Machacek, Marie
Astrophysicist
Galaxy interactions and evolution; X-ray studies of hot gas in galaxies,clusters, and groups
Background And Education
Education And Training
- B.A., Coe College
- M.S., University of Michigan, Ann Arbor
- Ph.D., University of Iowa
Publications
Selected Publications
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Article
- Machacek, M. E., Jones, Christine, Kraft, Ralph P., Forman, William R., Roediger, E., Sheardown, A., and Wan, J. T. 2023. "A Chandra Study of the NGC 7618/UGC 12491 Major Group Merger at Apogee: Multiple Cold Fronts, Boxy Wings, Filaments, and Arc-shaped Slingshot Tails." The Astrophysical Journal, 958 93. https://doi.org/10.3847/1538-4357/ad00b2. 2023
- Su, Yuanyuan, Kraft, Ralph P., Nulsen, Paul E. J., Roediger, Elke, Forman, William R., Churazov, Eugene, Randall, Scott W., Jones, Christine, and Machacek, Marie E. 2017. "Capturing the 3D Motion of an Infalling Galaxy via Fluid Dynamics." The Astrophysical Journal, 835 19. https://doi.org/10.3847/1538-4357/835/1/19. 2017
- Su, Yuanyuan, Kraft, Ralph P., Roediger, Elke, Nulsen, Paul, Forman, William R., Churazov, Eugene, Randall, Scott W., Jones, Christine, and Machacek, Marie E. 2017. "Deep Chandra Observations of NGC 1404: Cluster Plasma Physics Revealed by an Infalling Early-type Galaxy." The Astrophysical Journal, 834 74. https://doi.org/10.3847/1538-4357/834/1/74. 2017
- Kraft, R. P., Roediger, E., Machacek, M., Forman, W. R., Nulsen, P. E. J., Jones, C., Churazov, E., Randall, S., Su, Y., and Sheardown, A. 2017. "Stripped Elliptical Galaxies as Probes of ICM Physics. III. Deep Chandra Observations of NGC 4552: Measuring the Viscosity of the Intracluster Medium." The Astrophysical Journal, 848 27. https://doi.org/10.3847/1538-4357/aa8a6e. 2017
- Wood, R. A., Jones, C., Machacek, M. E., Forman, W. R., Bogdan, A., Andrade-Santos, F., Kraft, R. P., Paggi, A., and Roediger, E. 2017. "The Infall of the Virgo Elliptical Galaxy M60 toward M87 and the Gaseous Structures Produced by Kelvin-Helmholtz Instabilities." The Astrophysical Journal, 847 79. https://doi.org/10.3847/1538-4357/aa8723. 2017
- Kreisch, C. D., Machacek, M. E., Jones, C., and Randall, Scott W. 2016. "Merger Hydrodynamics of the Luminous Cluster RX J1347.5-1145." The Astrophysical Journal, 830 39. https://doi.org/10.3847/0004-637X/830/1/39. 2016
- Roediger, E., Kraft, R. P., Nulsen, P. E. J., Forman, W. R., Machacek, M., Randall, Scott W., Jones, C., Churazov, E., and Kokotanekova, R. 2015. "Stripped Elliptical Galaxies as Probes of ICM Physics: I. Tails, Wakes, and Flow Patterns in and Around Stripped Ellipticals." The Astrophysical Journal, 806 103. https://doi.org/10.1088/0004-637X/806/1/103. 2015
- Roediger, E., Kraft, R. P., Nulsen, P. E. J., Forman, W. R., Machacek, M., Randall, Scott W., Jones, C., Churazov, E., and Kokotanekova, R. 2015. "Stripped Elliptical Galaxies as Probes of ICM Physics: II. Stirred, but Mixed? Viscous and Inviscid Gas Stripping of the Virgo Elliptical M89." The Astrophysical Journal, 806 104. https://doi.org/10.1088/0004-637X/806/1/104. 2015
- Roediger, E., Lovisari, L., Dupke, R., Ghizzardi, S., Brüggen, M., Kraft, R. P., and Machacek, M. E. 2012. "Gas sloshing, cold fronts, Kelvin-Helmholtz instabilities and the merger history of the cluster of galaxies Abell 496." Monthly Notices of the Royal Astronomical Society, 420 3632–3648. https://doi.org/10.1111/j.1365-2966.2011.20287.x. 2012
- Roediger, E., Kraft, R. P., Machacek, M. E., Forman, W. R., Nulsen, P. E. J., Jones, C., and Murray, Stephen S. 2012. "Irregular Sloshing Cold Fronts in the nearby Merging Groups NGC 7618 and UGC 12491: Evidence for Kelvin-Helmholtz Instabilities." The Astrophysical Journal, 754 147. https://doi.org/10.1088/0004-637X/754/2/147. 2012
- Machacek, Marie E., Jerius, Diab, Kraft, Ralph, Forman, William R., Jones, Christine, Randall, Scott W., Giacintucci, Simona, and Sun, Ming. 2011. "Deep Chandra Observations of Edges and Bubbles in the NGC 5846 Galaxy Group." The Astrophysical Journal, 743, (1). https://doi.org/10.1088/0004-637X/743/1/15. 2011
- Machacek, M. E., O'Sullivan, Ewan J., Randall, Scott W., Jones, C., and Forman, William R. 2010. "The Mysterious Merger of NGC 6868 and NGC 6861 in the Telescopium Group." The Astrophysical Journal, 711 1316–1332. 2010
- Machacek, M., Ashby, Matthew L. N., Jones, C., Forman, William R., and Bastian, Nate. 2009. "A Multiwavelength View of Star Formation in Interacting Galaxies in the Pavo Group." The Astrophysical Journal, 691 1921–1935. https://doi.org/10.1088/0004-637X/691/2/1921. 2009
- Randall, Scott W., Nulsen, Paul E. J., Forman, William R., Jones, C., Machacek, M., Murray, Stephen S., and Maughan, B. 2008. "Chandra's View of the Ram Pressure Stripped Galaxy M86." The Astrophysical Journal, 688 208–223. 2008
Contact
Location
- Smithsonian Astrophysical Observatory Academic Department