The discovery based on GLIMPSE data of a protostar driving a bipolar outflow

(2) The University of Hong Kong; (3) University of Kent); C. H. Hsia (2); J. H. Yuan (1); J. Miao (3) ((1) NAOC; J. Z. Li (1); Y. F. Huang (1)

arxiv: 1201.3453 · v2 · pith:AYEGP67Vnew · submitted 2012-01-17 · 🌌 astro-ph.SR

The discovery based on GLIMPSE data of a protostar driving a bipolar outflow

J. H. Yuan (1) , J. Z. Li (1) , Y. F. Huang (1) , C. H. Hsia (2) , J. Miao (3) ((1) NAOC , (2) The University of Hong Kong , (3) University of Kent) This is my paper

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keywords bipolardrivingoutflowdataglimpsediscoveryindicatesinfrared

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We report the discovery based on GLIMPSE data of a proto-stellar system driving a bipolar outflow . The bipolar outflow closely resembles the shape of an hourglass in the infrared. The total luminosity of L_total=5507 L_sun, derived from IRAS fluxes, indicates the ongoing formation of a massive star in this region. The spectral energy distribution (SED) of the driving source is fitted with an online SED fitting tool, which results in a spectral index of about 1.2. This, along with the presence of a bipolar outflow, suggests the detection of a Class I protostar. The driving source indicates prominent infrared excesses in color-color diagrams based on archived 2MASS and GLIMPSE data, which is in line with an early evolutionary stage of the system.

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The discovery based on GLIMPSE data of a protostar driving a bipolar outflow

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