Photometric properties of AP stars in the Geneva system

Details Photometric properties of AP stars in the Geneva system Photometric properties of AP stars in the Geneva system

Oct 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982a%26a...114...23h&link_type=abstract

Astronomy and Astrophysics, vol. 114, no. 1, Oct. 1982, p. 23-40. Research supported by the Swiss National Science Foundation.

Astronomy and Astrophysics

Astrophysics

74

A Stars, Astronomical Photometry, Stellar Spectrophotometry, Interstellar Extinction, Stellar Magnetic Fields, Stellar Rotation, Stellar Temperature, Tables (Data)

Scientific paper

An examination of the properties in some photometric diagrams of more than 600 Ap stars measured in the Geneva photometric system confirm that the Balmer discontinuity is smaller than for normal stars, along with the link between a proposed peculiarity parameter and both rotational velocity and effective magnetic field. It is shown that the peculiarity parameter is sensitive to interstellar reddening, and it is found through examination of the standard deviations for visual magnitudes that cool CP 2 stars without Eu peculiarity have the greatest amplitudes. Rapid rotators have a mild peculiarity, while positive correlation exists for Si and SrCr stars.

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