Near-Infrared Discovery of the L810 Nebula Illuminator

Astronomy and Astrophysics – Astronomy

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Scientific paper

As part of a deep near-infrared imaging survey of point sources in Bok globules, we have discovered the illuminator of the nebula seen towards the Bok globule L810. The illuminator (L810IRS) is located at the position predicted by Scarrot et al. from analysis of their optical CCD polarimetry. Additionally, a near-infrared nebula was found which extends symmetrically to the north and south of L810IRS, exhibiting an hourglass shape. Both the morphology and orientation of the near-infrared nebula are in good agreement with the morphology and orientation of the high-velocity molecular outflow associated with L810. Finally, we found a near-infrared jet-like structure whose long axis points back to L810IRS. Together, these findings indicate that L810IRS is likely to be a deeply embedded, very active young stellar object within the L810 cloud.

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