Draft:Sh2-29

Sh2-29
Nebula
	The nebula imaged by the OmegaCam on the VST
Observation data: J2000 epoch
Right ascension	18h 10m 36s
Declination	−23° 59′ 00″
Distance	~5,500 ly
Constellation	Sagittarius
Designations	Sharpless 29
	See also: Lists of nebulae

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Instructions · What links here · Sh2-29 (talk: + · bio) · (log) · Copyvios report · reFill · Citation Bot · (Search: Google, Wikipedia) · Submitted 20 days ago by Anagabt (talk: D · +) · Last edited 20 days ago by Anagabt

Sh2-29 is an emission nebula that is part of the Sharpless catalog. It is located in the constellation Sagittarius, near the Lagoon Nebula, and is approximately 5,500 light-years away from Earth.

Characteristics

Within the nebula, the star-forming region NGC 6559 stands out. Despite its small size of only a few light-years, it showcases the potential effects that stars have on nebulae. The brightest stars are no more than 2 million years old (compared to the 4.5 billion years of the Sun) and emit strong radiation that heats dust and gas, while stellar winds erode the surrounding area. One example is a cavity excavated by a very energetic binary system and kept expanding, creating an accumulation of interstellar material that forms a reddish arc-shaped rim. The diffuse reddish light originates from the emission of hydrogen gas, while the shimmering blue light comes from reflection by dust, along with filamentary clumps of dust that block light in small dark nebulae. All this makes Sh2-29 a potential target for research on star formation.^[2]

References

^ "LBN 29 -- HII (ionized) region". SIMBAD.
^ "Sboccia alla vista una culla stellare" [A star cradle blossoms into view]. media.inaf.it (in Italian). 13 December 2017.

External links

"SH2-29 (Sharpless 29)".

[1] "LBN 29 -- HII (ionized) region". SIMBAD.

[2] "Sboccia alla vista una culla stellare" [A star cradle blossoms into view]. media.inaf.it (in Italian). 13 December 2017.

[1]

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Draft:Sh2-29

Characteristics

References

External links