Near-infrared detection of H${}_2$ flows in the core of Mon R1 association

Abstract

We report the discovery of 4 new H${}_2$ jets in Mon R1 star-forming region on the images obtained with the 2.5-m telescope of the Caucasian Mountain Observatory of SAI MSU through the filter, centered on the H${}_2$ 1-0 S(1) emission line. This discovery confirms the nature of these flows, which existence was previously suspected using archival Spitzer GLIMPSE360 and WISE survey images. Also two infrared reflection nebulae were revealed. On the Herschel PACS survey images we found a small group of far-infrared sources, mostly unknown ones. Among them are the possible exciting objects of these outflows. Spectral energy distributions of new sources show their extremely red colour and the bolometric luminosities reaching 3 L${}_{sun}$ and even 10 L${}_{sun}$. They should be PMS objects at the very early evolutionary stages.

arXiv comment8 pages, 6 figures. Accepted for publication in MNRAS

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