Arp 220 Spectral Survey

The discovery of methanimine in Arp 220 with the Arecibo telescope was publicly announced at the AAS meeting in Austin, TX, on January 11, 2007.

The story has been picked up by a number of news outlets around the world. A selection of english-language coverage is given below::

• Science Daily
• PhysOrg
• Discovery Channel
• National Geographic
• NASA's Astrobiology Magazine
• Malaysia Sun (Malaysian)
• Financial Express (Indian)

A more comprehensive list of on-line coverage can be found here.

The discovery has already been the subject of three scientific papers at two conferences. A journal paper has been submitted to the Astronomical Journal, where it is currently being refereed.

• Paper submitted to the Astronomical Journal — unrefereed pre-print
• AAS 211 poster (Salter et al.)
• AAS 211 poster (Ghosh et al.)
• Modern Radio Universe poster
• Modern Radio Universe proceedings

Composite image: R. Minchin/NAIC from an original photo by J. Acevedo/NAIC