Journal article

Gravitational-Wave Limits from Pulsar Timing Constrain Supermassive Black Hole Evolution

RM Shannon, V Ravi, WA Coles, G Hobbs, MJ Keith, RN Manchester, JSB Wyithe, M Bailes, NDR Bhat, S Burke-Spolaor, J Khoo, Y Levin, S Oslowski, JM Sarkissian, W van Straten, JPW Verbiest, J-B Wang

Science | AMER ASSOC ADVANCEMENT SCIENCE | Published : 2013

University of Melbourne Researchers

Grants

Awarded by R.N.M.'s Australian Research Council (ARC) Federation Fellowship


Awarded by ARC


Awarded by ARC QEII Fellowship


Awarded by European Research Council (ERC) for the ERC Starting Grant Beacon


Funding Acknowledgements

We thank all of the observers, engineers, and Parkes observatory staff members who have assisted with the observations reported in this paper. We thank N. McConnell for providing and confirming some dynamical SMBH and bulge mass measurements, S. Mutch for discussions on the Millennium-based model, and X.-J. Zhu for comments on the manuscript. The Parkes radio telescope is part of the Australia Telescope National Facility, which is funded by the Commonwealth of Australia for operation as a National Facility managed by CSIRO. The Millennium and Millennium-II Simulation databases used in this paper and the Web application providing online access to these databases were constructed as part of the activities of the German Astrophysical Virtual Observatory. The PPTA project was initiated with support from R.N.M.'s Australian Research Council (ARC) Federation Fellowship (no. FF0348478) and from the CSIRO under that fellowship program. The PPTA project has also received support from ARC Discovery Project grant no. DP0985272. V. R. is a recipient of a John Stocker Postgraduate Scholarship from the Science and Industry Endowment Fund, G. H. is the recipient of an ARC QEII Fellowship (no. DP0878388), and J.S.B.W. acknowledges an Australian Research Council Laureate Fellowship. Part of this research was carried out at the Jet Propulsion Laboratory, California Institute of Technology, under a contract with NASA. J.P.W.V. acknowledges the financial support by the European Research Council (ERC) for the ERC Starting Grant Beacon under contract no. 279202. The authors declare no conflicts of interest. Data used in this analysis can be accessed via the Australia National Data Service (www.ands.org.au).