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ZOONIVERSE PAPERS

All Zooniverse papers published in Monthly Notices of the Royal Astronomical Society are free to read online.

The Royal Astronomical Society and Oxford University Press are making papers arising from Zooniverse projects published in Monthly Notices of the Royal Astronomical Society free to read online. These papers are the results of collaboration with hundreds of thousands of 'citizen scientist' volunteers, many of whom are not at academic institutions. The papers have been made freely available to ensure that all of those contributing to them can read the official published version of the article.

Galaxy Zoo: morphological classifications for 120 000 galaxies in HST legacy imaging
Kyle W. Willett, Melanie A. Galloway, Steven P. Bamford, Chris J. Lintott, Karen L. Masters, Claudia Scarlata, B. D. Simmons, Melanie Beck, Carolin N. Cardamone, Edmond Cheung, Edward M. Edmondson, Lucy F. Fortson, Roger L. Griffith, Boris Haußler, Anna Han, Ross Hart, Thomas Melvin, Michael Parrish, Kevin Schawinski, R. J. Smethurst and Arfon M. Smith

Galaxy Zoo: evidence for rapid, recent quenching within a population of AGN host galaxies
R. J. Smethurst, C. J. Lintott, B. D. Simmons, K. Schawinski, S. P. Bamford, C. N. Cardamone, S. J. Kruk, K. L. Masters, C. M. Urry, K. W. Willett and O. I. Wong

Galaxy Zoo: comparing the demographics of spiral arm number and a new method for correcting redshift bias
Ross E. Hart, Steven P. Bamford, Kyle W. Willett, Karen L. Masters, Carolin Cardamone, Chris J. Lintott, Robert J. Mackay, Robert C. Nichol, Christopher K. Rosslowe, Brooke D. Simmons, and Rebecca J. Smethurst

The Red Radio Ring: a gravitationally lensed hyperluminous infrared radio galaxy at z = 2.553 discovered through the citizen science project SPACE WARPS
J. E. Geach, A. More, A. Verma, P. J. Marshall, N. Jackson, P.-E. Belles, R. Beswick, E. Baeten, M. Chavez, C. Cornen, B. E. Cox, T. Erben, N. J. Erickson, S. Garrington, P. A. Harrison, K. Harrington, D. H. Hughes, R. J. Ivison, C. Jordan, Y.-T. Lin, A. Leauthaud, C. Lintott, S. Lynn, A. Kapadia, J.-P. Kneib, C. Macmillan, M. Makler, G. Miller, A. Montaña, R. Mujica, T. Muxlow, G. Narayanan, D. Ó Briain, T. O'Brien, M. Oguri, E. Paget, M. Parrish, N. P. Ross, E. Rozo, C. E. Rusu, E. S. Rykoff, D. Sanchez-Argüelles, R. Simpson, C. Snyder, F. P. Schloerb, M. Tecza, W-H. Wang, L. Van Waerbeke, J. Wilcox, M. Viero, G. W. Wilson, M. S. Yun and M. Zeballos

Galaxy Zoo: morphologies derived from visual inspection of galaxies from the Sloan Digital Sky Survey
Chris J. Lintott, Kevin Schawinski, Anže Slosar, Kate Land, Steven Bamford, Daniel Thomas, M. Jordan Raddick, Robert C. Nichol, Alex Szalay, Dan Andreescu, Phil Murray and Jan Vandenberg

Galaxy Zoo: the dependence of morphology and colour on environment
Steven P. Bamford, Robert C. Nichol, Ivan K. Baldry, Kate Land, Chris J. Lintott, Kevin Schawinski, Anže Slosar, Alexander S. Szalay, Daniel Thomas, Mehri Torki, Dan Andreescu, Edward M. Edmondson, Christopher J. Miller, Phil Murray, M. Jordan Raddick and Jan Vandenberg

Galaxy Zoo: disentangling the environmental dependence of morphology and colour
Ramin A. Skibba, Steven P. Bamford, Robert C. Nichol, Chris J. Lintott, Dan Andreescu, Edward M. Edmondson, Phil Murray, M. Jordan Raddick, Kevin Schawinski, Anže Slosar, Alexander S. Szalay, Daniel Thomas and Jan Vandenberg

Galaxy Zoo 1: data release of morphological classifications for nearly 900 000 galaxies
Chris Lintott, Kevin Schawinski, Steven Bamford, Anže Slosar, Kate Land, Daniel Thomas, Edd Edmondson, Karen Masters, Robert C. Nichol, M. Jordan Raddick, Alex Szalay, Dan Andreescu, Phil Murray and Jan Vandenberg

Galaxy Zoo: passive red spirals
Karen L. Masters, Moein Mosleh, A. Kathy Romer, Robert C. Nichol, Steven P. Bamford, Kevin Schawinski, Chris J. Lintott, Dan Andreescu, Heather C. Campbell, Ben Crowcroft, Isabelle Doyle, Edward M. Edmondson, Phil Murray, M. Jordan Raddick, Anže Slosar, Alexander S. Szalay and Jan Vandenberg

Galaxy Zoo: the properties of merging galaxies in the nearby Universe – local environments, colours, masses, star formation rates and AGN activity
D. W. Darg, S. Kaviraj, C. J. Lintott, K. Schawinski, M. Sarzi, S. Bamford, J. Silk, D. Andreescu, P. Murray, R. C. Nichol, M. J. Raddick, A. Slosar, A. S. Szalay, D. Thomas and J. Vandenberg

Galaxy Zoo: a sample of blue early-type galaxies at low redshift
Kevin Schawinski, Chris Lintott, Daniel Thomas, Marc Sarzi, Dan Andreescu, Steven P. Bamford, Sugata Kaviraj, Sadegh Khochfar, Kate Land, Phil Murray, Robert C. Nichol, M. Jordan Raddick, Anže Slosar, Alex Szalay, Jan VandenBerg and Sukyoung K. Yi

Galaxy Zoo: dust in spiral galaxies
Karen L. Masters, Robert Nichol, Steven Bamford, Moein Mosleh, Chris J. Lintott, Dan Andreescu, Edward M. Edmondson, William C. Keel, Phil Murray, M. Jordan Raddick, Kevin Schawinski, Anže Slosar, Alexander S. Szalay, Daniel Thomas and Jan Vandenberg

Galaxy Zoo Green Peas: discovery of a class of compact extremely star-forming galaxies
Carolin Cardamone, Kevin Schawinski, Marc Sarzi, Steven P. Bamford, Nicola Bennert, C. M. Urry, Chris Lintott, William C. Keel, John Parejko, Robert C. Nichol, Daniel Thomas, Dan Andreescu, Phil Murray, M. Jordan Raddick, Anže Slosar, Alex Szalay and Jan VandenBerg

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

Galaxy Zoo: bars in disc galaxies
Karen L. Masters, Robert C. Nichol, Ben Hoyle, Chris Lintott, Steven P. Bamford, Edward M. Edmondson, Lucy Fortson, William C. Keel, Kevin Schawinski, Arfon M. Smith and Daniel Thomas

Galaxy Zoo: 'Hanny's Voorwerp', a quasar light echo?
Chris J. Lintott1, Kevin Schawinski, William Keel, Hanny Van Arkel, Nicola Bennert, Edward Edmondson, Daniel Thomas, Daniel J. B. Smith, Peter D. Herbert, Matt J. Jarvis, Shanil Virani, Dan Andreescu, Steven P. Bamford, Kate Land, Phil Murray, Robert C. Nichol, M. Jordan Raddick, Anže Slosar, Alex Szalay and Jan Vandenberg

Galaxy Zoo: the large-scale spin statistics of spiral galaxies in the Sloan Digital Sky Survey
Kate Land, Anže Slosar, Chris Lintott, Dan Andreescu, Steven Bamford, Phil Murray, Robert Nichol, M. Jordan Raddick, Kevin Schawinski, Alex Szalay, Daniel Thomas and Jan Vandenberg

Galaxy Zoo: chiral correlation function of galaxy spins
Anže Slosar, Kate Land, Steven Bamford, Chris Lintott, Dan Andreescu, Phil Murray, Robert Nichol, M. Jordan Raddick, Kevin Schawinski, Alex Szalay, Daniel Thomas and Jan Vandenberg

Galaxy Zoo Supernovae
A. M. Smith, S. Lynn, M. Sullivan, C. J. Lintott, P. E. Nugent, J. Botyanszki, M. Kasliwal, R. Quimby, S. P. Bamford, L. F. Fortson, K. Schawinski, I. Hook, S. Blake, P. Podsiadlowski, J. Jönsson, A. Gal-Yam, I. Arcavi, D. A. Howell, J. S. Bloom, J. Jacobsen, S. R. Kulkarni, N. M. Law, E. O. Ofek and R. Walters

Galaxy Zoo: bar lengths in local disc galaxies
Ben Hoyle, Karen. L. Masters, Robert C. Nichol, Edward M. Edmondson, Arfon M. Smith, Chris Lintott, Ryan Scranton, Steven Bamford, Kevin Schawinski and Daniel Thomas

Galaxy Zoo: reproducing galaxy morphologies via machine learning
Manda Banerji, Ofer Lahav, Chris J. Lintott, Filipe B. Abdalla, Kevin Schawinski, Steven P. Bamford, Dan Andreescu, Phil Murray, M. Jordan Raddick, Anze Slosar, Alex Szalay, Daniel Thomas and Jan Vandenberg

Planet Hunters: the first two planet candidates identified by the public using the Kepler public archive data
Debra A. Fischer, Megan E. Schwamb, Kevin Schawinski, Chris Lintott, John Brewer, Matt Giguere, Stuart Lynn, Michael Parrish, Thibault Sartori, Robert Simpson, Arfon Smith, Julien Spronck, Natalie Batalha, Jason Rowe, Jon Jenkins, Steve Bryson, Andrej Prsa, Peter Tenenbaum, Justin Crepp, Tim Morton, Andrew Howard, Michele Beleu, Zachary Kaplan, Nick vanNispen, Charlie Sharzer, Justin DeFouw, Agnieszka Hajduk, Joe P. Neal, Adam Nemec, Nadine Schuepbach and Valerij Zimmermann

Galaxy Zoo: dust and molecular gas in early-type galaxies with prominent dust lanes
Debra A. Fischer, Megan E. Schwamb, Kevin Schawinski, Chris Lintott, John Brewer, Matt Giguere, Stuart Lynn, Michael Parrish, Thibault Sartori, Robert Simpson, Arfon Smith, Julien Spronck, Natalie Batalha, Jason Rowe, Jon Jenkins, Steve Bryson, Andrej Prsa, Peter Tenenbaum, Justin Crepp, Tim Morton, Andrew Howard, Michele Beleu, Zachary Kaplan, Nick vanNispen, Charlie Sharzer, Justin DeFouw, Agnieszka Hajduk, Joe P. Neal, Adam Nemec, Nadine Schuepbach and Valerij Zimmermann

The Milky Way Project First Data Release: a bubblier Galactic disc
R. J. Simpson, M. S. Povich, S. Kendrew, C. J. Lintott, E. Bressert, K. Arvidsson, C. Cyganowski, S. Maddison, K. Schawinski, R. Sherman, A. M. Smith and G. Wolf-Chase

Galaxy Zoo: dust lane early-type galaxies are tracers of recent, gas-rich minor mergers
Stanislav S. Shabala, Yuan-Sen Ting, Sugata Kaviraj, Chris Lintott, R. Mark Crockett, Joseph Silk, Marc Sarzi, Kevin Schawinski, Steven P. Bamford and Edd Edmondson

Galaxy Zoo: the environmental dependence of bars and bulges in disc galaxies
Ramin A. Skibba, Karen L. Masters, Robert C. Nichol, Idit Zehavi, Ben Hoyle, Edward M. Edmondson, Steven P. Bamford, Carolin N. Cardamone, William C. Keel, Chris Lintott and Kevin Schawinski

Galaxy Zoo: a correlation between the coherence of galaxy spin chirality and star formation efficiency
Raul Jimenez, Anže Slosar, Licia Verde, Steven Bamford, Chris Lintott, Kevin Schawinski, Robert Nichol, Dan Andreescu, Kate Land, Phil Murray, M. Jordan Raddick, Alex Szalay, Daniel Thomas and Jan Vandenberg

Galaxy Zoo and ALFALFA: atomic gas and the regulation of star formation in barred disc galaxies
Karen L. Masters, Robert C. Nichol, Martha P. Haynes, William C. Keel, Chris Lintott, Brooke Simmons, Ramin Skibba, Steven Bamford, Riccardo Giovanelli and Kevin Schawinski

The Galaxy Zoo survey for giant AGN-ionized clouds: past and present black hole accretion events
William C. Keel, S. Drew Chojnowski, Vardha N. Bennert, Kevin Schawinski, Chris J. Lintott, Stuart Lynn, Anna Pancoast, Chelsea Harris, A. M. Nierenberg, Alessandro Sonnenfeld and Richard Proctor

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

Galaxy Zoo: multimergers and the Millennium Simulation
D. W. Darg, S. Kaviraj, C. J. Lintott, K. Schawinski, J. Silk, S. Lynn, S. Bamford and R. C. Nichol

Polar ring galaxies in the Galaxy Zoo
Ido Finkelman, José G. Funes S. J. and Noah Brosch

The distribution of interplanetary dust between 0.96 and 1.04 au as inferred from impacts on the STEREO spacecraft observed by the heliospheric imagers
Galaxy Zoo Supernovae
C. J. Davis, J. A. Davies, O. C. St Cyr, M. Campbell-Brown, A.Skelt, M. Kaiser, Nicole Meyer-Vernet, S. Crothers, C. Lintott, A. Smith, S. Bamford and E. M. L. Baeten

PTF10ops – a subluminous, normal-width light curve Type Ia supernova in the middle of nowhere
K. Maguire, M. Sullivan, R. C. Thomas, P. Nugent, D. A. Howell, A. Gal-Yam, I. Arcavi, S. Ben-Ami, S. Blake, J. Botyanszki, C. Buton, J. Cooke, R. S. Ellis, I. M. Hook, M. M. Kasliwal, Y.-C. Pan, R. Pereira, P. Podsiadlowski, A. Sternberg, N. Suzuki, D. Xu, O. Yaron, J. S. Bloom, S. B. Cenko, S. R. Kulkarni, N. Law, E. O. Ofek, D. Poznanski and R. M. Quimby

Hubble Space Telescope studies of low-redshift Type Ia supernovae: evolution with redshift and ultraviolet spectral trends
K. Maguire, M. Sullivan, R. S. Ellis, P. E. Nugent, D. A. Howell, A. Gal-Yam, J. Cooke, P. Mazzali, Y.-C. Pan, B. Dilday, R. C. Thomas, I. Arcavi, S. Ben-Ami, D. Bersier, F. B. Bianco, B. J. Fulton, I. Hook, A. Horesh, E. Hsiao, P. A. James, P. Podsiadlowski, E. S. Walker, O. Yaron, M. M. Kasliwal, R. R. Laher, N. M. Law, E. O. Ofek, D. Poznanski and J. Surace

Five new outbursting AM CVn systems discovered by the Palomar Transient Factory
David Levitan, Thomas Kupfer, Paul J. Groot, Shrinivas R. Kulkarni, Thomas A. Prince, Gregory V. Simonian, Iair Arcavi, Joshua S. Bloom, Russ Laher, Peter E. Nugent, Eran O. Ofek, Branimir Sesar and Jason Surace

Galaxy Zoo: bulgeless galaxies with growing black holes
Brooke D. Simmons, Chris Lintott, Kevin Schawinski, Edward C. Moran, Anna Han, Sugata Kaviraj, Karen L. Masters, C. Megan Urry, Kyle W. Willett, Steven P. Bamford and Robert C. Nichol

The different star formation histories of blue and red spiral and elliptical galaxies
Rita Tojeiro, Karen L. Masters, Joshua Richards, Will J. Percival, Steven P. Bamford, Claudia Maraston, Robert C. Nichol, Ramin Skibba and Daniel Thomas

Galaxy Zoo: quantifying morphological indicators of galaxy interaction
Kevin. R. V. Casteels, Steven P. Bamford, Ramin A. Skibba, Karen L. Masters, Chris J. Lintott, William C. Keel, Kevin Schawinski, Robert C. Nichol and Arfon M. Smith

Spheroidal post-mergers in the local Universe
Alfredo Carpineti, Sugata Kaviraj, Daniel Darg, Chris Lintott, Kevin Schawinski and Stanislav Shabala

Tidal dwarf galaxies in the nearby Universe
Sugata Kaviraj, Daniel Darg, Chris Lintott, Kevin Schawinski and Joseph Silk

Galaxy Zoo 2: detailed morphological classifications for 304 122 galaxies from the Sloan Digital Sky Survey
Kyle W. Willett, Chris J. Lintott, Steven P. Bamford, Karen L. Masters, Brooke D. Simmons, Kevin R. V. Casteels, Edward M. Edmondson, Lucy F. Fortson, Sugata Kaviraj, William C. Keel, Thomas Melvin, Robert C. Nichol, M. Jordan Raddick, Kevin Schawinski, Robert J. Simpson, Ramin A. Skibba, Arfon M. Smith and Daniel Thomas

Galaxy Zoo: an independent look at the evolution of the bar fraction over the last eight billion years from HST-COSMOS
Thomas Melvin, Karen Masters, Chris Lintott, Robert C. Nichol, Brooke Simmons, Steven P. Bamford, Kevin R. V. Casteels, Edmond Cheung, Edward M. Edmondson, Lucy Fortson, Kevin Schawinski, Ramin A. Skibba, Arfon M. Smith and Kyle W. Willett

Galaxy Zoo: Are bars responsible for the feeding of active galactic nuclei at 0.2 < z < 1.0?
Edmond Cheung, Jonathan R. Trump, E. Athanassoula, Steven P. Bamford, Eric F. Bell, A. Bosma, Carolin N. Cardamone, Kevin R. V. Casteels, S. M. Faber, Jerome J. Fang, Lucy F. Fortson, Dale D. Kocevski, David C. Koo, Seppo Laine, Chris Lintott, Karen L. Masters, Thomas Melvin, Robert C. Nichol, Kevin Schawinski, Brooke Simmons, Rebecca Smethurst and Kyle W. Willett

Galaxy Zoo: the effect of bar-driven fuelling on the presence of an active galactic nucleus in disc galaxies
Melanie A. Galloway, Kyle W. Willett, Lucy F. Fortson, Carolin N. Cardamone,
Kevin Schawinski, Edmond Cheung, Chris J. Lintott, Karen L. Masters,
Thomas Melvin and Brooke D. Simmons

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