Optical Emission Band Morphologies of the Red Rectangle

Details Optical Emission Band Morphologies of the Red Rectangle Optical Emission Band Morphologies of the Red Rectangle

2006-09-08

arxiv.org/abs/astro-ph/0609244v1

Astrophys.J.653:1336-1341,2006

Astronomy and Astrophysics

Astrophysics

Accepted to ApJ

Scientific paper

10.1086/509061

We present narrow-band images of the Red Rectangle (RR) nebula which reveal the distinct morphologies of this intriguing nebula in different optical emission bands. The morphology of the RR nebula in blue luminescence (BL) and extended red emission (ERE) are almost mutually exclusive. We also present the optical detection of the circum-binary disk of the RR in the light of the BL. The total intensities from the two optical band emissions (BL and ERE) when summed over the nebula are of comparable magnitude. Their spatial distributions with respect to the embedded illumination sources lead us to suggest that they may be attributed to different ionization stages of the same family of carriers.

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