J. H. Yuan, J. Z. Li, Y. F. Huang, C. H. Hsia, J. Miao
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.
View original:
http://arxiv.org/abs/1201.3453
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