The exciting young stellar object for the molecular outflow at the core of L1287

Details The exciting young stellar object for the molecular outflow at the core of L1287 The exciting young stellar object for the molecular outflow at the core of L1287

Jul 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993apj...411..767w&link_type=abstract

Astrophysical Journal - Part 1 (ISSN 0004-637X), vol. 411, no. 2, p. 767-772.

Astronomy and Astrophysics

Astrophysics

39

Early Stars, Infrared Imagery, Interstellar Matter, Molecular Flow, Pre-Main Sequence Stars, Reflection Nebulae, High Resolution, Molecular Clouds, Molecular Gases, Polarization Characteristics

Scientific paper

Using IR imaging, we demonstrate that a bipolar reflection nebula is associated with the nebula GN 00.33.9 at the core of the dark cloud L1287, and that these bipolar extensions are oriented with the molecular gas outflow lobes in this region. The polarization patterns in the high-resolution polarimetric maps indicate that the position of the primary source of illumination for these bipolar dust features lies to the north of both RNO 1B and RNO 1C. No NIR point source appears at the position in the images. In addition, the colors in the reflection nebulosity suggest the illuminating source is redder than either RNO 1B or RNO 1C. We suggest, therefore, that a previously unidentified young stellar object (YSO) is probably the driving source of the outflow. As the nominal position of IRAS 00338+6312 lies within 1.5 arcsec of the position of this newly identified YSO, we suggest that these are the same object. The colors and wavelength-dependent polarization levels in the vicinity of RNO 1C are most consistent with RNO 1C being a protostellar source.

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