A narrow-band survey of star-formation regions is under way with the 1-m Schmidt telescope at the Byurakan Observatory (the Byurakan Narrow Band Imaging Survey, BNBIS). One of the goals of the survey is a search for Herbig-Haro (HH) type outflows in the neighborhoods of bright infrared sources in dark clouds. One of the first discoveries in this program was an extended bipolar outflow from the optically invisible IRAS 06212-1049 source associated with a previously unknown biconical reflecting nebula. This bipolar outflow (HH 1216) consist of several optically bright HH-knots and a small emission jet along the axis of the nebula. The overall length of the observable part of the HH 1216 outflow is estimated at about 1 pc and its distance at ~950 pc. The bolometric luminosity of the source IRAS 06212-1049 is at least 13 L⨀. Yet another HH-knot, HH 1217, has been observed near the source IRAS 06216-1044 with a luminosity of at least 13 L⨀ and located in the same dark cloud. Yet another isolated emission object has been found in this region; it is probably a distant planetary nebula.
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Translated from Astrofizika, Vol. 65, No. 2, pp. 215-225, May 2022.
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Movsessian, T.A., Magakian, T.Y. & Andreasyan, H.R. HH 1216: The Extended Bipolar Flow Associated with IRAS 06212-1049. Astrophysics 65, 193–202 (2022). https://doi.org/10.1007/s10511-022-09731-5
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DOI: https://doi.org/10.1007/s10511-022-09731-5