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There are 108987 results for: content related to: NGC 454: unveiling a new ‘changing look’ active galactic nucleus

  1. A broad-band X-ray view of the warm absorber in radio-quiet quasar MR 2251−178

    Monthly Notices of the Royal Astronomical Society

    Volume 414, Issue 4, July 2011, Pages: 3307–3321, J. Gofford, J. N. Reeves, T. J. Turner, F. Tombesi, V. Braito, D. Porquet, L. Miller, S. B. Kraemer and Y. Fukazawa

    Article first published online : 1 JUN 2011, DOI: 10.1111/j.1365-2966.2011.18634.x

  2. Relativistic disc reflection in the extreme NLS1 IRAS13224−3809

    Monthly Notices of the Royal Astronomical Society

    Volume 406, Issue 4, August 2010, Pages: 2591–2604, G. Ponti, L. C. Gallo, A. C. Fabian, G. Miniutti, A. Zoghbi, P. Uttley, R. R. Ross, R. V. Vasudevan, Y. Tanaka and W. N. Brandt

    Article first published online : 17 JUN 2010, DOI: 10.1111/j.1365-2966.2010.16852.x

  3. Evidence for a truncated accretion disc in the low-luminosity Seyfert galaxy, NGC 7213?

    Monthly Notices of the Royal Astronomical Society

    Volume 408, Issue 1, October 2010, Pages: 551–564, A. P. Lobban, J. N. Reeves, D. Porquet, V. Braito, A. Markowitz, L. Miller and T. J. Turner

    Article first published online : 6 SEP 2010, DOI: 10.1111/j.1365-2966.2010.17143.x

  4. The high-energy view of the broad-line radio galaxy 3C 111

    Monthly Notices of the Royal Astronomical Society

    Volume 418, Issue 4, December 2011, Pages: 2367–2380, L. Ballo, V. Braito, J. N. Reeves, R. M. Sambruna and F. Tombesi

    Article first published online : 20 OCT 2011, DOI: 10.1111/j.1365-2966.2011.19629.x

  5. Evidence for a circumnuclear and ionized absorber in the X-ray obscured broad-line radio galaxy 3C 445

    Monthly Notices of the Royal Astronomical Society

    Volume 414, Issue 3, July 2011, Pages: 2739–2750, V. Braito, J. N. Reeves, R. M. Sambruna and J. Gofford

    Article first published online : 28 APR 2011, DOI: 10.1111/j.1365-2966.2011.18590.x

  6. XMM–Newton and Suzaku analysis of the Fe K complex in the type 1 Seyfert galaxy Mrk 509

    Monthly Notices of the Royal Astronomical Society

    Volume 394, Issue 3, April 2009, Pages: 1487–1495, G. Ponti, M. Cappi, C. Vignali, G. Miniutti, F. Tombesi, M. Dadina, A. C. Fabian, P. Grandi, J. Kaastra, P. O. Petrucci, S. Bianchi, G. Matt, L. Maraschi and G. Malaguti

    Article first published online : 3 MAR 2009, DOI: 10.1111/j.1365-2966.2009.14411.x

  7. Contemporaneous Chandra HETG and Suzaku X-ray observations of NGC 4051

    Monthly Notices of the Royal Astronomical Society

    Volume 414, Issue 3, July 2011, Pages: 1965–1986, A. P. Lobban, J. N. Reeves, L. Miller, T. J. Turner, V. Braito, S. B. Kraemer and D. M. Crenshaw

    Article first published online : 15 APR 2011, DOI: 10.1111/j.1365-2966.2011.18513.x

  8. Modelling the broad-band spectra of MCG-6-30-15 with a relativistic reflection model

    Monthly Notices of the Royal Astronomical Society

    Volume 414, Issue 3, July 2011, Pages: 2345–2353, Chia-Ying Chiang and A. C. Fabian

    Article first published online : 25 MAY 2011, DOI: 10.1111/j.1365-2966.2011.18553.x

  9. XMM spectroscopy of the transient supersoft source RX J0513.9 − 6951: probing the dynamic white dwarf photosphere

    Monthly Notices of the Royal Astronomical Society

    Volume 364, Issue 2, December 2005, Pages: 462–474, K. E. McGowan, P. A. Charles, A. J. Blustin, M. Livio, D. O'Donoghue and B. Heathcote

    Article first published online : 13 OCT 2005, DOI: 10.1111/j.1365-2966.2005.09566.x

  10. Extreme flux states of NGC 4151 observed with INTEGRAL

    Monthly Notices of the Royal Astronomical Society

    Volume 408, Issue 3, November 2010, Pages: 1851–1865, P. Lubiński, A. A. Zdziarski, R. Walter, S. Paltani, V. Beckmann, S. Soldi, C. Ferrigno and T. J.-L. Courvoisier

    Article first published online : 15 SEP 2010, DOI: 10.1111/j.1365-2966.2010.17251.x

  11. The distribution of absorption in AGN detected in the XMM–Newton observations of the CDFS

    Monthly Notices of the Royal Astronomical Society

    Volume 372, Issue 4, November 2006, Pages: 1755–1775, T. Dwelly and M. J. Page

    Article first published online : 2 OCT 2006, DOI: 10.1111/j.1365-2966.2006.10979.x

  12. 3D models of radiatively driven colliding winds in massive O + O star binaries – III. Thermal X-ray emission

    Monthly Notices of the Royal Astronomical Society

    Volume 403, Issue 4, April 2010, Pages: 1657–1683, J. M. Pittard and E. R. Parkin

    Article first published online : 16 MAR 2010, DOI: 10.1111/j.1365-2966.2010.15776.x

  13. Suzaku observation of the Galactic supernova remnant CTB 37A (G348.5+0.1)

    Monthly Notices of the Royal Astronomical Society

    Volume 417, Issue 2, October 2011, Pages: 1387–1391, A. Sezer, F. Gök, M. Hudaverdi and E. N. Ercan

    Article first published online : 26 AUG 2011, DOI: 10.1111/j.1365-2966.2011.19357.x

  14. Suzaku observations of Markarian 335: evidence for a distributed reflector

    Monthly Notices of the Royal Astronomical Society

    Volume 384, Issue 4, March 2008, Pages: 1316–1326, J. Larsson, G. Miniutti, A. C. Fabian, J. M. Miller, C. S. Reynolds and G. Ponti

    Article first published online : 8 FEB 2008, DOI: 10.1111/j.1365-2966.2008.12844.x

  15. Deriving an X-ray luminosity function of dwarf novae based on parallax measurements

    Monthly Notices of the Royal Astronomical Society

    Volume 408, Issue 4, November 2010, Pages: 2298–2311, K. Byckling, K. Mukai, J. R. Thorstensen and J. P. Osborne

    Article first published online : 27 AUG 2010, DOI: 10.1111/j.1365-2966.2010.17276.x

  16. Effects of a soft X-ray background on structure formation at high redshift

    Monthly Notices of the Royal Astronomical Society

    Volume 338, Issue 2, January 2003, Pages: 273–286, M. E. Machacek, G. L. Bryan and T. Abel

    Article first published online : 19 DEC 2002, DOI: 10.1046/j.1365-8711.2003.06054.x

  17. Newly discovered Wolf–Rayet and weak emission-line central stars of planetary nebulae

    Monthly Notices of the Royal Astronomical Society

    Volume 414, Issue 4, July 2011, Pages: 2812–2827, K. DePew, Q. A. Parker, B. Miszalski, O. De Marco, D. J. Frew, A. Acker, A. V. Kovacevic and R. G. Sharp

    Article first published online : 16 JUN 2011, DOI: 10.1111/j.1365-2966.2011.18337.x

  18. Multi-epoch X-ray observations of the Seyfert 1.2 galaxy Mrk 79: bulk motion of the illuminating X-ray source

    Monthly Notices of the Royal Astronomical Society

    Volume 411, Issue 1, February 2011, Pages: 607–619, L. C. Gallo, G. Miniutti, J. M. Miller, L. W. Brenneman, A. C. Fabian, M. Guainazzi and C. S. Reynolds

    Article first published online : 29 OCT 2010, DOI: 10.1111/j.1365-2966.2010.17705.x

  19. Metal transport by gas sloshing in M87

    Monthly Notices of the Royal Astronomical Society

    Volume 405, Issue 1, June 2010, Pages: 91–99, A. Simionescu, N. Werner, W. R. Forman, E. D. Miller, Y. Takei, H. Böhringer, E. Churazov and P. E. J. Nulsen

    Article first published online : 23 MAR 2010, DOI: 10.1111/j.1365-2966.2010.16450.x

  20. Multistate observations of the Galactic black hole XTE J1752−223: evidence for an intermediate black hole spin

    Monthly Notices of the Royal Astronomical Society

    Volume 410, Issue 4, February 2011, Pages: 2497–2505, R. C. Reis, J. M. Miller, A. C. Fabian, E. M. Cackett, D. Maitra, C. S. Reynolds, M. Rupen, D. T. H. Steeghs and R. Wijnands

    Article first published online : 21 OCT 2010, DOI: 10.1111/j.1365-2966.2010.17628.x