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Browsing by Author "Aarnio, Alicia N."

Browsing by Author "Aarnio, Alicia N."

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  • Roettenbacher, Rachael M.; Monnier, John D.; Henry, Gregory W.; Fekel, Francis C.; Williamson, Michael H.; Pourbaix, Dimitri; Latham, David W.; Latham, Christian A.; Torres, Guillermo; Baron, Fabien; Che, Xiao; Kraus, Stefan; Schaefer, Gail H.; Aarnio, Alicia N.; Korhonen, Heidi; Harmon, Robert O.; ten Brummelaar, Theo A.; Sturmann, Judit; Sturmann, Laszlo; Turner, Nils H. (2015)
    To measure the properties of both components of the RS Canum Venaticorum binary s Geminorum (s Gem), we directly detect the faint companion, measure the orbit, obtain model-independent masses and evolutionary histories, ...
  • Willson, Matthew; Kraus, Stefan; Kluska, Jacques; Monnier, John D.; Cure, Michel; Sitko, Mike; Aarnio, Alicia N.; Ireland, Michael J.; Rizzuto, Aaron; Hone, Edward; Kreplin, Alexander; Andrews, Sean; Calvet, Nuria; Espaillat, Catherine; Fukagawa, Misato; Harries, Tim J.; Hinkley, Sasha; Kanaan, Samer; Muto, Takayuki; Wilner, David J. (2019)
    Context. V1247 Orionis harbours a pre-transitional disc with a partially cleared gap. Earlier interferometric and polarimetric observations revealed strong asymmetries both in the gap region and in the outer disc. The ...
  • Laws, Anna S. E.; Harries, Tim J.; Setterholm, Benjamin R.; Monnier, John D.; Rich, Evan A.; Aarnio, Alicia N.; Adams, Fred C.; Andrews, Sean; Bae, Jaehan; Calvet, Nuria; Espaillat, Catherine; Hartmann, Lee; Hinkley, Sasha; Isella, Andrea; Kraus, Stefan; Wilner, David; Zhu, Zhaohuan (2020)
    We are undertaking a large survey of over 30 disks using the Gemini Planet Imager (GPI) to see whether the observed dust structures match spectral energy distribution predictions and have any correlation with stellar ...
  • Monnier, John D.; Harries, Tim J.; Bae, Jaehan; Setterholm, Benjamin R.; Laws, Anna; Aarnio, Alicia N.; Adams, Fred C.; Andrews, Sean; Calvet, Nuria; Espaillat, Catherine; Hartmann, Lee; Kraus, Stefan; McClure, Melissa; Miller, Chris; Oppenheimer, Rebecca; Wilner, David J.; Zhu, Zhaohuan (2019)
    We present the first images of the transition disk around the close binary system HD 34700A in polarized scattered light using the Gemini Planet Imager instrument on Gemini South. The J- and H-band images reveal multiple ...
  • Roettenbacher, R. M.; Monnier, J. D.; Korhonen, H.; Aarnio, Alicia N.; Baron, F.; Che, X.; Harmon, R. O.; Kovári, Zs; Kraus, S.; Schaefer, G. H.; Torres, G.; Zhao, M.; Ten Brummelaar, T. A.; Sturmann, J.; Sturmann, L. (2016)
    Sunspots are cool areas caused by strong surface magnetic fields that inhibit convection. Moreover, strong magnetic fields can alter the average atmospheric structure, degrading our ability to measure stellar masses and ...
  • Monnier, John D.; Harries, Tim J.; Aarnio, Alicia N.; Adams, Fred C.; Andrews, Sean; Calvet, Nuria; Espaillat, Catherine; Hartmann, Lee; Hinkley, Sasha; Kraus, Stefan; McClure, Melissa; Oppenheimer, Rebecca; Perrin, Marshall; Wilner, David (2017)
    In order to look for signs of ongoing planet formation in young disks, we carried out the first J-band polarized emission imaging of the Herbig Ae/Be stars HD 150193, HD 163296, and HD 169142 using the Gemini Planet Imager, ...
  • Aarnio, Alicia N.; Weinberger, Alycia J.; Stassun, Keivan G.; Mamajek, Eric E.; James, David J. (2008)
  • Kraus, Stefan; Kreplin, Alexander; Young, Alison K.; Bate, Matthew R.; Monnier, John D.; Harries, Tim J.; Avenhaus, Henning; Kluska, Jacques; Laws, Anna S. E.; Rich, Evan A.; Willson, Matthew; Aarnio, Alicia N.; Adams, Fred C.; Andrews, Sean M.; Anugu, Narsireddy; Bae, Jaehan; ten Brummelaar, Theo; Calvet, Nuria; Curé, Michel; Davies, Claire L.; Ennis, Jacob; Espaillat, Catherine; Gardner, Tyler; Hartmann, Lee; Hinkley, Sasha; Labdon, Aaron; Lanthermann, Cyprien; LeBouquin, Jean-Baptiste; Schaefer, Gail H.; Setterholm, Benjamin R.; Wilner, David; Zhu, Zhaohuan (2020)
    Young stars are surrounded by a circumstellar disk of gas and dust, within which planet formation can occur. Gravitational forces in multiple star systems can disrupt the disk. Theoretical models predict that if the disk ...

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