Presentations

(101 total)

Invited conference talks (15)

Conferences:

  • The impact of magnetic fields on the star-disk interaction and on planet formation, Take a Closer Look: The innermost region of protoplanetary disks and its connection to the origin of planets, ESO Garching, Germany, October 2018.
  • The evolution of the magnetic fields of forming Sun-like stars, Royal Astronomical Society National Astronomy Meeting, Hull, United Kingdom, July 2017.
  • Magnetic field geometry and evolution in pre-main-sequence stars, Stellar magnetism: challenges, connections, and prospects (14th Potsdam thinkshop), Potsdam, Germany, June 2017.


  • The long-term evolution of stellar activity, IAU Symposium 328: living around active stars, Maresias, Brazil, October 2016.
  • Stellar magnetic fields and their impact on exoplanets, Electrification in dusty atmospheres inside and outside the Solar System, Pitlochry, United Kingdom, September 2014.
  • Analytic and numerical models of the magnetospheres of pre-main sequence stars, Magnetic Fields in Stars and Exoplanets, 7th Potsdam Thinkshop, Potsdam, Germany, August 2011.
  • Predicting the global magnetic topology of forming solar-like stars from their position in the Hertzsprung-Russell diagram, MHD and Star Formation Workshop, Ann Arbor, U.S.A., June 2011.
  • The star-disk interaction as a function of spectral type, Magnetic Fields From Core Collapse to Young Stellar Objects, London, Canada, May 2010.


Smaller meetings with collaborators:

  • The link between the magnetic topologies of PMS stars and evolutionary stage MaTYESSE (Magnetic Topologies of Young Stars and the Survival of close-in giant Exoplanets) first meeting, Toulouse, France, November 2015.
  • The magnetospheres of low-mass PMS stars BinaMIcS (Binarity and Magnetic Interactions in various classes of Stars) second meeting, ESO Garching, Germany, October 2013.


  • Models of the magnetosphere of close binaries from Zeeman-Doppler imaging magnetic maps BinaMIcS (Binarity and Magnetic Interactions in various classes of Stars) kick-off meeting, Paris, France, December 2012.
  • Can we predict the magnetic topology of forming solar-like stars from their position in the HR diagram? Magnetic Protostars and Planets project meeting, Toulouse, France, November 2011.
  • 3D magnetospheric topologies from surface maps and analytic models, Magnetic Protostars and Planets project meeting, Toulouse, France, November 2011.
  • Modelling accretion and X-ray emission from young stars using magnetic surface maps, X-ray Accretion Diagnostics workshop, Grenoble, France, June 2008.
  • Modelling mass accretion from magnetic surface maps, MaPP (Magnetic Protostars and Planets) project kick-off meeting, Grenoble, France, March 2008.


Invited seminars/collaquia (15)

  • The coronal genealogy of low-mass stars, The Leibniz Institute for Astrophysics Potsdam (AIP), Potsdam, Germany, September 2017.
  • The coronal genealogy of low-mass stars, University of St Andrews (Solar Physics Group), St Andrews, U.K., April 2017.
  • The coronal evolution of pre-main sequence stars, University of Sheffield, U.K., November 2016.
  • Pre-main sequence evolution: magnetism, rotation, and X-rays, University of Glasgow, U.K., October 2015.
  • The influence of radiative core development on pre-main sequence evolution, Kiepenheuer-Institut fur Sonnenphysik, Germany, May 2015.


  • The magnetic evolution of newborn Sun-like stars, DIAS (Dublin Institute for Advanced Study), Dublin, Ireland, November 2014.
  • The violent lives of newborn Sun-like stars, Rice University, Houston, TX, U.S.A. February 2014.
  • Can we predict the large-scale magnetic tolopology of newborn solar-like stars?, University of St Andrews (Solar Physics Group), St Andrews, U.K., November 2013.
  • The evolution of the magnetic interaction between forming Sun-like stars, disks, and planets, Universite de Montreal, Canada, March 2012.
  • Can we predict the magnetic topology of newborn Sun-like stars from their position in the HR diagram? Imperial College London, U.K., February 2012.


  • Can we predict the magnetic topology of forming solar-like stars from their position in the HR diagram? Kiepenheuer-Institut fur Sonnenphysik, Germany, November 2011.
  • The magnetic fields of forming solar-like stars, NASA JPL, U.S.A., May 2011.
  • The magnetic fields of forming solar-like stars, Glasgow, U.K., November 2009.
  • The magnetospheres of forming solar-like stars, Utrecht, the Netherlands, March 2009.
  • The magnetic fields of forming solar-like stars, Edinburgh, U.K., November 2008.


Contributed conference talks (29)

  • Star-disk interaction induced spin-up of pre-main-sequence stars due to radiative core growth, Stars with a stable magnetic field: from pre-main sequence to compact remnants, Brno, Czech Republic, August 2017.
  • The magnetic, coronal, and rotational evolution of pre-main-sequence stars19th Meeting on Cool Stars, Stellar Systems and the Sun (Cool Stars 19, plenary session), Uppsala, Sweden, June 2016.
  • Non-dipolar magnetic field models of redshifted absorption in HeI 10830A as a probe of accretion on to young stars, The Accretion/Outflow connection in YSOs workshop, ESA/ESTEC, Noordwijk, the Netherlands, October 2015.
  • The influence of radiative core development on pre-main sequence evolution, Star and Planet Formation in the South West 1, Biosphere 2, Oracle, AZ, U.S.A., March 2015.


  • The influence of radiative core development on pre-main sequence evolution, BCool 2015: fourth BCool workshop, Geneva, Switzerland, February 2015.
  • An X-ray signature of increasing magnetic topology complexity on the pre-main sequence, BCool 2014: third BCool workshop, St Andrews, U.K., January 2014.
  • Can we predict the global magnetic topology of a pre-main sequence stars from its position in the Hertzsprung-Russell diagram? IAUS 302 Magnetic Fields throughout Stellar Evolution, Biarritz, France, August 2013.
  • Can we predict the global magnetic topology of a pre-main sequence stars from its position in the Hertzsprung-Russell diagram? Royal Astronomical Society National Astronomy Meeting, St Andrews, U.K., July 2013.
  • The evolution of the star-disk interaction for newborn solar-like stars, Physics at the Magnetospheric Boundary, Geneva, Switzerland, June 2013.


  • Can we predict the global magnetic topology of a pre-main sequence stars from its position in the Hertzsprung-Russell diagram? Differential Rotation and Magnetism across the HR Diagram, Stockholm, Sweden, April 2013.
  • Can we predict the global magnetic topology of a pre-main sequence stars from its position in the Hertzsprung-Russell diagram? SUPA Cormack meeting, Edinburgh, U.K., November 2012.
  • The star-disk interaction as a function of spectral type, Transport Processes and Accretion in YSOs, Castle Ringberg, Germany, February 2011.
  • Modeling X-ray emission from the coronae of low mass stars, AAS 213th Meeting, Long Beach, U.S.A., January 2009.
  • The magnetic fields of accreting T Tauri stars, 15th Meeting on Cool Stars, Stellar Systems and the Sun (Cool Stars 15, plenary session), St Andrews, U.K., July 2008.


  • The magnetic fields of young Suns, AAS 211th Meeting, Austin, U.S.A., January 2008.
  • The magnetic fields of young Suns, Royal Astronomical Society YAM 2007, Edinburgh, U.K., December 2007.
  • Why are accreting T Tauri stars observed to be less luminous in X-rays than non-accretors? IAU Symposium 243 Star-disk Interaction in Young Stars, Grenoble, France, May 2007.
  • Why are accreting T Tauri stars less luminous in X-rays than non-accretors? Royal Astronomical Society National Astronomy Meeting, Preston, U.K., April 2007.
  • Rotational modulation of X-ray emission from T Tauri stars, Coronae of Stars and Accretion Disks, Bonn, Germany, December 2006.


  • Rotational modulation of X-ray emission from T Tauri stars, 14th Meeting on Cool Stars, Stellar Systems and the Sun (Cool Stars 14), Splinter Session on the Coronal Structure of PMS Stars, Pasadena, U.S.A., November 2006.
  • X-ray emission from T Tauri stars, Disks 2006, Vidago, Portugal, September 2006.
  • Mass accretion on to T Tauri stars, Royal Astronomical Society National Astronomy Meeting, Leicester, U.K., April 2006.
  • X-ray emission from T Tauri stars, Royal Astronomical Society National Astronomy Meeting, Leicester, U.K., April 2006.
  • Mass accretion on to T Tauri stars, RTN (Research training network) School on Jets from Young Stars: Models and Constraints, Villard-de-Lans, France, January 2006.


  • Accretion on to complex stellar fields, Cormack Bequest Meeting 2005, St Andrews, U.K., May 2005.
  • Accretion on to complex stellar fields, Royal Astronomical Society National Astronomy Meeting, Birmingham, U.K., April 2005.
  • Accretion channelling in CTTS, 13th Meeting on Cool Stars, Stellar Systems and the Sun (Cool Stars 13, plenary session), Hamburg, Germany, July 2004.
  • Accretion channelling in CTTS, Cormack Bequest Meeting 2004, Royal Society of Edinburgh, Edinburgh, U.K., April 2004.
  • Accretion channelling in CTTS, Royal Astronomical Society National Astronomy Meeting, Milton Keynes, U.K., April 2004


Other seminars/talks (12)

  • Are accreting young stars spun-up as the develop solar-like interiors? University of St Andrews, U.K., March 2017.
  • Do intermediate mass pre-main sequence stars lose their coronae? University of St Andrews, U.K., December 2015.


  • Magnetic fields across the PMS of the H-R diagram, Caltech, U.S.A., June 2012.
  • The magnetic fields of PMS stars, Caltech, U.S.A., April 2011.
  • Why are accreting T Tauri stars less luminous in X-rays than non-accretors?  University of St Andrews, U.K., March 2007.
  • X-rays and large flares from young stellar objects, University of St Andrews, U.K., September 2006.
  • T Tauri stars: mass accretion and X-ray emission, University of St Andrews, U.K., January 2006.


  • Accretion on to complex stellar fields, University of St Andrews, U.K., May 2005.
  • Magnetospheric accretion in young stars, Postgraduate Symposium, University of St Andrews, U.K., June 2004.
  • Magnetospheric accretion in young stars, University of St Andrews, U.K., May 2004.
  • Accretion in classical T Tauri stars, University of St Andrews, U.K., March 2004.
  • The dispersal of discs around young stars, Institute of Astronomy, Cambridge, U.K., August 2002.


Posters at conferences (31)

  • The multipolar magnetic fields of accreting pre-main-sequence starsS G Gregory, J-F Donati, G A J Hussain, 19th Meeting on Cool Stars, Stellar Systems and the Sun, Uppsala, Sweden, June 2016.


  • The evolution of baby Sun-like stars, E Stuart-Morrison, S G Gregory, C L Davies, H S Dalgleish, Nuffield Foundation celebration day, Edinburgh, UK, September 2015.
  • Magnetic field extrapolation in binary and star-planet systems, V R Holzwarth, S G Gregory, 18th Meeting on Cool Stars, Stellar Systems and the Sun, Flagstaff, AZ, USA, June 2014.
  • Accretion discs as regulators of stellar angular momentum evolution in the ONC and Taurus, C L Davies, S G Gregory, J S Greaves, 18th Meeting on Cool Stars, Stellar Systems and the Sun, Flagstaff, AZ, USA, June 2014.
  • Evolution of stellar magnetism: observational constraints, A A Vidotto, S G Gregory, M Jardine, J-F Donati, P Petit, J Morin, A C Cameron, R Fares, S Marsden, I Waite, C Folsom, G Hussain, S Jeffers, J Bouvier, 400 Years of Stellar Rotation, Natal, Brazil, November 2013.
  • V4046 Sgr: X-rays from accretion shock, C Argiroffi, A Maggio, T Montmerle, D Huenemoerder, E Alecian, M Audard, J Bouvier, F Damiani, J-F Donati, S G Gregory, M Gudel, G Hussain, J Kastner, G G Sacco, IAUS 302 Magnetic Fields throughout Stellar Evolution, Biarritz, France, August 2013.


  • The magnetosphere of the close accreting pre-main sequence binary V4046 SgrS G Gregory, V Holzwarth, J-F Donati, G A J Hussain, T Montmerle, E Alecian, C Argiroffi, M Audard, J Bouvier, F Damiani, M Gudel, D P Huenemoerder, J H Kastner, A Maggio, G G Sacco, IAUS 302 Magnetic Fields throughout Stellar Evolution, Biarritz, France, August 2013.
  • The magnetosphere of the close accreting pre-main sequence binary V4046 SgrS G Gregory, V Holzwarth, J-F Donati, G A J Hussain, T Montmerle, E Alecian, C Argiroffi, M Audard, J Bouvier, F Damiani, M Gudel, D P Huenemoerder, J H Kastner, A Maggio, G G Sacco, Royal Astronomical Society National Astronomy Meeting, St Andrews, U.K., July 2013.
  • The magnetosphere of the close accreting pre-main sequence binary V4046 SgrS G Gregory, V Holzwarth, J-F Donati, G A J Hussain, T Montmerle, E Alecian, C Argiroffi, M Audard, J Bouvier, F Damiani, M Gudel, D P Huenemoerder, J H Kastner, A Maggio, G G Sacco, Physics at the Magnetospheric Boundary, Geneva, Switzerland, June 2013.
  • Accretion shock diagnostics in T Tauri stars, D R Ardila, G Herczeg, C Johns-Krull, S G Gregory, J Linsky, the DAO (Disks, accretion, and outflows) collaboration, UV astronomey: HST and beyond, Kauai, Hawaii, June 2012.
  • The close T Tauri binary system V4046 Sgr: accretion and coronal activity, A Maggio, C Argiroffi, T Montmerle, D P Huenemoerder, M Audard, J-F Donati, S G Gregory, E Alecian, J Bouvier, F Damiani, M Gudel, G A J Hussain, J H Kastner, G G Sacco, 17th Meeting on Cool Stars, Stellar Systems and the Sun, Barcelona, Spain, June 2012.


  • The DAO of Tau: disks, accretion and outflows of T Tauri stars, G J Herczeg, K France, E Schindhelm, L Ingleby, D Ardila, A Brown, J Valenti, H Yang, N Calvet, E Burgh, J Green, J Linsky, S G Gregory, L Hillenbrand, F Walter, H Abgrall, R Alexander, E Bergin, T Bethell, J Brown, S Edwards, C Espaillat, G Harper, G Hussain, C Johns-Krull, M McJunkin, E Roueff, 17th Meeting on Cool Stars, Stellar Systems and the Sun, Barcelona, Spain, June 2012.
  • Can we predict the large-scale magnetic topology of a forming low mass star from its position in the Hertzsprung-Russell diagram? S G Gregory, J-F Donati, J Morin, G A J Hussain, N Mayne, L A Hillenbrand, M B Skelly, M Jardine, Magnetic Fields in Stars and Exoplanets, 7th Potsdam Thinkshop, Potsdam, Germany, August 2011.
  • The magnetic field of the close accreting T Tauri binary V4046 Sgr ABS G Gregory, V Holzwarth, J-F Donati, G A J Hussain, T Montmerle, E Alecian, C Argiroffi, M Audard, J Bouvier, F Damiani, M Gudel, D P Huenemoerder, J H Kastner, A Maggio, G G Sacco, Magnetic Fields in Stars and Exoplanets, 7th Potsdam Thinkshop, Potsdam, Germany, August 2011.
  • Variable X-ray emission from the accretion shock in the classical T Tauri star V2129 Oph, E Flaccomio, C Argiroffi, J Bouvier, J-F Donati, K V Getman, S G Gregory, G A J Hussain, M M Jardine, M B Skelly, F M Walter, 218th Meeting of the American Astronomical Society, Boston, USA, May 2011.
  • Surface and atmospheric structure on the T Tauri star V2129 Oph, F M Walter, E Falccomio, S H P Alencar, C Argiroffi, J Bouvier, J-F Donati, K Getman, S G Gregory, G Hussain, M Ibrahimov, M Jardine, M Skelly, 16th Meeting on Cool Stars, Stellar Systems and the Sun, Seattle, USA, August 2010.


  • Coordinated optical/X-ray observations of V2129 Oph - the Chandra view, E Flaccomio, C Argiroffi, F Walter, G Hussain, J-F Donati, J Bouvier, K Getman, M Skelly, M Ibrahimov, M M Jardine, S G Gregory, 16th Meeting on Cool Stars, Stellar Systems and the Sun, Seattle, USA, August 2010.
  • COS observations of accretion and H2 in the disks of T Tauri stars, L Ingleby, N Calvet, G Herczeg, T Bergin, E Roueff, H Abgrall, A Brown, F Walter, the DAO (Disks, Accretion, and Outflows) team (inc. S G Gregory), 16th Meeting on Cool Stars, Stellar Systems and the Sun, Seattle, USA, August 2010.
  • Testing the ability of field extrapolation models to predict the X-ray emission properties of pre-main sequence starsS G Gregory, E Flaccomio, C Argiroffi, J Bouvier, J-F Donati, E D Feigelson, K V Getman, G A J Hussain, M Ibrahimov, M Jardine, F M Walter, RAS National Astronomy Meeting, Glasgow, U.K., April 2010.
  • Testing the ability of field extrapolation models to predict the X-ray emission properties of pre-main sequence starsS G Gregory, E Flaccomio, C Argiroffi, J Bouvier, J-F Donati, E D Feigelson, K V Getman, G A J Hussain, M Ibrahimov, M Jardine, F M Walter, AAS High energy astrophysics devision meeting, Hilton Waikoloa Village, Hawaii, USA, March 2010.
  • Chandra and HST observations of the high energy (X-ray/UV) radiation fields for an evolutionary sequence of pre-main sequence stars, A Brown, G J Herczeg, J M Brown, F M Walter, J Valenti, D Ardila, L A Hillenbrand, S Edwards, C M Johns-Krull, R Alexander, E A Bergin, N Calvet, T J Bethell, L Ingleby, J S Bary, M Audard, C Baldovin, E Roueff, H Abgrall, S G Gregory, T R Ayres, J L Linsky, AAS High energy astrophysics devision meeting, Hilton Waikoloa Village, Hawaii, USA, March 2010.


  • The star-disc interaction as a function of spectral typeS G Gregory, M Jardine, J Morin, J-F Donati, From Circumstellar Disks to Planetary Systems, Garching, Germany, November 2009.
  • Multi-wavelength observing of a forming solar-like starS G Gregory, E Flaccomio, C Argiroffi, J Bouvier, J-F Donati, E Feigelson, K V Getman, G A J Hussain, M Jardine, F M Walter, Cormack Bequest meeting 2009, Dundee, U.K., April 2009.
  • Multi-wavelength observing of a forming solar-like starS G Gregory, E Flaccomio, C Argiroffi, J Bouvier, J-F Donati, E Feigelson, K V Getman, G A J Hussain, M Jardine, F M Walter, Workshop on High resolution X-ray spectroscopy: towards IXO, Mullard Space Science Laboratory, U.K., March 2009.
  • Modelling X-ray emission from stellar coronaeS G Gregory, M Jardine, C Argiroffi, J-F Donati, 15th Meeting on Cool Stars, Stellar Systems and the Sun, St Andrews, U.K., July 2008.
  • Comoving-frame transfer simulations of magnetospheric accretion, T J Harries, C Pinte, S G Gregory, M Jardine, N H Symington, IAU Symposium 243 Star-disk Interaction in Young Stars, Grenoble, France, May 2007.


  • Rotational modulation of X-ray emission from T Tauri starsS G Gregory, M Jardine, A C Cameron, J-F Donati, Coronae of Stars and Accretion Disks, Bonn, Germany, December 2006.
  • Rotationally modulated X-ray emission from T Tauri starsS G Gregory, M Jardine, A C Cameron, J-F Donati, 14th Meeting on Cool Stars, Stellar Systems and the Sun, Pasadena, U.S.A., November 2006.
  • Mass accretion on to T Tauri starsS G Gregory, M Jardine, I Simpson, A C Cameron, J-F Donati, Protostars and Planets V, Hilton Waikoloa Village, Hawai'i, U.S.A., October 2005.
  • X-ray emission from T Tauri stars, M Jardine, S G Gregory, A C Cameron, J-F Donati, Protostars and Planets V, Hilton Waikoloa Village, Hawai'i, U.S.A., October 2005.
  • Accretion on to complex stellar fields, M Jardine, S G Gregory, A C Cameron, J-F Donati, From Disks to Planets: New Observations, Models and Theories, Pasadena, U.S.A., March 2005.