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The jet of BP Tau
Astronomy & Astrophysics ( IF 6.5 ) Pub Date : 2024-04-25 , DOI: 10.1051/0004-6361/202449436
A.V. Dodin , S.A. Potanin , M.A. Burlak , D.V. Cheryasov , N.P. Ikonnikova , S.A. Lamzin , B.S. Safonov , N.I. Shatskii , A.M. Tatarnikov

Context. A strong global magnetic field of young low-mass stars and a high accretion rate are the necessary conditions for the formation of collimated outflows (jets) from these objects. But it is still unclear whether these conditions are also sufficient.Aims. We aim to check whether BP Tau, an actively accreting young star with a strong magnetic field, has a jet.Methods. We carried out narrowband [S II] 672 nm imaging and spectroscopic observations of BP Tau and its vicinity.Results. We find that BP Tau is a source of a Herbig-Haro flow (assigned number HH 1181), which includes two HH objects moving from the star in opposite directions and a micro- (counter-) jet of ∼1″ projected length. The flow is oriented along position angle 59 ± 1°.

中文翻译:

BP Tau 的喷气式飞机

语境。年轻的低质量恒星的强大全球磁场和高吸积率是这些天体形成准直外流(射流)的必要条件。但目前还不清楚这些条件是否也足够。目标。我们的目标是检查 BP Tau(一颗具有强磁场的活跃吸积年轻恒星)是否拥有喷流。方法。我们对BP Tau及其附近区域进行了窄带[S II] 672 nm成像和光谱观测。结果。我们发现 BP Tau 是赫比格-哈罗流(分配号 HH 1181)的来源,其中包括两个从恒星以相反方向移动的 HH 物体和一个投​​射长度约为 1 英寸的微(反)射流。流动方向沿位置角 59 ± 1°。
更新日期:2024-04-25
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