Spitzer and near-infrared observations of a new bi-polar protostellar outflow in the Rosette Molecular Cloud

Abstract

We present and discuss \emph{Spitzer} and near-infrared H${}_2$ observations of a new bi-polar protostellar outflow in the Rosette Molecular Cloud. The outflow is seen in all four IRAC bands and partially as diffuse emission in the MIPS 24 $\mu$m band. An embedded MIPS 24 $\mu$m source bisects the outflow and appears to be the driving source. This source is coincident with a dark patch seen in absorption in the 8 $\mu$m IRAC image. \emph{Spitzer} IRAC color analysis of the shocked emission was performed from which thermal and column density maps of the outflow were constructed. Narrow-band near-infrared (NIR) images of the flow reveal H${}_2$ emission features coincident with the high temperature regions of the outflow. This outflow has now been given the designation MHO 1321 due to the detection of NIR H${}_2$ features. We use these data and maps to probe the physical conditions and structure of the flow.

Accepted for publication in The Astrophysical Journal

References in corpus (11)

• Spitzer Observations of NGC 1333: A Study of Structure and Evolution in a Nearby Embedded Cluster
• Polycyclic aromatic hydrocarbon processing in a hot gas
• The Mid-Infrared Extinction Law in the Ophiuchus, Perseus, and Serpens Molecular Clouds
• Recipes for stellar jets: results of combined optical/infrared diagnostics
• A General Catalogue of Molecular Hydrogen Emission-Line Objects (MHOs) in Outflows from Young Stars
• Outflows from Massive YSOs as Seen with the Infrared Array Camera
• Highly Collimated Jets and Wide-Angle Outflows in HH46/47: New Evidence from Spitzer IR Images
• A FLAMINGOS Deep Near Infrared Imaging Survey of the Rosette Complex I: Identification and Distribution of the Embedded Population
• Spitzer IRAC Detection and Analysis of Shocked Molecular Hydrogen Emission
• A large-scale CO survey of the Rosette Molecular Cloud: assessing the effects of O stars on surrounding molecular gas
• Numerical Simulations of a Protostellar Outflow Colliding with a Dense Molecular Cloud

Cited by in corpus (7)

• A 95 GHz Class I Methanol Maser Survey Toward GLIMPSE Extended Green Objects (EGOs)
• Bipolar Molecular Outflows and Hot Cores in GLIMPSE Extended Green Objects (EGOs)
• A Water Maser and Ammonia Survey of GLIMPSE Extended Green Objects (EGOs)
• Spitzer spectral line mapping of protostellar outflows: III - H_2 emission in L1448, BHR71, and NGC2071
• Testing Triggered Star Formation in Six H II Regions
• Spitzer IRAC Color Diagnostics for Extended Emission in Star Forming Regions
• Spitzer-IRAC survey of molecular jets in Vela-D