Sh2-106 Bipolar Jet (Mau_Bard)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: HD194467 · HD194791 · HD195323 · HD195407 · HD229240 · HD229241 · HD229254 · HD229270 · LBN 211 · LBN 219 · Sh2-106

Sh2-106 Bipolar Jet

Sub-exposures taken during two temperate nights with calm air and moon in August 2022.

Sh2-106 is an emission nebula and a star formation region in the constellation Cygnus. It is a H II region estimated to be around 2,000 ly (600 pc) from Earth, in an isolated area of the Milky Way.

In the center of the nebula is a young and massive star that emits jets of hot gas from its poles, forming the bipolar structure. Dust surrounding the star is also ionized by the star. The nebula spans about 2 light-years across.

The central star, a source of infrared radiation usually referred to as S106 IR or S106 IRS 4, is believed to have been formed only 100,000 years ago. It is a massive star, approximately 15 solar masses. Two jets of matter streaming from its poles heat surrounding matter to a temperature of around 10,000 °C. Dust that is not ionized by the star's jets reflect light from the star. With an estimated surface temperature of 37,000°K, it is classified as a type O8 star. It loses a significant amount of mass in solar winds, ejecting material at around 100 km/s.

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Description: Reprocessed 6.1.2023

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Status	Advanced success
Started	...
Astrometry.net job	6136356
PixInsight job	C3G48I30O98YDYHXGVZBZ705R3PW7Z13
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	20h27m25s.930
RA (top/left)	20h24m10s.190
RA (top/right)	20h30m51s.450
RA (bottom/right)	20h30m42s.580
RA (bottom/left)	20h23m56s.283

Dec (center)	+37°23′24″.63
Dec (top/left)	+36°54′43″.49
Dec (top/right)	+36°58′04″.82
Dec (bottom/right)	+37°51′43″.83
Dec (bottom/left)	+37°48′18″.84

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Sh2-106 Bipolar Jet

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