Infrared outburst in Arp 299

Details Infrared outburst in Arp 299 Infrared outburst in Arp 299

Apr 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009sptz.prop60142m&link_type=abstract

Spitzer Proposal ID #60142

Physics

Scientific paper

Arp 299 is one of the nearest examples of a luminous infrared galaxy. We discovered a strong infrared outburst in Arp 299 at near-infrared wavelengths which we have been monitoring now for four years. The outburst is apparent at infrared wavelengths but not in the optical indicating emission from warm dust and a high extinction. This source could originate from an IR 'dust echo' resulting either from a very energetic and highly obscured SN or an outburst of a highly obscured active galactic nucleus. To study the origin of this outburst we propose short IRAC observations.

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