Publication List

Refereed Publications

1) Ballantyne, D.R., 2005, A Complete View of the Broad-Line Radio Galaxy 4C+74.26 with XMM-Newton, accepted by the Monthly Notices of the Royal Astronomical Society.

2) Ballantyne, D.R. & Everett, J.E., 2005, On the Dynamics of Suddenly Heated Accretion Disks around Neutron Stars, The Astrophysical Journal, Vol. 626, p. 364.

3) Ballantyne, D.R. & Fabian, A.C., 2005, Evidence for an Untruncated Accretion Disk in the Broad-Line Radio Galaxy 4C+74.26, The Astrophysical Journal, Vol. 622, p. L97.

4) Ballantyne, D.R., Turner, N.J. & Young, A.J., 2005, X-ray Reflection from Inhomogeous Accretion Disks: II. Emission Line Variability and Implications for Reverberation Mapping, The Astrophysical Journal, Vol. 619, p. 1028.

5) Ballantyne, D.R., Fabian, A.C. & Iwasawa K., 2004, The XMM-Newton View of the Broad-Line Radio Galaxy 3C 120, Monthly Notices of the Royal Astronomical Society, Vol. 354, p. 839.

6) Everett, J.E. & Ballantyne, D.R., 2004, Continuum Acceleration of Black Hole Winds, The Astrophysical Journal, Vol. 615, p. L13.

7) Vaughan, S., Fabian, A.C., Ballantyne, D.R., De Rosa, A., Piro, L. & Matt, G., 2004, An XMM-Newton observation of Ark 120: the X-ray spectrum of a 'bare' Seyfert 1 nucleus, Monthly Notices of the Royal Astronomical Society, Vol. 351, p. 193.

8) Ballantyne, D.R., 2004, Reflection spectra from an accretion disc illuminated by a neutron star X-ray burst, Monthly Notices of the Royal Astronomical Society, Vol. 351, p. 57.

9) Font, A.S., McCarthy, I.G., Johnstone, D. & Ballantyne, D.R., 2004, Photoevaporation of Circumstellar Disks around Young Stars, The Astrophysical Journal, Vol. 607, p. 890.

10) Ballantyne, D.R., Turner, N.J. & Blaes, O.M., 2004, X-ray Reflection from Inhomogeneous Accretion Disks: I. Toy Models and Photon Bubbles, The Astrophysical Journal, Vol. 603, p. 436.

11) Ballantyne, D.R. & Strohmayer, T.E., 2004, The Evolution of the Accretion Disk around 4U 1820-30 During a Superburst, The Astrophysical Journal, Vol. 602, p. L105.

12) Ballantyne, D.R., Weingartner, J.C. & Murray, N., 2003, On the Location and Composition of the Dust in the MCG-6-30-15 Warm Absorber, Astronomy & Astrophysics, Vol. 409, p. 503.

13) Ballantyne, D.R. & Fabian, A.C., 2003, The Contribution of Particle Impact to the Production of Fe Ka Emission from Accreting Black Holes, The Astrophysical Journal, Vol. 592, p. 1089.

14) Ballantyne, D.R., Vaughan, S. & Fabian, A.C., 2003, A two-component ionized reflection model of MCG-6-30-15, Monthly Notices of the Royal Astronomical Society, Vol. 342, p. 239.

15) Vaughan, S., Boller, Th., Fabian, A.C., Ballantyne, D.R., Brandt, W.N. & Trümper, J., 2002, A XMM-Newton observation of Ton S180: Constraints on the continuum emission in ultrasoft Seyfert galaxies, Monthly Notices of the Royal Astronomical Society, Vol. 337, p. 247.

16) Ballantyne, D.R., Ross, R.R. & Fabian, A.C., 2002, Soft X-ray emission lines from photoionized accretion discs: constraints of their strength and width, Monthly Notices of the Royal Astronomical Society, Vol. 336, p. 867.

17) Ross, R.R., Fabian, A.C. & Ballantyne, D.R., 2002, Multiple X-ray reflection from ionized slabs, Monthly Notices of the Royal Astronomical Society, Vol. 336, p. 315.

18) Miller, J.M., Ballantyne, D.R., Fabian, A.C. & Lewin, W.H.G., 2002, Extremely weak reflection features in the X-ray spectrum of XTE J1118+480: Possible evidence for X-ray-emitting jets?, Monthly Notices of the Royal Astronomical Society, Vol. 335, p. 865.

19) Fabian, A.C., Vaughan, S., Nandra, K., Iwasawa, K., Ballantyne, D.R., Lee, J.C., DeRosa, A., Turner A. & Young A.J., 2002, A long hard look at MCG-6-30-15 with XMM-Newton, Monthly Notices of the Royal Astronomical Society, Vol. 335, p. L1.

20) Ballantyne, D.R., Ramirez-Ruiz, E., Lazzati, D., & Piro, L., 2002, X-ray spectral diagnostics of the immediate environment of GRB 991216, Astronomy & Astrophysics, Vol. 389, p. L74.

21) Ballantyne, D.R., Ross, R.R. & Fabian, A.C., 2002, On the hard X-ray spectra of radio-loud active galaxies, Monthly Notices of the Royal Astronomical Society, Vol. 332, p. L45.

22) Ballantyne, D.R. & Ross, R.R., 2002, The Response of the Fe Ka Line to Changes in the X-ray Illumination of Accretion Discs, Monthly Notices of the Royal Astronomical Society, Vol. 332, p. 777.

23) Fabian, A.C., Ballantyne, D.R., Merloni, A., Vaughan, S., Iwasawa, K. & Boller, Th., 2002, How the X-ray spectrum of a Narrow-Line Seyfert 1 galaxy may be reflection dominated, Monthly Notices of the Royal Astronomical Society, Vol. 331, p. L35.

24) Ballantyne, D.R., Fabian, A.C. & Ross, R.R., 2002, Fe Ka emission from photoionized slabs: the impact of the iron abundance, Monthly Notices of the Royal Astronomical Society, Vol. 329, p. L67.

25) Boller, Th., Fabian, A.C., Sunyaev, R., Trümper, J., Vaughan, S., Ballantyne, D.R., Brandt, W.N., Keil, R. & Iwasawa, K., 2002, XMM-Newton Discovery of a Sharp Spectral Feature at ~7 keV in the NLS1 Galaxy 1H 0707—495, Monthly Notices of the Royal Astronomical Society, Vol. 329, p. L1.

26) Ballantyne, D.R. & Fabian A.C., 2001, Relativistic Ionized Accretion Disc Models of MCG-6-30-15, Monthly Notices of the Royal Astronomical Society, Vol. 328, p. L11.

27) Ballantyne, D.R. & Ramirez-Ruiz, E., 2001, Iron Ka Emission from X-ray Reflection: Predictions for Gamma-ray Burst Models, The Astrophysical Journal, Vol. 559, p. L83.

28) Ballantyne, D.R., Ross, R.R. & Fabian, A.C., 2001, X-ray Reflection By Photoionized Accretion Discs, Monthly Notices of the Royal Astronomical Society, Vol. 327, p. 10.

29) Hawarden, T.G., Leggett, S.K., Letawsky M.B., Ballantyne, D.R. & Casali, M.M., 2001, JHK Standard Stars for Large Telescopes: the UKIRT Fundamental and Extended Lists, Monthly Notices of the Royal Astronomical Society, Vol. 325, p. 563.

30) Kerton, C.R., Martin, P.G., Johnstone, D. & Ballantyne, D.R., 2001, A Submillimeter View of Star Formation Near the HII Region KR 140, The Astrophysical Journal, Vol. 552, p. 601.

31) Ballantyne, D.R., Iwasawa, K. & Fabian A.C., 2001, Evidence for Ionized Accretion Discs in Five Narrow-Line Seyfert 1 Galaxies, Monthly Notices of the Royal Astronomical Society, Vol. 323, p. 506.

32) Magorrian, S.J. & Ballantyne, D.R., 2001, Mass Profiles and Anisotropies of Early-Type Galaxies, Monthly Notices of the Royal Astronomical Society, Vol. 322, p. 702.

33) Ballantyne, D.R., Kerton, C.R. & Martin, P.G., 2000, The HII Region KR 140: Spontaneous Formation of a Massive Star, The Astrophysical Journal, Vol. 539, p.283.

34) Ballantyne, D.R., Ferland, G.J. & Martin, P.G., 2000, The Primordial Helium Abundance: Toward Understanding and Removing the Cosmic Scatter in the dY/dZ Relation, The Astrophysical Journal, Vol. 536, p. 773.

35) Armour, Mary-Helen, Ballantyne, D.R. Ferland, G.J., Karr, J. & Martin, P.G., 1999, Emission-Line Helium Abundances in Highly Obscured Nebulae, Publications of the Astronomical Society of the Pacific, Vol. 111, p. 1251.

36) Kerton, C.R., Ballantyne, D.R., & Martin, P.G., 1999, Classification of O Stars in the Yellow: The Exciting Star VES 735, The Astronomical Journal, Vol. 117, p. 2485.

37) Davies, J.K., McBride, N., Ellison, S.L., Green, S.F. & Ballantyne, D.R., 1998, Visible and Infrared Photometry of Six Centaurs, Icarus, Vol. 134, p. 213.

38) Leahy, D.A., Roger, R.S. & Ballantyne, D., 1997, 1420 MHz Continuum and Polarization Observations of the Cygnus Loop, The Astronomical Journal, Vol. 114, p. 2081.

Non-Refereed Publications (including conference proceedings)

1) Ballantyne, D.R., Ferland, G.J, Martin, P.G., van Hoof, P.A.M. & Weingartner, J.C., 2004, Revisiting the Torus: Spectral Predictions from the IR to the X-ray, in The Restless High Energy Universe: the 2nd BeppoSAX Symposium, E.P.J. van der Heuvel, J.J.M. in 't Zand & R.A.M.J. Wijers, eds., Nuclear Physics B (Proc. Suppl.), Vol. 132, p. 145.

2) Ballantyne, D.R., Fabian, A.C. & Vaughan, S., 2003, Ionized Disc Models of MCG-6-30-15, in Active Galactic Nuclei: from Central Engine to Host Galaxy, ASP Conference Series Vol. 290, Collin, S., Combes, F. & Shlosman, I., eds., p. 77.

3) Ballantyne, D.R., Ross, R.R. & Fabian, A.C., 2002, Reflection Spectra from Photoionized Accretion Discs, in the proceedings of X-ray Spectroscopy of AGN with Chandra and XMM-Newton, eds., Boller, Th., Komossa, S., Kahn, S., Kunieda, H. & Gallo, L., MPE Report 279, p. 73.

4) De Rosa, A., Fabian, A.C., Piro, L. & Ballantyne, D.R., 2002, Study of X-ray Reflection Features in a Sample of Sy 1s observed by BeppoSAX, in the proceedings of New Visions of the X-ray Universe in the XMM-Newton and Chandra Era, ESTEC, November 26-30, 2001. Jansen, F. ed.

5) Ballantyne, D.R. & Fabian, A.C., 2001, Ionized Disc Models of MCG-6-30-15, in the proceedings of X-ray Emission from Accretion onto Black Holes, JHU/LHEA Workshop, June 20-23, 2001.

6) Ballantyne, D.R., Ross, R.R. & Fabian, A.C., 2001, Ionized Iron Lines in X-ray Reflection Spectra, in Spectroscopic Challenges of Photoionized Plasmas, ASP Conference Series Vol. 247, Ferland, G.J. & Savin D.W., eds., pp. 457-461

7) Péquignot, D., Ferland, G.J., Netzer, H., Kallman, T., Ballantyne, D.R., Dumont, A-M., Ercolano, B., Harrington, P., Kraemer, S., Morisset, C., Nayakshin, S., Rubin, R.H. & Sutherland, R., 2001, Photoionization Model Nebulae, in Spectroscopic Challenges of Photoionized Plasmas, ASP Conference Series Vol. 247, Ferland, G.J. & Savin D.W., eds., pp. 533-556

8) Magorrian, J. & Ballantyne, D.R., 1999, Constraining the Mass Distribution of Spherical Galaxies, in Galaxy Dynamics, ASP Conference Series Vol. 182, Merritt, D.R., Valluri, M. & Sellwood, J.A., eds., pp. 160-161

9) Davies, J.K., Tholen, D.J. & Ballantyne, D.R., 1996, Infrared Observations of Distant Asteroids, in Completing the Inventory of the Solar System, ASP Conference Series Vol. 107, Rettig, T.W. & Hahn, J.M., eds., pp. 97-105.

10) Biver, N., Ballantyne, D.R., Davies, J.K., Dent, W.R.F., Bocklee-Morvan, D., Crovisier, J. & Rauer, H., 1996, Comet C/1995 O1 (Hale-Bopp), IAU Circular 6386.

Submitted Publications