description Sh2-297 Overview
Sh2-297 is an emission nebula and H II region in the constellation Canis Major, catalogued by Stewart Sharpless in his 1959 survey of Galactic ionized-hydrogen regions. It forms part of the broader CMa OB1 star-forming complex and contains gas illuminated by nearby hot stars. Astronomers study the region for its embedded young stellar objects, molecular material, and evidence of continuing star formation within the surrounding cloud.
help Sh2-297 FAQ
What kind of object is Sh2-297?
Sh2-297 is an emission nebula and H II region in the constellation Canis Major. Its gas glows after being illuminated by nearby hot stars.
Who catalogued Sh2-297?
The nebula appears in Stewart Sharpless’s 1959 survey of Galactic ionized-hydrogen regions. The Sh2 designation comes from that Sharpless catalog.
What larger star-forming region contains Sh2-297?
Sh2-297 forms part of the broader CMa OB1 star-forming complex. That complex is associated with gas, young stars, and active stellar formation in Canis Major.
Why does Sh2-297 glow?
It glows because nearby hot stars illuminate and ionize its gas. This makes it an emission nebula and an H II region.
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