CAOSP abstracts, Volume: 33, No.: 1, year: 2003

Abstract: The ephemeris of variations of the cool magnetic CP star HD 188041 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=(2 444 981.8±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 Gd II line strength has its maximum at -0.031±0.012.

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Last update: March 07, 2003