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Companion Explains "Chameleon" Supernova

For Release on Wednesday, May 3rd, 2006

Based on Anglo-Australian Observatory (Sydney Australia) Press Release

Can Mid-Infrared Outflows Masquerade as Circumstellar Disks?

April 21, 2006

Astronomers traditionally attribute mid-infrared emission from young newly-forming stars to circumstellar disks. However, new observations using the Thermal-Region Camera and Spectrograph (T-ReCS) on Gemini South reveal that in at least one case the mid-infrared emission from a young stellar source is associated with a spectacular outflow.

Eta Carinae: A Spectacular Show From A Convulsing Massive Star