Karen Pollard

Associate Professor and DeanKaren Pollard

Director of The University of Canterbury Mt John Observatory
Julius von Haast - Room 620

Qualifications & Memberships

Research Interests

Research interests include:
- understanding the structure and evolution of stars and planetary systems
- asteroseismology: studying the pulsations of stars
- fundamental properties of variable and multiple star systems
- discovering new planets and studying planetary systems

Recent Publications

  • Merle T., Hamers AS., Van Eck S., Jorissen A., Van der Swaelmen M., Pollard K., Smiljanic R., Pourbaix D., Zwitter T. and Traven G. (2022) A spectroscopic quadruple as a possible progenitor of sub-Chandrasekhar type Ia supernovae. Nature Astronomy 6(6): 681-688. http://dx.doi.org/10.1038/s41550-022-01664-5.
  • Sahu KC., Anderson J., Casertano S., Bond HE., Udalski A., Dominik M., Calamida A., Bellini A., Brown TM. and Rejkuba M. (2022) An Isolated Stellar-mass Black Hole Detected through Astrometric Microlensing. Astrophysical Journal 933(1) http://dx.doi.org/10.3847/1538-4357/ac739e.
  • Bergmann C., Jones MI., Zhao J., Mustill AJ., Brahm R., Torres P., Wittenmyer RA., Gunn F., Pollard KR. and Zapata A. (2021) HD 76920 b pinned down: A detailed analysis of the most eccentric planetary system around an evolved star. Publications of the Astronomical Society of Australia http://dx.doi.org/10.1017/pasa.2021.8.
  • Holdsworth DL., Cunha MS., Kurtz DW., Antoci V., Hey DR., Bowman DM., Kobzar O., Buzasi DL., Kochukhov O. and Niemczura E. (2021) TESS cycle 1 observations of roAp stars with 2-min cadence data. Monthly Notices of the Royal Astronomical Society 506(1): 1073-1110. http://dx.doi.org/10.1093/mnras/stab1578.
  • Ramm DJ., Robertson P., Reffert S., Gunn F., Trifonov T., Pollard K. and Cantalloube F. (2021) A photospheric and chromospheric activity analysis of the quiescent retrograde-planet host ν Octantis A. Monthly Notices of the Royal Astronomical Society 502(2): 2793-2806. http://dx.doi.org/10.1093/mnras/stab078.