New H2 Jets in Monoceros R2

Abstract

We are presenting a wide-field image of the Mon R2 star forming region obtained with WFCAM on UKIRT in the 2.12 micron filter centered on the H2 1--0 S(1) emission line. We report the discovery of 15 new H2 jets in Mon R2 and two in L 1646 and confirm most of these discoveries using archival Spitzer IRAC 4.5 and 8.0 micron images. We find that many of these protostellar jets are found in projection against the outflow cavities of the huge CO outflow in Mon R2, suggesting that the jets may be associated with an episode of star formation in Mon R2 triggered by this large, but now fossil, outflow. We also study the spatial distribution of small, localized reflection nebulae and find that these are distributed in the same way as photometrically identified Class I sources.

46 pages with 19 figures. Accepted for publication in The Astronomical Journal

References in corpus (12)

• The Infrared Array Camera (IRAC) for the Spitzer Space Telescope
• 2MASS Observations of the Perseus, Orion A, Orion B, and Monoceros R2 Molecular Clouds
• The UKIRT Infrared Deep Sky Survey Early Data Release
• Observational Implications of Precessing Protostellar Discs and Jets
• WFCAM, Spitzer-IRAC and SCUBA observations of the massive star forming region DR21/W75: I. The collimated molecular jets
• Precession of collimated outflows from young stellar objects
• Outflows from Massive YSOs as Seen with the Infrared Array Camera
• A 13CO and C18O Survey of the Molecular Gas Around Young Stellar Clusters Within 1kpc of the Sun
• WFCAM, Spitzer-IRAC and SCUBA observations of the massive star forming region DR21/W75: II. Stellar content and star formation
• NICMOS/HST Observations of the Embedded Cluster Associated with Mon R2: Constraining the sub-stellar Initial Mass Function
• An S-shaped outflow from IRAS 03256+3055 in NGC 1333
• Molecular Hydrogen Outflows in W51

Cited by in corpus (8)

• A General Catalogue of Molecular Hydrogen Emission-Line Objects (MHOs) in Outflows from Young Stars
• UWISH2 -- The UKIRT Widefield Infrared Survey for H2
• A $Herschel-SPIRE$ Survey of the Mon R2 Giant Molecular Cloud: Analysis of the Gas Column Density Probability Density Function
• Far-infrared observations of a massive cluster forming in the Monoceros R2 filament hub
• Submillimeter Array High-angular Resolution Observations of the Monoceros R2 Star Forming Cluster
• YSO jets in the Galactic Plane from UWISH2: V - Jets and Outflows in M17
• The star forming region Monoceros R2 as a gamma-ray source
• HOPS 361-C's Jet Decelerating and Precessing Through NGC 2071 IR