AAS 207th Meeting, 8-12 January 2006
Session 114 Massive Binaries
Poster, Wednesday, 9:20am-6:30pm, January 11, 2006, Exhibit Hall

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[114.12] Long-term Photometry of Eta Carinae

S. R. Aggarwal (Haverford College, Cerro Tololo Inter-American Observatory), N. Suntzeff, A. Whiting (Cerro Tololo Inter-American Observatory)

Eta Carinae is a supermassive star roughly 3kpc from the sun that is expected to supernova in the next 10,000 years. This highly variable star has been observed to fluctuate in brightness over nine magnitudes in the past 300 years. The data being presented are preliminary findings from our long-term photometric project to monitor Eta Car using data taken with the SMARTS 1.3m telescope with the ANDICAM optical/near-infrared imager. Data are being taken in four wavelengths: V, H, I, and a narrow band filter measuring helium emission at 10830 Å. We have observed significant non-periodic variation on the two week time scale in all four bands being recorded.

If you would like more information about this abstract, please follow the link to http://www.ctio.noao.edu/REU/ctioreu\_2005/Projects2005/saggarwal/index.html. This link was provided by the author. When you follow it, you will leave the Web site for this meeting; to return, you should use the Back comand on your browser.

The author(s) of this abstract have provided an email address for comments about the abstract: mailto:EtaCarIsTheStar@hotmail.com

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