HD 143418: an unusual light variable and a double-lined spectroscopic binary with a CP primary

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Bozic H., Wolf M., Harmanec P., Prsa A., Percy J. R. , Ruzdjak D., ...More

ASTRONOMY & ASTROPHYSICS, vol.464, no.1, pp.263-275, 2007 (Journal Indexed in SCI) identifier identifier

  • Publication Type: Article / Article
  • Volume: 464 Issue: 1
  • Publication Date: 2007
  • Doi Number: 10.1051/0004-6361:20042546
  • Title of Journal : ASTRONOMY & ASTROPHYSICS
  • Page Numbers: pp.263-275


Aims. After a serendipitious discovery that HD 143418 is a light variable, we analyzed numerous UBV observations and Hipparcos H-p magnitudes transformed to Johnson V to find out whether the object is a very unusual spectroscopic binary.