Further Mapping of the Radio Emission from Massive Young Stellar Objects

Details Further Mapping of the Radio Emission from Massive Young Stellar Objects Further Mapping of the Radio Emission from Massive Young Stellar Objects

Aug 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995apj...449..874h&link_type=abstract

Astrophysical Journal v.449, p.874

Astronomy and Astrophysics

Astronomy

12

Ism: Jets And Outflows, Radio Continuum: Stars, Stars: Individual Constellation Name: Cepheus A2, Stars: Individual Alphanumeric: Lkh Alpha 101, Stars: Pre-Main-Sequence

Scientific paper

We present high-resolution radio maps at a frequency of 1.6 GHz made with the MERLIN array of the luminous young stellar objects Cep A2 and LkHα 101. The elongation seen previously in Cep A2 appears to extend even farther in our map, supporting a jet interpretation for the morphology of this source. We discuss this and alternative mechanisms in the context of the large-scale outflows in the Cep A region. The 1.6 GHz map of LkHα 101 is more symmetric, although it does show a bright bar of emission at P.A. ≍ 135° plus other extended structures. This map is compared with the previous ones, and overall the ionized wind from this object appears to be far from homogeneous.

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