Galaxy Zoo Talk

Quasars

by lgardi

Are those two orange blobs on either side of the central galaxy quasars?

Posted September 12, 2012 8:06 PM

Collection: Quasars

by lgardi

Are those two orange blobs on either side of the central galaxy quasars?

Posted September 12, 2012 8:04 PM
by KWillett scientist, admin, translator

One is classified as a galaxy by the SDSS pipeline, while the other is classified as a star. Explore! - http://bit.ly/Pc64zm

Posted September 12, 2012 8:19 PM
by KWillett scientist, admin, translator

But many/most quasars in SDSS are classified as stars, since they're pointlike. Spectra or multi-wavelength data helps separate the two.

Posted September 12, 2012 8:20 PM