The investigation of the magnetic fields of chemically peculiar stars of different ages

Details The investigation of the magnetic fields of chemically peculiar stars of different ages The investigation of the magnetic fields of chemically peculiar stars of different ages

Apr 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987azh....64..360g&link_type=abstract

Astronomicheskii Zhurnal (ISSN 0004-6299), vol. 64, Mar.-Apr. 1987, p. 360-366. In Russian.

Astronomy and Astrophysics

Astronomy

7

Main Sequence Stars, Peculiar Stars, Stellar Evolution, Stellar Magnetic Fields, Chronology, Field Strength, Mean Square Values, Stellar Composition, Stellar Mass

Scientific paper

The average root-mean-squares magnetic fields >Be< of 68 chemically peculiar stars are determined on the basis of own and published measurements for 10 open clusters and associations. The search for exponential dependence between the mean values >Be< for stars in clusters and their age t has resulted in the e-folding time τ ≈ (5 - 6)×108years and in the average initial value >Be<0 ≈ 1200 G. The ages for 71 CP stars of the galactic field with known >Be< are estimated. The magnetic field of massive CP stars (M > 5 M_sun;) is probably at an average 1.5 times larger than that of less massive ones (M_sun; < 5 M_sun;).

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