Flaming Star and Tadpoles Nebulas (Dan)

Flaming Star and Tadpoles Nebulas

The right side object is a beautifully textured emission/reflection nebula which spans 25 light years and is located 1500 years away in the constellation of Auriga at a declination of +34 degrees. It is named the flaming star nebula.

This object, also known as Sh2-229 and Caldwell 31, is nicknamed The Flaming Star Nebula because of both the reddish and bluish RGB colors surrounding the brightest star, AE Aurigae. As shown on the mouseover, AE Aurigae is the brightest white star in the nebula. This magnitude 6 variable star ionizes the hydrogen gas around it, emitting red light as a strong emission nebula, and creates light from starlight-reflected dust, emitting blue light as a reflection nebula. This reflection nebula is vdB 34.

It is believed that AE Aurigae did not condense from the surrounding nebula, as most do, but is believed to have originated in Orion and is now an ejected runaway star passing through this area. The collision responsible for this ejection is believed to have occurred 2 million years ago and has been traced back to the Orion Nebula Trapezium cluster.

AE Aurigae is at the head of a small 4 star kite-shaped asterism in the central nebula region, with the top of the kite pointing down and to the left. The tail of the kite is the double star HD 34030.

The left side object is an emission nebula located 12,000 light years away in the constellation of Auriga at a declination of +33 degrees. It called the tadpole nebula.

This nebula is illuminated by the central open cluster of hot stars known as NGC 1893. These stars not only illuminate the nebula, but also emit strong stellar winds that have sculpted it. At the upper left, what were once two thick, majestic pillars of cold gas and dust have been so heavily eroded by the stellar winds that they now resemble tadpoles. The leading globules of the pillars still remain and represent the tadpoles heads, pointed at the star cluster. Radiation from the star cluster evaporates cold gas from the surface of the pillars, ionizes it, and the stellar winds blow it back against the globules, forming bright ridges of ionized gas. The tadpole pillars are about 6 arc-minutes long in our apparent view, which corresponds to a distance of about 20 light years.

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