Mapping Circumstellar Magnetic Fields of Late-type Evolved Stars with the Goldreich–Kylafis Effect: CARMA Observations at λ1.3 mm of R Crt and R Leo

  title={Mapping Circumstellar Magnetic Fields of Late-type Evolved Stars with the Goldreich–Kylafis Effect: CARMA Observations at $\lambda$1.3 mm of R Crt and R Leo},
  author={K.-Y. Huang and A. J. Kemball and Wouter H. T. Vlemmings and Shih-Ping Lai and L. Yang and Iv{\'a}n Agudo},
  journal={arXiv: Solar and Stellar Astrophysics},
Mapping magnetic fields is the key to resolving what remains an unclear physical picture of circumstellar magnetic fields in late-type evolved stars. Observations of linearly polarized emission from thermal molecular line transitions due to the Goldreich-Kylafis (G-K) effect provides valuable insight into the magnetic field geometry in these sources that is complementary to other key studies. In this paper, we present the detection of spectral-line polarization from both the thermal $J=2-1$ CO… 
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