Coel Hellier's Publication list

Refereed Journal papers

  1. Hellier, C., van Zyl L., 2005, ApJ, in press. `Stream-field interactions in the magnetic accretor AO Piscium'

  2. Evans P.A., Hellier C., 2005, MNRAS, 359, 1531-1536. `HT Camelopardalis: The simplest intermediate polar spin pulse'

  3. Evans P.A., Hellier C., 2004, MNRAS, 353, 447-452. `Why does the intermediate polar V405 Aurigae show a double-peaked spin pulse?'

  4. Hellier, C., Mukai, K., 2004, MNRAS, 352, 1037-1040. `On the iron Kalpha complex in magnetic cataclysmic variables'

  5. van Zyl L., Charles P.A., Arribas S., Naylor T., Mediavilla E., Hellier C., 2004, MNRAS, 350, 649-656. `The X-Ray Binary X2127+119 in M15: Evidence for a Very-Low-Mass, Stripped-Giant Companion'

  6. van Zyl L., Warner B., O'Donoghue D., Hellier C., Woudt P., Woudt P., Sullivan D., Pritchard J., Kemp J., Patterson J., Welsh W., Casares J., Shahbaz T., van der Hooft F., Vennes S., 2004, MNRAS, 350, 307-316. `The Nonradially-Pulsating Primary of the Cataclysmic Variable GW Librae'

  7. Evans P.A., Hellier C., Ramsay G., Cropper M., 2004, MNRAS, 349, 715-721. `Twisted accretion curtains in the intermediate polar FO Aquarii'

  8. Hellier, C., Harmer, S., Beardmore, A.P., 2004, MNRAS, 349, 710-714. `On the magnetic accretor GK Persei in outburst'

  9. Mukai K., Hellier C., Madejski G., Patterson J., Skillman D.R., 2003, ApJ, 597, 479-493. `X-Ray variability of the magnetic cataclysmic variable V1432 Aquilae and the Seyfert galaxy NGC 6814'

  10. Retter A., Hellier C., Augusteijn T., Naylor T., Bedding T.R., Bembrick C., McCormick J., Velthuis F., 2003, MNRAS, 340, 679-686. A 6.3-hr superhump in the cataclysmic variable TV Columbae: the longest yet seen

  11. Hellier, C., Beardmore, A.P., Mukai, K., 2002, A&A, 389, 904-907. `The spin pulse of the intermediate polar V1062 Tauri'

  12. Hellier, C., Wynn, G.A., Buckley, D.A.H., 2002, MNRAS, 333, 84-92. `On the accretion mode of the intermediate polar V1025 Centauri'

  13. Hellier, C., Beardmore, A.P., 2002, MNRAS, 331, 407-416. `The accretion flow in the discless intermediate polar V2400 Ophiuchi'

  14. Szkody P., Nishikida K., Erb D., Mukai K., Hellier C., Uemura M., Kato T., Pavlenko E., Katysheva N., Shugarov S., Cook L., 2002, AJ, 123, 413-419 `X-ray/optical studies of two outbursts of the intermediate polar YY (DO) Draconis'

  15. Hellier, C., 2001, PASP, 113, 469-472. `On Echo Outbursts and ER UMa Supercycles in SU UMa-type Cataclysmic Variables'

  16. Hellier, C., Kemp, J., Naylor, T., Bateson, F.M., Jones, A., Overbeek, D., Stubbings, R., Mukai, K., 2000, MNRAS, 313, 703-710. `Outbursts of EX Hydrae: mass transfer events or disc instabilities?'

  17. Beekman G., Somers M., Naylor T., Hellier, C., 2000, MNRAS, 318, 9-17 `A TiO study of the dwarf nova IP Pegasi'

  18. Beardmore, A.P., Osborne, J.P., Hellier, C., 2000, MNRAS, 315, 307-315 `The multi-temperature X-ray spectrum of the intermediate polar V1223 Sagittarii'

  19. Hellier, C., 1999, ApJ, 519, 324-331. `Doppler tomography of intermediate polar spin cycles'

  20. Harrop-Allin, M.K., Cropper, M., Hakala, P.J., Hellier, C., Ramseyer, T., 1999, MNRAS, 308, 807-817 `Indirect imaging of the accretion stream in eclipsing polars II: HU Aquarii'

  21. Norton, A.J., Beardmore, A.P., Allan, A., Hellier, C., 1999, A&A, 347, 203-211 `YY Draconis and V709 Cassiopeiae: two intermediate polars with weak magnetic fields'

  22. Hellier, C., Beardmore, A.P., Buckley, D.A.H., 1998, MNRAS, 299, 851-854. `X-ray confirmation of the new intermediate polar RX1238-38'

  23. Hellier, C., Mukai, K., Osborne, J.P., 1998, MNRAS, 297, 525-530. `Iron Kalpha line widths in magnetic cataclysmic variables'

  24. Hellier, C. 1998, PASP, 110, 420-424. `The phase 0.5 absorption in SW Sextantis stars'

  25. Hellier, C., Naylor, T., 1998, MNRAS, 295, L50-L52. `On the orbital period distribution of cataclysmic variables'

  26. Hynes, R.I., Haswell, C.A., Shrader, C.R., Chen, W., Horne, K., Harlaftis, E.T., O'Brien, K., Hellier, C., Fender, R.P., 1998, MNRAS, 300. 64-82. `The 1996 Outburst of GRO J1655-40: The challenge of interpreting the multiwavelength spectra'

  27. Ramsay, G., Cropper, M., Hellier, C., Wu, K., 1998, MNRAS, 297, 1269-1273. `A comparison of white dwarf mass estimators using the intermediate polar XY Ari'

  28. Beardmore, A.P., Mukai, K., Norton, A.J., Osborne, J.P., Hellier, C., 1998, MNRAS, 297, 337-347. `The changing X-ray lightcurves of the intermediate polar FO Aquarii'

  29. Allan, A., Hellier, C., Beardmore, A.P., 1998, MNRAS, 295, 167-176. `ASCA X-ray observations of EX Hya: spin resolved spectroscopy'

  30. Hellier, C., Mukai, K., Beardmore, A.P., 1997, MNRAS, 292, 397-406. `An outburst of the magnetic cataclysmic variable XY Arietis observed with RXTE'

  31. Hellier, C. 1997, MNRAS, 291, 71-80. `The size of the accretion region in intermediate polars: eclipses of XY Arietis observed with RXTE'

  32. Hellier, C. 1997, MNRAS, 288, 817-832. `Spectroscopy of the intermediate polars BG Canis Minoris and PQ Geminorum'

  33. Norton, A.J., Hellier, C., Beardmore, A.P., Wheatley, P.J., Osborne, J.P., Taylor, P., 1997, MNRAS, 289, 362-370. `Stream-fed and disc-fed accretion in TX Columbae'

  34. Dickinson, R.J., Prinja, R.K., Rosen, S.R., King, A.R., Hellier, C., Horne, K., 1997, MNRAS, 286, 447-462. `The intricate optical line behaviour of the nova-like system, V795 Herculis'

  35. Haswell, C.A., Patterson, J., Thorstensen, J.R., Hellier, C., Skillman, D., 1997, ApJ, 476, 847-864. `Pulsations and accretion geometry in YY Draconis: a study based on Hubble Space Telescope observations'

  36. Hellier, C., 1996, ApJ, 471, 949-957. `V1315 Aquilae and the nature of SW Sextantis stars'

  37. Hellier, C., Mukai, K., Ishida, M., Fujimoto, R., 1996, MNRAS, 280, 877-887 `The X-ray spectrum of the intermediate polar AO Piscium'

  38. Allan, A., Hellier, C., Ramseyer, T.F., 1996, MNRAS, 282, 699-703. `Infra-red photometry of the intermediate polar XY Arietis (H0253+193)'

  39. Allan, A., Horne, K., Hellier, C., Mukai, K., Barwig, H., Bennie, P.J., Hilditch, R.W., 1996, MNRAS, 279, 1345-1348. `The spin period of the intermediate polar RXJ0558+53'

  40. Sanwal, D., Robinson, E.L., Zhang, E., Colome, C., Harvey, P.M., Ramseyer, T.F., Hellier, C., Wood, J.H., 1996, ApJ, 460, 437-442. `An upper limit to the mass of the black hole in V404 Cygni'

  41. Patterson, J., Skillman, D. R., Thorstensen, J., Hellier, C., 1995, PASP, 107, 307-323. `The remarkable eclipsing asynchronous AM Herculis binary RXJ1940.2-1025'

  42. Watson, M.G., Rosen, S.R., O'Donoghue, D., Buckley, D., Warner, B., Hellier, C., Ramseyer, T., Done, C., Madejski, G., 1995, MNRAS, 273, 681-698 `Optical properties of the new polar RXJ1940.2-1025'

  43. Hellier, C., Ramseyer, T. F., Jablonski, F. J., 1994, MNRAS, 271, L25-L29. `An ephemeris for the intermediate polar RE0751+14'

  44. Hellier, C., 1994, MNRAS, 271, L21-L24. `A Rosat observation of the X-ray pulsars X0142+614 and X0146+612'

  45. Hellier, C., Ringwald, F.A., Robinson, E.L., 1994, A&A, 289, 148. `WX Arietis: A low-inclination SW Sextantis star'

  46. Hellier, C., Robinson, E.L., 1994, ApJ Let, 431, L107-L110. `PX Andromedae and the SW Sextantis phenomenon'

  47. Hellier, C., Livio, M., 1994, ApJ Let, 424, L57-L60. `Disk-overflow accretion in GK Persei?'

  48. van Paradijs, J. etal with Hellier, C. and 21 others, 1994, MNRAS, 267, 465-472. `A 60-night campaign on dwarf novae. 1. Photometric variability of SU UMa and YZ Cnc'

  49. Hellier, C., Buckley, D.A.H., 1993, MNRAS, 265, 766-772. `TV Columbae in outburst: a mass transfer event?'

  50. Hellier, C., 1993, MNRAS, 265, L35-L39. `Disc-overflow accretion in the intermediate polar FO Aquarii'

  51. Hellier, C., 1993, MNRAS, 264, 132-144. `The four periodicities of the cataclysmic variable TV Columbae'

  52. Hellier, C., Garlick, M.A., Mason, K.O., 1993, MNRAS, 260, 299-306. `X-ray orbital modulations in intermediate polars'

  53. Pounds, K.A. etal with Hellier, C., 54 others, 1993, MNRAS, 260, 77-102 `The Rosat wide field camera all-sky survey of extreme ultraviolet sources; I. The bright source catalogue'

  54. Hellier, C., 1992, MNRAS, 258, 578-580. `A search for the 2spin-orbit frequency in the X-ray light curves of intermediate polars'

  55. Hellier, C., Mason, K.O., Williams, O.R., 1992, MNRAS, 258, 457-460. `Energy structure of the accretion disc corona in X1822-371'

  56. Mukai, K., Hellier, C. 1992, ApJ, 391, 295-297. `On Martell, Kaitchuck's model for the intermediate polar FO Aquarii'

  57. Hellier, C., 1991, MNRAS, 251, 693-697. `Do observations reveal accretion discs in intermediate polars?'

  58. Hellier, C., Mason, K.O., Mittaz, J.P.D., 1991, MNRAS, 248, 5p-7p. `An eclipse in the quadruple-period intermediate polar TV Columbae'

  59. Hellier, C., Cropper, M., Mason, K.O., 1991, MNRAS, 248, 233-255. `Optical and X-ray observations of AO Piscium and the origin of the spin pulse in intermediate polars'

  60. Hellier, C., Mason, K.O., Smale, A.P., Kilkenny, D., 1990, MNRAS, 244, 39p-43p. `The ephemeris of X1822-371'

  61. Hellier, C., Mason, K.O., Cropper, M., 1990, MNRAS, 242, 250-258. `Spectroscopy of the intermediate polar FO Aquarii'

  62. Hellier, C., O'Donoghue, D., Buckley, D., Norton, A., 1990, MNRAS, 242, 32p-34p. `Is V426 Ophiuchi really an intermediate polar?'

  63. Hellier, C., Mason, K.O., 1989, MNRAS, 239, 715-732. `EXOSAT observations of X1822-371: Modelling of the accretion disc rim'

  64. Hellier, C., Mason, K.O., Smale, A.P., Corbet, R.H.D., O'Donoghue, D., Barrett, P.E., Warner, B., 1989, MNRAS, 238, 1107-1119. `EX Hydrae in outburst'

  65. Hellier, C., Mason, K.O., Cropper, M., 1989, MNRAS, 237, 39p-44p. `An eclipse in FO Aquarii'

  66. Whitelock, P.A. etal with Hellier, C. and 22 others, 1989, MNRAS, 240, 7p-24p. `Spectroscopic and photometric observations of SN1987A - VI. Days 617 to 792'

  67. Catchpole, R.M. etal with Hellier, C. and 32 others, 1989, MNRAS, 237, 55p-68p. `Spectroscopic and photometric observations of SN1987A - V. Days 386 to 616'

  68. Hellier, C., Mason, K.O., Rosen, S.R., Cordova, F.A., 1987, MNRAS, 228, 463-481. `Time resolved optical spectroscopy of the eclipsing intermediate polar EX Hydrae'

    Books and Edited books

  69. `Cataclysmic Variable Stars: How and why they vary', 2001 Coel Hellier, Springer-Verlag, 210pp

  70. `Annapolis workshop on magnetic cataclysmic variables', 1999, edited by Hellier C. & Mukai K., Astronomy Society of the Pacific Conference Series, Volume 157.

    Invited Reviews

  71. Hellier, C., 2004, In `Compact Binaries in the Galaxy and Beyond', ed Tovmassian G., Rev. Mex. Astron. Astr. (Conf.), 148-151 `Some updates on the role of Magnetic Fields in Cataclysmic Variables'

  72. Hellier, C., 2004, In `Astrophysics Update', ed Mason J., Springer-Verlag, Heidelberg, `What drives the evolution of close binary stars?: The test case of cataclysmic variables'

  73. Hellier, C., 2002, In `The Physics of Cataclysmic Variables and Related Objects', eds, Gansicke B., Beuermann K., Reinsch K., ASP Conf. Ser, vol 261, p92 `Stream-fed Accretion in Intermediate Polars'

  74. Hellier, C. 2000, in `Warner symposium proceedings', eds Charles P.A., King A., O'Donoghue D., New Astr. Rev., 44, 131-136 `The SW Sextantis stars' Postscript E-print

  75. Hellier, C. 1999, in `Annapolis workshop on magnetic cataclysmic variables', eds Hellier C., Mukai K., ASP Conf. Ser. Vol 157, 1-14. `Recent results on intermediate polars' Postscript E-print

  76. Hellier, C. 1998, in Proceedings of the 1996 Cospar Assembly, Adv. Space Res., 22 (7) 973-980. `Disc-overflow accretion in intermediate polars' Postscript E-print

  77. Hellier, C., 1996, in `Cataclysmic variables and related objects', Proc. IAU Colloq 158, eds Evans, Wood, Kluwer, pp 143-152. `The intermediate polars' Postscript E-print

  78. Hellier, C., 1995, in `Cape workshop on magnetic cataclysmic variables', eds, Buckley, Warner, ASP Conf. Series, 85, 185-194 `The accretion geometry in intermediate polars' Postscript E-print

    Other non-refereed papers

  79. Evans P.A., Hellier C., 2004, in ``The astrophysics of cataclysmic variables and related objects'', ASP Conf. Ser., in press, `What can XMM-Newton tell us about the spin periods of Intermediate Polars?'

  80. Street R.A., Christian D.J., Clarkson W.I., Collier Cameron A., Evans N., Fitzsimmons A., Haswell C.A., Hellier C., Hodgkin S.T., Horne K., Kane S.R., Keenan F.P., Lister T.A., Norton A.J., Pollacco D., Ryans R., Skillen I., West R.G., Wheatley P.J., 2004, Astronomische Nachrichten, 325, 565-567, `Status of SuperWASP I (La Palma)'

  81. Cropper M., Ramsay G., Hellier C., Mukai K., Mauche C., Pandel D., 2002, Roy Soc of London Phil Tr A, 360, 1951-1966, `X-ray observations of accreting white-dwarf systems'

  82. Hellier, C., 2001, in Evolution of Binary and Multiple Star Systems, eds, Podsiadlowski et al., ASP Conf. Series, 229, 385-389 `On echo outbursts and ER~UMa supercycles in SU~UMa-type cataclysmic variables'

  83. Retter, A., Hellier, C., Augusteijn, T., Naylor, T., 2001, in `Evolution of Binary and Multiple Star Systems', eds, Podsiadlowski et\,al., ASP Conf.~Series, 229, 391-195 `Does TV Col have the Longest Recorded Positive Superhumps?'

  84. Street, R.A. etal with Hellier, C. and 6 others, 1999, IAU Circ. No. 7314. `HD 209458'

  85. Harrop-Allin, M.K., Cropper, M., Hakala, P.J., Hellier, C., Ramseyer, T. 1999, in `Annapolis workshop on magnetic cataclysmic variables', eds Hellier C., Mukai K., ASP Conf. Ser. Vol 157, 81-86. `Indirect imaging of the accretion stream in HU Aquarii'

  86. Allan, A., Hellier, C., Buckley, D.A.H. 1999, in `Annapolis workshop on magnetic cataclysmic variables', eds Hellier C., Mukai K., ASP Conf. Ser. Vol 157, 57-59. `Optical spectroscopy of the intermediate polar RXJ1238-38: evidence for disc overflow?'

  87. Buckley, D., Cropper, M., Ramsay, G., Wickramasinghe, D., Hellier, C., Beardmore, A. 1999, in `Annapolis workshop on magnetic cataclysmic variables', eds Hellier C., Mukai K., ASP Conf. Ser. Vol 157, 51-56. `On the nature of the new below-gap intermediate polar RXJ1238-38'

  88. Hellier, C., Osborne, J.P., Mukai, K., 1998, in Proceedings of the first XMM Workshop on `Science with XMM', http://astro.estec.esa.nl/XMM/news/ws1/ws1_papers.html `Compton-scattered line profiles from cataclysmic variable accretion columns'

  89. Hellier, C., 1998, in Proc. Active X-ray Sky Symposium, Rome 1997, Nuclear Physics B (Proc. Suppl.) 69/1-3, 364-367. `An RXTE observation of the intermediate polar XY Arietis'

  90. Hellier, C., 1998, in Proc. 13th North American CV workshop, eds, Howell, Kuulkers, Woodward, ASP Conf. Series, 137, 535-536. `The phase 0.5 absorption in SW Sextantis stars'

  91. Mukai, K., Madejski, G., Hellier, C., 1998, IAU Circ. No. 6911. `NGC6814'

  92. Hynes, R.I. et al. (10 authors including Hellier, C.), 1998, in Proc. 13th North American CV workshop, eds, Howell, Kuulkers, Woodward, ASP Conf. Series, 137, 509-510. `The 1996 outburst of GRO J1655-40'

  93. Harrop-Allin, M.K., Hakala, P.J., Cropper, M., Hellier, C., Ramseyer, T., 1998, in Proc. 13th North American CV workshop, eds, Howell, Kuulkers, Woodward, ASP Conf. Series, 137, 511-512. `Mapping the accretion stream in eclipsing polars'

  94. Dickinson, R.J., Prinja, R.K., Rosen, S.R., King, A.R., Hellier, C., Horne, K., 1997, in Proc. IAU Colloq. 163, ASP Conf. Series 121, 697-698. `Time-resolved spectroscopy of V795 Herculis'

  95. Mukai, K., Fujimoto, R., Hellier, C., Ishida, M., 1997, in Proc IAU Symp. 188, Kyoto, Japan. `ASCA and XTE observations of the intermediate polar BG CMi'

  96. Horne, K. etal with Hellier, C. and 8 others, 1996, IAU Circ. No. 6406. `GROJ1655-40'

  97. Hellier, C., 1994, IAU Circ. No. 5994. `4U0142+614 and RX J0146.9+6121'

  98. Hellier, C., Ramseyer, T. F., 1994, in `Interacting Binary Stars', ed. A. W. Shafter, ASP Conf. Series, 56, 334-337. `Multi-color photometry of the intermediate polar RE0751+14'

  99. Hellier, C., Smale, A. P., 1994, in `The Evolution of X-ray Binaries', eds. S.S.Holt, C.S.Day, AIP Conf. Proc. 308, 535-538. `An ephemeris update for X1822-371'

  100. Hellier, C., 1993, PASP, 105, 966-968. `The accretion stream in intermediate polar binaries'

  101. Hellier, C., 1993, in `Cataclysmic Variables and Related Physics', Annals of the Israeli Physical Society, 10, 205-207. `Outbursts of intermediate polars'

  102. Hellier, C., 1992, in `Cataclysmic Variable Stars', ed. N. Vogt, ASP Conf. Series, 29, 246-251. `Explaining intermediate polars with discs'

  103. Hellier, C., Sproats, L.N., 1992, IBVS, No.3724, 1-3. `Updated ephemerides for the cataclysmic variable EX Hydrae'

  104. Hellier, C., 1991, Nature, 351, 600 `Darwinism not tautological'

  105. Hellier, C., Mason, K.O., 1990, in `Accretion-Powered Compact Binaries', ed C.W.Mauche, CUP, pp185-193. `Spin period variations of intermediate polar emission lines'

  106. Charles, P.A. et al. 1990, Astr. Space Sci., 169, 147. `Accretion disc evolution in cataclysmic variables - the 1988 international time project in La Palma'

  107. Jones, D.H.P. et al. 1990, in `Accretion-powered compact binaries', CUP, p97. `A sixty night campaign on dwarf novae - a progress report'

  108. Mason, K.O., Rosen, S.R., Hellier, C., 1988, Adv. Space Res., 8, (2)293-303. `The accretion geometry of intermediate polars (DQ Her stars)'

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