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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 +15
We present the data release for Galaxy Zoo 2 (GZ2), a citizen science project with more than 16 million morphological classifications of 304,122 galaxies drawn from the Sloan Digit…
Galaxy Zoo: The Environmental Dependence of Bars and Bulges in Disc Galaxies
Ramin A. Skibba, Karen L. Masters, Robert C. Nichol +8
We present an analysis of the environmental dependence of bars and bulges in disc galaxies, using a volume-limited catalogue of 15810 galaxies at z<0.06 from the Sloan Digital Sky…
The XMM Cluster Survey: Optical analysis methodology and the first data release
Nicola Mehrtens, A. Kathy Romer, E. J. Lloyd-Davies +34
The XMM Cluster Survey (XCS) is a serendipitous search for galaxy clusters using all publicly available data in the XMM-Newton Science Archive. Its main aims are to measure cosmolo…
The Morphology of Galaxies in the Baryon Oscillation Spectroscopic Survey
Karen L. Masters, Claudia Maraston, Robert C. Nichol +17
We study the morphology of luminous and massive galaxies at 0.3<z<0.7 targeted in the Baryon Oscillation Spectroscopic Survey (BOSS) using publicly available Hubble Space Telescope…
Galaxy Zoo: Bar Lengths in Nearby Disk Galaxies
Ben Hoyle, Karen. L. Masters, Robert C. Nichol +7
We present an analysis of bar length measurements of 3150 local galaxies in a volume limited sample of low redshift (z < 0.06) disk galaxies. Barred galaxies were initially selecte…
NTT and NOT spectroscopy of SDSS-II supernovae
L. Ostman, J. Nordin, A. Goobar +18
Context. The SDSS-II Supernova Survey, conducted between 2005 and 2007, was designed to detect a large number of Type Ia supernovae (SNe Ia) around z~0.2, the redshift "gap" betwee…