Improved period of a slowly rotating cool magnetic CP star HD188041

Details Improved period of a slowly rotating cool magnetic CP star HD188041 Improved period of a slowly rotating cool magnetic CP star HD188041

Feb 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003coska..33...29m&link_type=abstract

Contributions of the Astronomical Observatory Skalnaté Pleso, vol. 33, no. 1, p. 29-37.

Astronomy and Astrophysics

Astronomy

11

Cp Stars, Photometry, Variability, Period

Scientific paper

The ephemeris of variations of the cool magnetic CP star HD188041 was newly determined using all photometric, magnetic and spectroscopic observations available. The improved period P=(223.826±0.040)d is common for all types of variation observed, all previously mentioned periods were definitely eliminated. The origin of phase counting M0=(2444981.8±0.6) was put in the centre of the v light minimum. The effective magnetic field maximum lies at phase 0.002±0.019. The slightly asymmetric curve of GdII line strength has its maximum at -0.031±0.012.

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