Galaxy Zoo: Dust in Spirals by Masters, K, Nichol, R, Bamford, S, Mosleh, M, Lintott, C, Andreescu, D, Edmondson, E, Keel, W, Murray, P, Raddick, M, Schawinski, K, Slosar, A, Szalay, A, Thomas, D, Vandenberg, J

“…We investigate the effect of dust on spiral galaxies by measuring the inclination-dependence of optical colours for 24,276 well-resolved SDSS galaxies visually classified in Galaxy Zoo. We find clear trends of reddening with inclination which imply a total extinction from face-on to edge-on of 0.7, 0.6, 0.5 and 0.4 magnitudes for the ugri passbands. …”

Galaxy Zoo: Bars in Disk Galaxies by Masters, K, Nichol, R, Hoyle, B, Lintott, C, Bamford, S, Edmondson, E, Fortson, L, Keel, W, Schawinski, K, Smith, A, Thomas, D

“…We present first results from Galaxy Zoo 2, the second phase of the highly successful Galaxy Zoo project (www.galaxyzoo.org). …”

Galaxy Zoo: dust in spiral galaxies star by Masters, K, Nichol, R, Bamford, S, Mosleh, M, Lintott, C, Andreescu, D, Edmondson, E, Keel, W, Murray, P, Raddick, M, Schawinski, K, Slosar, A, Szalay, A, Thomas, D, Vandenberg, J

“…We investigate the effect of dust on spiral galaxies by measuring the inclination dependence of optical colours for 24 276 well-resolved Sloan Digital Sky Survey (SDSS) galaxies visually classified via the Galaxy Zoo project. We find clear trends of reddening with inclination which imply a total extinction from face-on to edge-on of 0.7, 0.6, 0.5 and 0.4 mag for the ugri passbands (estimating 0.3 mag of extinction in z band). …”

Galaxy Zoo: the dependence of morphology and colour on environment by Bamford, S, Nichol, R, Baldry, I, Land, K, Lintott, C, Schawinski, K, Slosar, A, Szalay, A, Thomas, D, Torki, M, Andreescu, D, Edmondson, E, Miller, C, Murray, P, Raddick, M, Vandenberg, J

“…We analyse the relationships between galaxy morphology, colour, environment and stellar mass using data for over 100,000 objects from Galaxy Zoo, the largest sample of visually classified morphologies yet compiled. …”

Galaxy Zoo: the dependence of morphology and colour on environment by Bamford, S, Nichol, R, Baldry, I, Land, K, Lintott, C, Schawinski, K, Slosar, A, Szalay, A, Thomas, D, Torki, M, Andreescu, D, Edmondson, E, Miller, C, Murray, P, Raddick, M, Vandenberg, J

“…We analyse the relationships between galaxy morphology, colour, environment and stellar mass using data for over 10 5 objects from Galaxy Zoo, the largest sample of visually classified morphologies yet compiled. …”

Galaxy Zoo: Disentangling the Environmental Dependence of Morphology and Colour by Skibba, R, Bamford, S, Nichol, R, Lintott, C, Andreescu, D, Edmondson, E, Murray, P, Raddick, M, Schawinski, K, Slosar, A, Szalay, A, Thomas, D, Vandenberg, J

“…We analyze the environmental dependence of galaxy morphology and colour with two-point clustering statistics, using data from the Galaxy Zoo, the largest sample of visually classified morphologies yet compiled, extracted from the Sloan Digital Sky Survey. …”

Galaxy Zoo: the fraction of merging galaxies in the SDSS and their morphologies by Darg, D, Kaviraj, S, Lintott, C, Schawinski, K, Sarzi, M, Bamford, S, Silk, J, Proctor, R, Andreescu, D, Murray, P, Nichol, R, Raddick, M, Slosar, A, Szalay, A, Thomas, D, Vandenberg, J

“…We present the largest, most homogeneous catalogue of merging galaxies in the nearby universe obtained through the Galaxy Zoo project - an interface on the world-wide web enabling large-scale morphological classification of galaxies through visual inspection of images from the Sloan Digital Sky Survey (SDSS). …”

Galaxy Zoo: Bar Lengths in Nearby Disk Galaxies by Hoyle, B, Masters, K, Nichol, R, Edmondson, E, Smith, A, Lintott, C, Scranton, R, Bamford, S, Schawinski, K, Thomas, D

“…Barred galaxies were initially selected from the Galaxy Zoo 2 project, and the lengths and widths of the bars were manually drawn by members of the Galaxy Zoo community using a Google Maps interface. …”

Galaxy Zoo: Chiral correlation function of galaxy spins by Slosar, A, Land, K, Bamford, S, Lintott, C, Andreescu, D, Murray, P, Nichol, R, Raddick, M, Schawinski, K, Szalay, A, Thomas, D, Vandenberg, J

“…Galaxy Zoo is the first study of nearby galaxies that contains reliable information about the spiral sense of rotation of galaxy arms for a sizeable number of galaxies. …”

Galaxy Zoo: bar lengths in local disc galaxies by Hoyle, B, Masters, K, Nichol, R, Edmondson, E, Smith, A, Lintott, C, Scranton, R, Bamford, S, Schawinski, K, Thomas, D

“…Barred galaxies were initially selected from the Galaxy Zoo 2 project, and the lengths and widths of the bars were manually drawn by members of the Galaxy Zoo community using a Google Maps interface. …”

Galaxy Zoo: The fraction of merging galaxies in the SDSS and their morphologies by Darg, D, Kaviraj, S, Lintott, C, Schawinski, K, Sarzi, M, Bamford, S, Silk, J, Proctor, R, Andreescu, D, Murray, P, Nichol, R, Raddick, M, Slosar, A, Szalay, A, Thomas, D, Vandenberg, J

“…We present the largest, most homogeneous catalogue of merging galaxies in the nearby Universe obtained through the Galaxy Zoo project - an interface on the World Wide Web enabling large-scale morphological classification of galaxies through visual inspection of images from the Sloan Digital Sky Survey (SDSS). …”

Galaxy Zoo: Reproducing Galaxy Morphologies Via Machine Learning by Banerji, M, Lahav, O, Lintott, C, Abdalla, F, Schawinski, K, Bamford, S, Andreescu, D, Murray, P, Raddick, M, Slosar, A, Szalay, A, Thomas, D, Vandenberg, J

“…We present morphological classifications obtained using machine learning for objects in SDSS DR6 that have been classified by Galaxy Zoo into three classes, namely early types, spirals and point sources/artifacts. …”

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

“…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 emission lines. …”

Galaxy Zoo: A sample of blue early-type galaxies at low redshift by Schawinski, K, Lintott, C, Thomas, D, Sarzi, M, Andreescu, D, Bamford, S, Kaviraj, S, Khochfar, S, Land, K, Murray, P, Nichol, R, Raddick, M, Slosar, A, Szalay, A, VandenBerg, J, Yi, S

“…They are identified by their visual morphology as provided by Galaxy Zoo for SDSS DR6 and their u-r colour. We select a volume-limited sample in the redshift range 0.02 < z < 0.05, corresponding to luminosities of approximately L* and above, and with u-r colours significantly bluer than the red sequence. …”

Galaxy Zoo 1 : Data Release of Morphological Classifications for nearly 900,000 galaxies by Lintott, C, Schawinski, K, Bamford, S, Slosar, A, Land, K, Thomas, D, Edmondson, E, Masters, K, Nichol, R, Raddick, J, Szalay, A, Andreescu, D, Murray, P, Vandenberg, J

“…It is strongly correlated with many physical parameters, including mass, star formation history and the distribution of mass. The Galaxy Zoo project collected simple morphological classifications of nearly 900,000 galaxies drawn from the Sloan Digital Sky Survey, contributed by hundreds of thousands of volunteers. …”

Galaxy Zoo: A correlation between coherence of galaxy spin chirality and star formation efficiency by Jimenez, R, Slosar, A, Verde, L, Bamford, S, Lintott, C, Schawinski, K, Nichol, R, Andreescu, D, Land, K, Murray, P, Raddick, M, Szalay, A, Thomas, D, Vandenberg, J

“…This is obtained by cross-correlating star formation histories, derived with MOPED, and spin direction (chirality), as determined by the Galaxy Zoo project, for a sample of SDSS galaxies. Our findings suggest that spiral galaxies which formed the majority of their stars early (z > 2) tend to display coherent rotation over scales of ~10 Mpc/h. …”

Galaxy Zoo: building the low-mass end of the red sequence with local post-starburst galaxies by Wong, O, Schawinski, K, Kaviraj, S, Masters, K, Nichol, R, Lintott, C, Keel, W, Darg, D, Bamford, S, Andreescu, D, Murray, P, Raddick, M, Szalay, A, Thomas, D, VandenBerg, J

“…We present a study of local post-starburst galaxies (PSGs) using the photometric and spectroscopic observations from the Sloan Digital Sky Survey (SDSS) and the results from the Galaxy Zoo project. We find that the majority of our local PSG population have neither early- nor late- type morphologies but occupy a well-defined space within the colour-stellar mass diagram, most notably, the low-mass end of the "green valley" below the transition mass thought to be the mass division between low-mass star-forming galaxies and high-mass passively-evolving bulge-dominated galaxies. …”

Galaxy Zoo: building the low-mass end of the red sequence with local post-starburst galaxies by Wong, O, Schawinski, K, Kaviraj, S, Masters, K, Nichol, R, Lintott, C, Keel, W, Darg, D, Bamford, S, Andreescu, D, Murray, P, Raddick, M, Szalay, A, Thomas, D, VandenBerg, J

Galaxy Zoo Green Peas: Discovery of A Class of Compact Extremely Star-Forming Galaxies by Cardamone, C, Schawinski, K, Sarzi, M, Bamford, S, Bennert, N, Urry, C, Lintott, C, Keel, W, Parejko, J, Nichol, R, Thomas, D, Andreescu, D, Murray, P, Raddick, M, Slosar, A, Szalay, A, VandenBerg, J

“…We investigate a class of rapidly growing emission line galaxies, known as "Green Peas", first noted by volunteers in the Galaxy Zoo project because of their peculiar bright green colour and small size, unresolved in SDSS imaging. …”

Galaxy Zoo: The large-scale spin statistics of spiral galaxies in the Sloan Digital Sky Survey by Land, K, Slosar, A, Lintott, C, Andreescu, D, Bamford, S, Murray, P, Nichol, R, Raddick, M, Schawinski, K, Szalay, A, Thomas, D, Vandenberg, J

“…We have a sample of $\sim 37,000$ spiral galaxies from the Sloan Digital Sky Survey, with their line of sight spin direction confidently classified by members of the public through the online project Galaxy Zoo. After establishing and correcting for a certain level of bias in our handedness results we find the winding sense of the galaxies to be consistent with statistical isotropy. …”