Research Interests

A partial list of my research interests, including some recent papers:

• Supermassive black holes (SMBHs) in galaxy centers
  • Rusli, Erwin, et al. (2013): "Depleted Galaxy Cores and Dynamical Black Hole Masses" (arXiv:1310.5310)
• The central stellar structure of disk galaxies, including bulges, pseudobulges, nuclear disks, nuclear star clusters
  • Erwin et al. (2015): "Composite Bulges: The Coexistence of Classical Bulges and Disky Pseudobulges in S0 and Spiral Galaxies" (arXiv:1411.2599)
  • Cole, Debattista, Erwin, et al. (2014): "The formation of stellar nuclear discs in bar-induced gas inflows" (arXiv:1410.4339)
  • Erwin & Gadotti (2012): "Do Nuclear Star Clusters and Supermassive Black Holes Follow the Same Host-Galaxy Correlations?" (arXiv:1112.2740)
• Bars and double bars in disk galaxies
  • Erwin & Debattista (2016): "Caught in the Act: Direct Detection of Galactic Bars in the Buckling Phase" (arXiv:1607.01290)

    This work was featured in New Scientist and AAS Nova

  • Erwin & Debattista (2013): "Peanuts at an Angle: Detecting and Measuring the Three-Dimensional Structure of Bars in Moderately Inclined Galaxies" (arXiv:1301.0638)
• Outer disk structure and evolution
  • Erwin, Gutiérrez, & Beckman (2012): "A Strong Dichotomy in S0 Disk Profiles Between the Virgo Cluster and the Field" (arXiv:1111.5027)
  • Gutiérrez, Erwin, et al. (2011): "The Outer Disks of Early-Type Galaxies. II. Surface-Brightness Profiles of Unbarred Galaxies and Trends with Hubble Type" (arXiv:1108.3662)
• The role of environment galaxy evolution and morphology, and especially in promoting and shutting down star formation in galaxies
  • The H-alpha Galaxy Groups Imaging Survey
  • Wilman & Erwin (2012): "The Relation between Galaxy Morphology and Environment in the Local Universe: An RC3-SDSS Picture" (arXiv:1112.3990)
• Modeling galaxy images: Imfit
  • Erwin (2015): "IMFIT: A Fast, Flexible New Program for Astronomical Image Fitting" (arXiv:1408.1097)

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Curriculum Vitae (PDF file)