Search Results

There are 80476 results for: content related to: Improved measurements of the intergalactic medium temperature around quasars: possible evidence for the initial stages of He  ii reionization at  z ≃ 6

  1. A first direct measurement of the intergalactic medium temperature around a quasar at z= 6

    Monthly Notices of the Royal Astronomical Society

    Volume 406, Issue 1, July 2010, Pages: 612–625, James S. Bolton, George D. Becker, J. Stuart B. Wyithe, Martin G. Haehnelt and Wallace L. W. Sargent

    Version of Record online : 18 MAY 2010, DOI: 10.1111/j.1365-2966.2010.16701.x

  2. Photoheating and the fate of hard photons during the reionization of He ii by quasars

    Monthly Notices of the Royal Astronomical Society

    Volume 395, Issue 2, May 2009, Pages: 736–752, James S. Bolton, S. Peng Oh and Steven R. Furlanetto

    Version of Record online : 1 APR 2009, DOI: 10.1111/j.1365-2966.2009.14597.x

  3. Prospects of observing a quasar H ii region during the epoch of reionization with the redshifted 21-cm signal

    Monthly Notices of the Royal Astronomical Society

    Volume 424, Issue 1, July 2012, Pages: 762–778, Kanan K. Datta, Martina M. Friedrich, Garrelt Mellema, Ilian T. Iliev and Paul R. Shapiro

    Version of Record online : 19 JUN 2012, DOI: 10.1111/j.1365-2966.2012.21268.x

  4. Measurements of the ultraviolet background at 4.6 < z < 6.4 using the quasar proximity effect

    Monthly Notices of the Royal Astronomical Society

    Volume 412, Issue 4, April 2011, Pages: 2543–2562, Alexander P. Calverley, George D. Becker, Martin G. Haehnelt and James S. Bolton

    Version of Record online : 15 MAR 2011, DOI: 10.1111/j.1365-2966.2010.18072.x

  5. Clustering of Lyα emitters around luminous quasars at z= 2–3: an alternative probe of reionization on galaxy formation

    Monthly Notices of the Royal Astronomical Society

    Volume 421, Issue 3, April 2012, Pages: 2543–2552, Loren R. Bruns Jr, J. Stuart B. Wyithe, Joss Bland-Hawthorn and Mark Dijkstra

    Version of Record online : 8 MAR 2012, DOI: 10.1111/j.1365-2966.2012.20479.x

  6. Thermal constraints on the reionization of hydrogen by Population II stellar sources

    Monthly Notices of the Royal Astronomical Society

    Volume 421, Issue 3, April 2012, Pages: 1969–1981, Sudhir Raskutti, James S. Bolton, J. Stuart B. Wyithe and George D. Becker

    Version of Record online : 9 MAR 2012, DOI: 10.1111/j.1365-2966.2011.20401.x

  7. Near-zone sizes and the rest-frame extreme ultraviolet spectral index of the highest redshift quasars

    Monthly Notices of the Royal Astronomical Society

    Volume 412, Issue 3, April 2011, Pages: 1926–1936, J. Stuart B. Wyithe and James S. Bolton

    Version of Record online : 2 FEB 2011, DOI: 10.1111/j.1365-2966.2010.18030.x

  8. Redshifted 21-cm observations of high-redshift quasar proximity zones

    Monthly Notices of the Royal Astronomical Society

    Volume 387, Issue 1, June 2008, Pages: 469–480, J. Stuart B. Wyithe

    Version of Record online : 8 MAY 2008, DOI: 10.1111/j.1365-2966.2008.13267.x

  9. The large area KX quasar catalogue – I. Analysis of the photometric redshift selection and the complete quasar catalogue

    Monthly Notices of the Royal Astronomical Society

    Volume 424, Issue 4, 21 August 2012, Pages: 2876–2895, Natasha Maddox, Paul C. Hewett, Céline Péroux, Daniel B. Nestor and Lutz Wisotzki

    Version of Record online : 25 JUL 2012, DOI: 10.1111/j.1365-2966.2012.21427.x

  10. The nature and evolution of the highly ionized near-zones in the absorption spectra of z≃ 6 quasars

    Monthly Notices of the Royal Astronomical Society

    Volume 374, Issue 2, January 2007, Pages: 493–514, James S. Bolton and Martin G. Haehnelt

    Version of Record online : 28 NOV 2006, DOI: 10.1111/j.1365-2966.2006.11176.x

  11. Reionization bias in high-redshift quasar near-zones

    Monthly Notices of the Royal Astronomical Society

    Volume 383, Issue 2, January 2008, Pages: 691–704, J. Stuart B. Wyithe, James S. Bolton and Martin G. Haehnelt

    Version of Record online : 26 NOV 2007, DOI: 10.1111/j.1365-2966.2007.12578.x

  12. The observed ionization rate of the intergalactic medium and the ionizing emissivity at z≥ 5: evidence for a photon-starved and extended epoch of reionization

    Monthly Notices of the Royal Astronomical Society

    Volume 382, Issue 1, November 2007, Pages: 325–341, James S. Bolton and Martin G. Haehnelt

    Version of Record online : 26 OCT 2007, DOI: 10.1111/j.1365-2966.2007.12372.x

  13. The impact of spatial fluctuations in the ultraviolet background on intergalactic carbon and silicon

    Monthly Notices of the Royal Astronomical Society

    Volume 414, Issue 1, June 2011, Pages: 241–252, James S. Bolton and Matteo Viel

    Version of Record online : 24 MAR 2011, DOI: 10.1111/j.1365-2966.2011.18384.x

  14. The effect of intergalactic helium on hydrogen reionization: implications for the sources of ionizing photons at z>6

    Monthly Notices of the Royal Astronomical Society

    Volume 423, Issue 1, June 2012, Pages: 558–574, B. Ciardi, J. S. Bolton, A. Maselli and L. Graziani

    Version of Record online : 23 APR 2012, DOI: 10.1111/j.1365-2966.2012.20902.x

  15. Quasar candidate selection and photometric redshift estimation based on SDSS and UKIDSS data

    Monthly Notices of the Royal Astronomical Society

    Volume 406, Issue 3, August 2010, Pages: 1583–1594, Xue-Bing Wu and Zhendong Jia

    Version of Record online : 2 JUL 2010, DOI: 10.1111/j.1365-2966.2010.16807.x

  16. Selection constraints on high-redshift quasar searches in the VISTA Kilo-degree Infrared Galaxy survey

    Monthly Notices of the Royal Astronomical Society

    Volume 419, Issue 4, February 2012, Pages: 3354–3367, J. R. Findlay, W. J. Sutherland, B. P. Venemans, C. Reylé, A. C. Robin, D. G. Bonfield, V. A. Bruce and M. J. Jarvis

    Version of Record online : 1 DEC 2011, DOI: 10.1111/j.1365-2966.2011.19975.x

  17. Modification of the 21-cm power spectrum by quasars during the epoch of reionization

    Monthly Notices of the Royal Astronomical Society

    Volume 399, Issue 4, November 2009, Pages: 1877–1887, Paul M. Geil and J. Stuart B. Wyithe

    Version of Record online : 2 OCT 2009, DOI: 10.1111/j.1365-2966.2009.15451.x

  18. A strong redshift dependence of the broad absorption line quasar fraction

    Monthly Notices of the Royal Astronomical Society

    Volume 410, Issue 2, January 2011, Pages: 860–884, James T. Allen, Paul C. Hewett, Natasha Maddox, Gordon T. Richards and Vasily Belokurov

    Version of Record online : 30 DEC 2010, DOI: 10.1111/j.1365-2966.2010.17489.x

  19. Constraining quasar and intergalactic medium properties through bubble detection in redshifted 21-cm maps

    Monthly Notices of the Royal Astronomical Society

    Volume 426, Issue 4, 11 November 2012, Pages: 3178–3194, Suman Majumdar, Somnath Bharadwaj and T. Roy Choudhury

    Version of Record online : 17 OCT 2012, DOI: 10.1111/j.1365-2966.2012.21914.x

  20. Probabilistic selection of high-redshift quasars

    Monthly Notices of the Royal Astronomical Society

    Volume 419, Issue 1, January 2012, Pages: 390–410, Daniel J. Mortlock, Mitesh Patel, Stephen J. Warren, Paul C. Hewett, Bram P. Venemans, Richard G. McMahon and Chris Simpson

    Version of Record online : 18 OCT 2011, DOI: 10.1111/j.1365-2966.2011.19710.x