Galaxy Zoo : 'Hanny's Voorwerp', a quasar light echo?

We report the discovery of an unusual object near the spiral galaxy IC 2497, discovered by visual inspection of the Sloan Digital Sky Survey (SDSS) as part of the Galaxy Zoo project. The object, known as Hanny's Voorwerp, is bright in the SDSS g band due to unusually strong OIII 4959-5007 emiss...

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Bibliographic Details
Main Authors:	Lintott, C, Schawinski, K, Keel, W, Arkel, H, Bennert, N, Edmondson, E, Thomas, D, Smith, D, Herbert, P, Jarvis, M, Virani, S, Andreescu, D, Bamford, S, Land, K, Murray, P, Nichol, R, Raddick, J, Slosar, A, Szalay, A, Vandenberg, J
Format:	Journal article
Language:	English
Published:	2009

Galaxy Zoo : 'Hanny's Voorwerp', a quasar light echo?

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