, A.W.J. 1983,Circ. Sth.Afr. astr.Obs. 7, 36.

    ADS  Google Scholar 

  • Habing, H. J. 1987, inIAU Symp. 122;Circumstellar Matter, Eds I. Appenzeller & C. Jordan, D. Reidel, Dordrecht, p. 197.

    Google Scholar 

  • Hoffmeister, C., Richter, G., Wenzel, W. 1985,Variable Stars, Springer-Verlag, Berlin.

    Google Scholar 

  • Kholopov, P. N., Samus, N. N., Frolov, M. S., Goranskij, V. P., Gorynya, N. A.,Kazarovets, E. V., Kireeva, N. N., Kukarkina, N. P., Kurohkin, N. E., Medvedeva, G. I., Perova, N. B., Rastorguev, A. S., Shugarov, S. Yu. 1985,General Catalogue of Variable Stars, IVth Edn, Moscow.

  • Lawson, W. A., Cottrell, P. L. 1989,Mon. Not. R. astr. Soc, submitted.

  • Neugebauer, G.,etal. 1984,Astrophys. J.,278, L1, 29.

    MathSciNet  Google Scholar 

  • Rodgers, A. W., van Harmelen, J., King, D., Conroy, P., Harding, P. 1988,Publ. astr. Soc. Pac,100, 841.

    Article  ADS  Google Scholar 

  • Shapley, H., Hughes, E. M. 1934,Ann. Harvard Obs.,90, no. 4.

    Google Scholar 

  • Turnshek, D. E., Turnshek, D. A., Craine, E. R., Boeshar, P. C. 1985,An Atlas of Digital Spectra of Cool Stars, Western Research Company, Tuscon.

    Google Scholar 

  • Waters, L. B. F. M., Cote, J., Aumann, H. H. 1987,Astr. Astrophys.,172, 225.

    ADS  Google Scholar 

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Authors and Affiliations

  1. Department of Physics, Mount John University Observatory, Christchurch, New Zealand

    W. A. Lawson, P. L. Cottrell (Visiting Fellow), A. C. Gilmore & P. M. Kilmartin

  2. Mount Stromlo and Siding Spring Observatories, Australian National University, Canberra, Australia

    P. L. Cottrell (Visiting Fellow)

Authors
  1. W. A. Lawson
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  2. P. L. Cottrell
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  3. A. C. Gilmore
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  4. P. M. Kilmartin
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Lawson, W.A., Cottrell, P.L., Gilmore, A.C. et al. The reclassification of the suspected R coronae borealis star SY hyi as a semiregular variable. J Astrophys Astron 10, 151–155 (1989). https://doi.org/10.1007/BF02719311

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  • DOI: https://doi.org/10.1007/BF02719311

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