Romanowsky, Aaron J.

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Publications & Presentations

all refereed and published papers

all publications

Recent highlights:

• A.J. Romanowsky, et al., "Low-density star cluster formation: discovery of a young faint fuzzy on the outskirts of the low-mass spiral galaxy NGC 247". Mon. Not. R. Astron. Soc. submitted
• A. Villaume, A.J. Romanowsky, et al., "Spatially resolved stellar spectroscopy of the ultra-diffuse galaxy Dragonfly 44. III. Evidence for an unexpected star-formation history". Astrophys. J. submitted.
• S.S. Larsen, A.J. Romanowsky, J.P. Brodie, "Hubble Space Telescope imaging of the extremely metal-poor globular cluster EXT8 in Messier 31". Astron. Astrophys. Vol. 651. (July 2021). id.102.
• S.S. Larsen, A.J. Romanowsky, et al., "An extremely metal-deficient globular cluster in the Andromeda Galaxy". Science. Vol. 370. Number 6519. (November 2020). pp.970.
• A.B. Alabi, A.J. Romanowsky, et al., "An expanded catalogue of low surface brightness galaxies in the Coma cluster using Subaru/Suprime-Cam". Mon. Not. R. Astron. Soc. Vol. 496. Number 3. (August 2020). pp.3182.
• A. Wasserman, P. van Dokkum, A.J. Romanowsky, et al., "Spatially-resolved stellar kinematics of the ultra-diffuse galaxy Dragonfly 44. II. Constraints on fuzzy dark matter". Astrophys. J. Vol. 885. Number 2. (November 2019). id.155.
• A. Villaume, A.J. Romanowsky, et al., "New constraints on early-type galaxy assembly from spectroscopic metallicities of globular Clusters in M87". Astrophys. J. Vol. 879. Number 1. (July 2019). id.45.
• I. Martín-Navarro, A.J. Romanowsky, et al., "Extreme chemical abundance ratio suggesting an exotic origin for an ultra-diffuse galaxy". Mon. Not. R. Astron. Soc. Vol. 484. Number 3. (April 2019). pp.3425.
• S.M. Fall, A.J. Romanowsky, "Angular momentum and galaxy formation revisited: scaling relations for disks and bulges". Astrophys. J. Article. Vol. 868. Number 2. (December 2018). pp.133.
• A. Wasserman, A.J. Romanowsky, et al., "The SLUGGS Survey: the inner dark matter density slope of the massive elliptical galaxy NGC 1407". Astrophys. J. Article. Vol. 863. Number 2. (August 2018). pp.130.
• A. Wasserman, A.J. Romanowsky, et al., "A deficit of dark matter from Jeans modeling of the ultra-diffuse galaxy NGC 1052-DF2". Astrophys. J. Lett. Article. Vol. 863. Number 2. (August 2018), pp.L15.
• V. Pandya, A.J. Romanowsky, et al., "The stellar populations of two ultra-diffuse galaxies from optical and near-infrared spectroscopy". Astrophys. J. Article. Vol. 858. Number 1. (May 2018), pp.29.
• L. Zhu, A.J. Romanowsky, et al., "A discrete chemo-dynamical model of the giant elliptical galaxy NGC 5846: dark matter fraction, internal rotation, and velocity anisotropy out to six effective radii". Mon. Not. R. Astron. Soc. Article. Vol. 462. Issue 4. (November 2016). pp.4001.
• A.J. Romanowsky, D. Martínez-Delgado, et al., "Satellite accretion in action: a tidally disrupting dwarf spheroidal around the nearby spiral galaxy NGC 253". Mon. Not. Lett. R. Astron. Soc. Article. Vol. 457. Issue 1. (March 2016). pp.L103.
• M.A. Beasley, A.J. Romanowsky, et al., "An overmassive dark halo around an ultra-diffuse galaxy in the Virgo cluster". Astrophys. J. Lett. Article, Vol. 819. Issue 2. (March 2016). pp.L20.
• N. Caldwell, A.J. Romanowsky, "Star clusters in M31: VII. Global kinematics and metallicity subpopulations of the globular clusters". Astrophys. J. Article. Vol. 824. Issue 1. (June 2016). id.42.
• D.A. Forbes, A.J. Romanowsky, et al., "The SLUGGS survey: the assembly histories of early-type galaxies". Mon. Not. R. Astron. Soc. Article. Vol. 457. Issue 2. (April 2016). pp.1242.
• Z.G. Jennings, A.J. Romanowsky, et al., "NGC 3628-UCD1: a possible ω Cen analog embedded in a stellar stream". Astrophys. J. Lett. Article, Vol. 812. Issue 1. (October 2015). pp.L10.
• M.A. Sandoval, R.P. Vo, A.J. Romanowsky, et al. "Hiding in plain sight: record-breaking compact stellar systems in the Sloan Digital Sky Survey". Astrophys. J. Lett. Article. Vol. 808. Issue 1. (July 2015). pp.L32.
• V. Pota, A.J. Romanowsky, et al. "The SLUGGS survey: multipopulation dynamical modelling of the elliptical galaxy NGC 1407 from stars and globular clusters". Mon. Not. R. Astron. Soc. Article. Vol. 450. Issue 3. (July 2015). pp.3345.
• P.G. van Dokkum, A.J. Romanowsky, et al. "Spectroscopic confirmation of the existence of large, diffuse galaxies in the Coma cluster". Astrophys. J. Lett. Article. Vol. 804. Issue 1. (May 2015). pp.L26.
• M. Cappellari, A.J. Romanowsky, et al. "Small scatter and nearly-isothermal mass profiles to four half-light radii from two-dimensional stellar dynamics of early-type galaxies". Astrophys. J. Lett. Article. Vol. 804. Issue 1. (May 2015). pp.L21.
• J.P. Brodie, A.J. Romanowsky, et al. "The SAGES Legacy Unifying Globulars and GalaxieS survey (SLUGGS): sample definition, methods, and initial results". Astrophys. J. Article. Vol. 796. Issue 1. (November 2014). pp.52.
• C.E. Moody, A.J. Romanowsky, et al. "Simulating multiple merger pathways to the central kinematics of early-type galaxies". Mon. Not. R. Astron. Soc. Article. Vol. 444. Issue 2. (October 2014). pp.1475.
• J.A. Arnold, A.J. Romanowsky, et al. "The SLUGGS survey: wide-field stellar kinematics of early-type galaxies". Astrophys. J. Article. Vol. 791. Issue 2. (August 2014). pp.80.
• C. Foster, H. Lux, A.J. Romanowsky, et al. "Kinematics and simulations of the stellar stream in the halo of the Umbrella galaxy". Mon. Not. R. Astron. Soc. Article. Vol. 442. Issue 4. (August 2014). pp.3544.
• C. Tortora, A.J. Romanowsky, N.R. Napolitano. "An inventory of the stellar initial mass function in early-type galaxies". Astrophys. J. Article. Vol. 765. Issue 1. (March 2013). pp.8.

Other first-author papers:

• A.J. Romanowsky, S.M. Fall. "Angular momentum and galaxy formation revisited". Astrophys. J. Suppl. S. Article. Vol. 203. Issue 2. (December 2012). pp.17.
• A.J. Romanowsky, J. Strader, J.P. Brodie, J.C. Mihos, L.R. Spitler, D.A. Forbes, C. Foster, J.A. Arnold. "The ongoing assembly of a central cluster galaxy: phase-space substructures in the halo of M87". Astrophys. J. Article. Vol. 748. Issue 1. (March 2012). pp.29.
• A.J. Romanowsky, J. Strader, L.R. Spitler, R. Johnson, J.P. Brodie, D.A. Forbes, T. Ponman. "Mapping the dark side with DEIMOS: globular clusters, X-ray gas, and dark matter in the NGC 1407 group". Astron. J. Article. Vol. 137. (June 2009). pp.4956-4987.
• A. J. Romanowsky, N. G. Douglas, M. Arnaboldi, K. Kuijken, M. R. Merrifield, N. R. Napolitano, M. Capaccioli, & K. C. Freeman. "A dearth of dark matter in ordinary elliptical galaxies". Science. Report. Vol. 301. Issue 5640. (September 2003). pp.1696-1698.
• A.J. Romanowsky, C.S. Kochanek. "Dynamics of stars and globular clusters in M87". Astrophys. J. Article. Vol. 553. Issue 2. (June 2001). pp.722.
• A.J. Romanowsky, C.S. Kochanek. "Constraints on H₀ from the central velocity dispersions of lens galaxies". Astrophys. J. Article. Vol. 516. Issue 1. (May 1999). pp.18.
• A.J. Romanowsky, C.S. Kochanek. "Twisting of X-ray isophotes in triaxial galaxies". Astrophys. J. Article. Vol. 493. Issue 2. (February 1998). pp.641.
• A.J. Romanowsky, C.S. Kochanek. "Structural and dynamical uncertainties in modelling axisymmetric elliptical galaxies". Mon. Not. R. Astron. Soc. Article. Vol. 287. Issue 1. (May 1997). pp.35.