原恒星核中磁场与外流的错位
太阳与恒星天体物理
2013-05-01 v2 星系天体物理
摘要
我们展示了利用 CARMA 以约 2.5 角秒分辨率对 16 颗邻近低质量原恒星进行的 1.3 毫米尘埃偏振观测结果。结果表明，在约 1000 AU 尺度上的原恒星核内，磁场与原恒星的外流并未紧密对齐。相反，数据支持外流与磁场优先错位（垂直）或随机对齐的情景。如果假设外流沿星周盘的旋转轴出现，且外流未扰乱周围物质中的磁场，那么我们的结果意味着这些盘与其形成所在的核内磁场并不对齐。
引用
@article{arxiv.1212.0540,
title = {Misalignment of Magnetic Fields and Outflows in Protostellar Cores},
author = {Charles L. H. Hull and Richard L. Plambeck and Alberto D. Bolatto and Geoffrey C. Bower and John M. Carpenter and Richard M. Crutcher and Jason D. Fiege and Erica Franzmann and Nicholas S. Hakobian and Carl Heiles and Martin Houde and A. Meredith Hughes and Katherine Jameson and Woojin Kwon and James W. Lamb and Leslie W. Looney and Brenda C. Matthews and Lee Mundy and Thushara Pillai and Marc W. Pound and Ian W. Stephens and John J. Tobin and John E. Vaillancourt and N. H. Volgenau and Melvyn C. H. Wright},
journal= {arXiv preprint arXiv:1212.0540},
year = {2013}
}
备注
6 pages, 2 figures, 1 table