Research outputs: Dr. Scott Gregory

  1. Magnetic activity and radial velocity filtering of young Suns DOI
    C. A. Hill, A. Carmona, J.-F. Donati, G. A. J. Hussain, S. G. Gregory, S. H. P. Alencar, J. Bouvier and MaTYSSE Collaboration, Monthly Notices of the Royal Astronomical Society, 472, 2 , p. 1716-1735 (2017)
  2. A hot Jupiter around the very active weak-line T Tauri star TAP 26 DOI
    L. Yu, J.-F. Donati, E. M. Hébrard, C. Moutou, L. Malo, K. Grankin, G. Hussain, A. Collier Cameron, A. A. Vidotto, C. Baruteau et al., Monthly Notices of the Royal Astronomical Society, 467, 2 , p. 1342-1359 (2017)
  3. The hot Jupiter of the magnetically-active weak-line T Tauri star V830 Tau DOI
    J.-F. Donati, L. Yu, C. Moutou, A. C. Cameron, L. Malo, K. Grankin, E. Hébrard, G. A. J. Hussain, A. A. Vidotto, S. H. P. Alencar et al., Monthly Notices of the Royal Astronomical Society, 465, 3 , p. 3343-3360 (2017)
  4. The connection between stellar activity cycles and magnetic field topology DOI
    V. See, M. Jardine, A. A. Vidotto, J.-F. Donati, S. Boro Saikia, J. Bouvier, R. Fares, C. P. Folsom, S. G. Gregory, G. Hussain et al., Monthly Notices of the Royal Astronomical Society, 462, 4 , p. 4442-4450 (2016)
  5. A model for (quasi-)periodic multi-wavelength photometric variability in young stellar objects DOI
    Aurora Y. Kesseli, Maya A. Petkova, Kenneth Wood, Barbara A. Whitney, L. A. Hillenbrand, Scott G. Gregory, J. R. Stauffer, M. Morales-Calderon, L. Rebull and S. H. P. Alencar, Astrophysical Journal, 828, 1 (2016)
  6. What can we learn about stellar activity cycles from ZDI? DOI
    Victor See, M. Jardine, A. Vidotto, J.-F. Donati, S. Boro Saikia, J. Bouvier, R. Fares, C. Folsom, S. Gregory, G. Hussain et al. (2016)
  7. The influence of radiative core growth on coronal X-ray emission from pre-main sequence stars DOI
    Scott Gregory, Fred C. Adams and Claire Davies, Monthly Notices of the Royal Astronomical Society, 457, 4 , p. 3836-3858 (2016)
  8. Magnetohydrostatic modelling of stellar coronae DOI
    David MacTaggart, Scott Gregory, Thomas Neukirch and Jean-Francois Donati, Monthly Notices of the Royal Astronomical Society, 456, 1 , p. 767-774 (2016)
  9. Magnetic activity and hot Jupiters of young Suns DOI
    J.-F. Donati, E. Hébrard, Gaitee Ara Jaffer Hussain, C. Moutou, L. Malo, K. Grankin, Aline Vidotto, S. H. P. Alencar, Scott Gregory, Moira Mary Jardine et al., Monthly Notices of the Royal Astronomical Society, 453, 4 , p. 3706-3719 (2015)
  10. The energy budget of stellar magnetic fields DOI
    Wyke Chun Victor See, Moira Mary Jardine, Aline Vidotto, J.-F. Donati, C. P. Folsom, S. Boro Saikia, J. Bouvier, Rim Fares, Scott Gregory, Gaitee Ara Jaffer Hussain et al., Monthly Notices of the Royal Astronomical Society, 453, 4 , p. 4301-4310 (2015)
  11. Modelling the magnetic activity and filtering radial velocity curves of young Suns DOI
    J.-F. Donati, E. Hébrard, G. Hussain, C. Moutou, K. Grankin, I. Boisse, J. Morin, S. G. Gregory, A. A. Vidotto, J. Bouvier et al., Monthly Notices of the Royal Astronomical Society, 444, 4 , p. 3220-3229 (2014)
  12. Accretion discs as regulators of stellar angular momentum evolution in the ONC and Taurus-Auriga DOI
    Claire Davies, Scott Gregory and Jane Sophia Greaves, Monthly Notices of the Royal Astronomical Society, 444, 2 , p. 1157-1176 (2014)
  13. Stellar magnetism DOI
    A.A. Vidotto, S.G. Gregory, M. Jardine, J.F. Donati, P. Petit, J. Morin, C.P. Folsom, J. Bouvier, A.C. Cameron, G. Hussain et al., Monthly Notices of the Royal Astronomical Society, 441, 3 , p. 2361-2374 (2014)
  14. Classical T Tauri stars DOI
    C. P. Johnstone, Moira Mary Jardine, Scott Gregory, J. -F. Donati and G. Hussain, Monthly Notices of the Royal Astronomical Society, 437, 4 , p. 3202-3220 (2014)
  15. The magnetosphere of the close accreting PMS binary V4046 Sgr DOI
    S.G. Gregory, V.R. Holzwarth, J.-F. Donati, G.A.J. Hussain, T. Montmerle, E. Alecian, S.H.P. Alencar, C. Argiroffi, M. Audard, J. Bouvier et al., EPJ Web of Conferences, 64 (2014)
  16. Can we predict the magnetic properties of PMS stars from their H-R diagram location? DOI
    S. G. Gregory, J. F. Donati, J. Morin, G. A J Hussain, N. J. Mayne, L. A. Hillenbrand and M. Jardine, : Proceedings of the International Astronomical Union, 9, p. 40-43 (2014)
  17. Magnetospheric accretion on the fully-convective classical T Tauri star DN Tau DOI
    JF Donati, Scott Gregory, SHP Alencar, G. Hussain, J Bouvier, Moira Mary Jardine, F Menard, C Dougados and MM Romanova, Monthly Notices of the Royal Astronomical Society, 436, 1 , p. 881-897 (2013)
  18. Accretion Rates for T Tauri Stars Using Nearly Simultaneous Ultraviolet and Optical Spectra DOI
    Laura Ingleby, Nuria Calvet, Gregory Herczeg, Alex Blaty, Frederick Walter, David Ardila, Richard Alexander, Suzan Edwards, Catherine Espaillat, Scott Gregory et al., Astrophysical Journal, 767, 2 (2013)
  19. Hot Gas Lines in T Tauri Stars DOI
    David R. Ardila, Gregory J. Herczeg, Scott Gregory, Laura Ingleby, Kevin France, Alexander Brown, Suzan Edwards, Christopher Johns-Krull, Jeffrey L. Linsky, Hao Yang et al., Astrophysical Journal Supplement Series, 207, 1 (2013)
  20. Magnetometry of the classical T Tauri star GQ Lup: non-stationary dynamos & spin evolution of young Suns DOI
    J. F. Donati, S. G. Gregory, S. H. P. Alencar, G. Hussain, J. Bouvier, C. Dougados, M. M. Jardine, F. Menard, M. M. Romanova and the MaPP Collaboration, Monthly Notices of the Royal Astronomical Society, 425, 4 , p. 2948-2963 (2012)
  21. Can we predict the global magnetic topology of a pre-main-sequence star from its position in the Hertzsprung-Russell diagram? DOI
    Scott Gregory, J. -F. Donati, J. Morin, Gaitee Ara Jaffer Hussain, N. J. Mayne, L. A. Hillenbrand and Moira Mary Jardine, Astrophysical Journal, 755, 2 (2012)
  22. The close T Tauri binary system V4046 Sgr: Rotationally modulated X-ray emission from accretion shocks DOI
    C. Argiroffi, A. Maggio, T. Montmerle, D. P. Huenemoerder, E. Alecian, M. Audard, J. Bouvier, F. Damiani, J. -F. Donati, S. G. Gregory et al., Astrophysical Journal, 752 (2012)
  23. Mechanical equilibrium of hot, large-scale magnetic loops on T Tauri stars DOI
    A. Aarnio, J. Llama, M. Jardine and S. G. Gregory, Monthly Notices of the Royal Astronomical Society, 421, 2 , p. 1797-1802 (2012)
  24. Coordinated Optical/X-ray observations of the CTTS V2129 Oph The Chandra View
    Ettore Flaccomio, Costanza Argiroffi, Silvia Alencar, Jerome Bouvier, Jean-Francois Donati, Kosta Getman, Scott Gregory, M Ibrahimov, Gaitee Ara Jaffer Hussain, Moira Mary Jardine et al., 448, p. 603-608 (2012)
  25. Magnetically Controlled Accretion Flows onto Young Stellar Objects DOI
    Fred C. Adams and Scott G. Gregory, Astrophysical Journal, 744, 1 (2012)
  26. Surface and atmospheric structure on the T Tauri star V2129 Oph
    Fred Walter, Ettore Flaccomio, Silvia Alencar, Costanza Argiroffi, Jerome Bouvier, Jean-Francois Donati, Kosta Getman, Scott Gregory, Gaitee Ara Jaffer Hussain, M Ibrahimov et al., 448, p. 755-760 (2012)
  27. The soft X-ray light curves of partially eclipsed stellar flares DOI
    C. P. Johnstone, S. G. Gregory, M. M. Jardine and K. V. Getman, Monthly Notices of the Royal Astronomical Society, 419, 1 , p. 29-38 (2012)
  28. The large-scale magnetic field and poleward mass accretion of the classical T Tauri star TW Hya DOI
    J. -F. Donati, S. G. Gregory, S. H. P. Alencar, J. Bouvier, G. Hussain, M. Skelly, C. Dougados, M. M. Jardine, F. Menard, M. M. Romanova et al., Monthly Notices of the Royal Astronomical Society, 417, 1 , p. 472-487 (2011)
  29. Variable X-ray emission from the accretion shock in the classical T Tauri star V2129 Ophiuchi DOI
    C. Argiroffi, E. Flaccomio, J. Bouvier, J. -F. Donati, K. V. Getman, S. G. Gregory, G. A. J. Hussain, M. M. Jardine, M. B. Skelly and F. M. Walter, Astronomy & Astrophysics, 530 (2011)
  30. Non-stationary dynamo and magnetospheric accretion processes of the classical T Tauri star V2129 Oph DOI
    J. -F. Donati, J. Bouvier, F. M. Walter, Scott Gregory, M. B. Skelly, Gaitee Ara Jaffer Hussain, E. Flaccomio, C. Argiroffi, K. N. Grankin, Moira Mary Jardine et al., Monthly Notices of the Royal Astronomical Society, 412, 4 , p. 2454-2468 (2011)
  31. Analytic and numerical models of the 3D multipolar magnetospheres of pre-main sequence stars DOI
    S. G. Gregory and J. -F. Donati, Astronomische Nachrichten (2011)
  32. Equation of the field lines of an axisymmetric multipole with a source surface DOI
    S. G. Gregory, American Journal of Physics (2011)
  33. GSC 07396-00759 = V4046 Sgr C[D]: a Wide-separation Companion to the Close T Tauri Binary System V4046 Sgr AB DOI
    J. H. Kastner, G. G. Sacco, R. Montez Jr., D. P. Huenemoerder, H. Shi, E. Alecian, C. Argiroffi, M. Audard, J. Bouvier, F. Damiani et al., Astrophysical Journal Letters (2011)
  34. NUV Excess in Slowly Accreting T Tauri Stars DOI
    Laura Ingleby, Nuria Calvet, Edwin Bergin, Gregory Herczeg, Alexander Brown, Richard Alexander, Suzan Edwards, Catherine Espaillat, Kevin France, Scott G. Gregory et al., Astrophysical Journal (2011)
  35. The close classical T Tauri binary V4046 Sgr: Complex magnetic fields & distributed mass accretion DOI
    J. F. Donati, S. G. Gregory, T. Montmerle, A. Maggio, C. Argiroffi, G. Sacco, G. Hussain, J. Kastner, S. H. P. Alencar, M. Audard et al., Monthly Notices of the Royal Astronomical Society (2011)
  36. The Far-Ultraviolet "Continuum" in Protoplanetary Disk Systems II DOI
    Kevin France, Eric Schindhelm, Eric B. Burgh, Gregory J. Herczeg, Graham M. Harper, Alexander Brown, James C. Green, Jeffrey L. Linsky, Hao Yang, Hervé Abgrall et al., Astrophysical Journal (2011)
  37. Magnetospheric accretion and spin-down of the prototypical classical T Tauri star AA Tau DOI
    J. -F. Donati, M. B. Skelly, J. Bouvier, S. G. Gregory, K. N. Grankin, M. M. Jardine, G. A. J. Hussain, F. Menard, C. Dougados, Y. Unruh et al., Monthly Notices of the Royal Astronomical Society, 409, 4 , p. 1347-1361 (2010)
  38. The magnetic fields of forming solar-like stars DOI
    S. G. Gregory, M. Jardine, C. G. Gray and J-F Donati, Reports on Progress in Physics, 73, 12 (2010)
  39. Complex magnetic topology and strong differential rotation on the low-mass T Tauri star V2247 Oph star DOI
    J-F. Donati, M. B. Skelly, J. Bouvier, M. M. Jardine, S. G. Gregory, J. Morin, G. A. J. Hussain, C. Dougados, F. Menard and Y. Unruh, Monthly Notices of the Royal Astronomical Society, 402, 3 , p. 1426-1436 (2010)
  40. Multi-wavelength observing of a forming solar-like star
    S. G. Gregory, E. Flaccomio, C. Argiroffi, J. Bouvier, J. -F. Donati, E. D. Feigelson, K. V. Getman, G. A. J. Hussain, M. Jardine and F. M. Walter (2009)
  41. The magnetic fields of accreting T Tauri stars DOI
    S. G. Gregory, S. P. Matt, J. -F. Donati, M. Jardine and E Stempels (Editor), : AIP Conference Proceedings, 1094, p. 71-76 (2009)
  42. Stellar mass ejections DOI
    Moira Jardine, Jean-Francois Donati, Scott G. Gregory, N Gopalswamy (Editor) and DF Webg (Editor), p. 201-210 (2009)
  43. The non-dipolar magnetic fields of accreting T Tauri stars DOI
    S. G. Gregory, S. P. Matt, J. -F. Donati and M. Jardine, Monthly Notices of the Royal Astronomical Society, 389, 4 , p. 1839-1850 (2008)
  44. Magnetospheric accretion on the T Tauri star BP Tauri DOI
    J. -F. Donati, Moira Mary Jardine, Scott Gregory, P. Petit, F. Paletou, J. Bouvier, C. Dougados, F. Menard, Andrew Collier Cameron, T. J. Harries et al., Monthly Notices of the Royal Astronomical Society, 386, 3 , p. 1234-1251 (2008)
  45. Coronal structure of the classical T Tauri star V2129 Oph DOI
    M. M. Jardine, S. G. Gregory and J.-F. Donati, Monthly Notices of the Royal Astronomical Society, 386, p. 688-696 (2008)
  46. X-Ray flares in Orion Young Stars. II. Flares, Magnetospheres, and Protoplanetary Disks DOI
    Konstantin V. Getman, Eric D. Feigelson, Giuseppina Micela, Moira M. Jardine, Scott G. Gregory and Gordon P. Garmire, Astrophysical Journal (2008)
  47. Magnetic fields and accretion flows on the classical T Tauri star V2129 Oph DOI
    J.-F. Donati, Moira Mary Jardine, Scott Gregory, P. Petit, J. Bouvier, C. Dougados, F. Ménard, Andrew Collier Cameron, T. J. Harries, Sandra Victoria Jeffers et al., Monthly Notices of the Royal Astronomical Society, 380, 4 , p. 1297-1312 (2007)
  48. Why are accreting T Tauri stars observed to be less luminous in X-rays than non-accretors DOI
    S. G. Gregory, K. Wood and M. Jardine, Monthly Notices of the Royal Astronomical Society, 379 (2007)
  49. Rotationally modulated X-ray emission from T Tauri stars DOI
    Scott Gregory, Moira Mary Jardine, Andrew Collier Cameron and J.-F. Donati, Monthly Notices of the Royal Astronomical Society, 373, 2 , p. 827-835 (2006)
  50. Mass accretion on to T tauri stars DOI
    Scott Gregory, Moira Mary Jardine, I Simpson and J.-F. Donati, Monthly Notices of the Royal Astronomical Society, 371, 2 , p. 999-1013 (2006)
  51. Rapid rotation of ultra-Li-depleted halo stars and their association with blue stragglers DOI
    SG Ryan, SG Gregory, U Kolb, TC Beers and T Kajino, Astrophysical Journal, 571, 1 , p. 501-511 (2002)