A search for magnetic fields in the variable HgMn star α andromedae

@article{Wade2006ASF,
  title={A search for magnetic fields in the variable HgMn star $\alpha$ andromedae},
  author={G. Wade and M. Auri{\`e}re and S. Bagnulo and J. Donati and N. Johnson and J. Landstreet and F. Ligni{\`e}res and P. Petit and N. Toqu{\'e} and E. Alecian and C. Folsom},
  journal={Astronomy and Astrophysics},
  year={2006},
  volume={451},
  pages={293-302}
}
Context: .The chemically peculiar HgMn stars are a class of Bp stars which have historically been found to be both non-magnetic and non-variable. Remarkably, it has recently been demonstrated that the bright, well-studied HgMn star ? And exhibits clear Hg ii line profile variations indicative of a non-uniform surface distribution of this element. Aims: .With this work, we have conducted an extensive search for magnetic fields in the photosphere of ? And. Methods: .We have acquired new circular… Expand

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