Selected Publications

Here are some of my work broadly categorized by research areas. For a full listing, please see ADS, arXiv, or my CV.

Feeding and Feedback in Merging and Active Galaxies

  • Armus, L., Lai, T., U, V. et al. 2022, "GOALS-JWST: Mid-Infrared Spectroscopy of the Nucleus of NGC 7469." submitted to ApJL, arXiv: 2209.13125
  • Lai, T., Armus, L., U, V. et al. 2022, "GOALS-JWST: Tracing AGN Feedback on the Star-Forming ISM in NGC 7469." ApJL, in review, arXiv: 2209.06741
  • U, V. et al. 2022, ``GOALS-JWST: Resolving the Circumnuclear Gas Dynamics in NGC 7469 in the Mid-Infrared.'' ApJL, accepted, arXiv: 2209.01210
  • U, V. 2022, ``The Role of AGN in Luminous Infrared Galaxies from a Multiwavelength Perspective.'' Universe, 8, 392 (Invited Review)
  • Liu, W. et al. 2020, "Integral-Field Spectroscopy of Fast Outflows in Dwarf Galaxies with AGN." ApJ, 905, 166
  • Treister, E. et al. 2020, ``The Molecular Gas in the NGC 6240 Merging Galaxy System at the Highest Spatial Resolution.'' ApJ, 890, 149
  • Fischer, T. et al. 2019, ``A Dissection of Spatially Resolved AGN Feedback Across the Electromagnetic Spectrum.'' ApJ, 887, 200
  • Medling, A. M. et al. 2019, ``How to Fuel an AGN: Mapping Circumnuclear Gas in NGC 6240 with ALMA.'' ApJL, 885, L21
  • Lopez-Rodriguez, E. et al. 2019. ``Tracing the Feeding and Feedback of Active Galaxies.'' Astro2020 Decadal Survey, BAAS, 51, 138
  • U, V. et al. 2019, "The GOALS-Keck OSIRIS AO LIRG Analysis (KOALA) Survey: Feedback in the Nuclei of Luminous Infrared Galaxies." ApJ, 871, 166
  • Medling, A.M., U, V. et al. 2015, "Shocked Gas in RAS F17207-0014: ISM Collisions and Outflows." MNRAS, 448, 2301
  • Wang, J. et al. 2014, ``Fast and Furious: Shock Heated Gas as the Origin of Spatially Resolved Hard X-ray Emission in the Central 5 kpc of the Galaxy Merger NGC 6240.'' ApJ, 785, 55
  • Medling, A.M., U, V. et al. 2014, "Stellar and Gaseous Nuclear Disks Observed in Nearby (U)LIRGs." ApJ, 784, 70
  • U, V. et al. 2013, "The Inner Kiloparsec of Mrk 273 with Keck Adaptive Optics." ApJ, 775, 115
    Press coverage: ``When do Black Holes Become Active? The Case of the Strangely-Shaped Galaxy Mrk 273.'' 2013, Universe Today
  • U, V. et al. 2011, ``High-Resolution Mapping of CO(3-2) in NGC 6240.'' ASPC, 446, 97

Dual and Binary Supermassive Black Holes

  • Koss, M., U, V. et al. 2019, ``Black Hole Growth in Mergers and Dual AGN.'' Astro2020 Decadal Survey, BAAS, 51, 504
  • Kelley, L. Z. et al. 2019, ``Multi-Messenger Astrophysics with Pulsar Timing Arrays.'' Astro2020 Decadal Survey, BAAS, 51, 490
  • Liu, W. et al. 2019, ``Elliptical Galaxy in the Making: The Dual Active Galactic Nuclei and Metal-enriched Halo of Mrk 273.'' ApJ, 872, 39
  • Iwasawa, K.; U, V. et al. 2018, ``Testing a Double AGN Hypothesis for Mrk 273.'' A&A, 611, 71
  • Treister, E. et al. 2018, ``Optical, Near-IR and Sub-mm IFU Observations of the Nearby Dual AGN Mrk 463.'' ApJ, 854, 83
  • Mazzarella, J. et al. 2012, ``Investigation of Dual Active Nuclei, Outflows, Shock-heated Gas, and Young Star Clusters in Markarian 266.'' AJ, 144, 125
  • Iwasawa, K. et al. 2011, ``The location of an active nucleus and the soft X-ray shadowing by a tidal tail in the ULIRG Mrk 273.'' A&A, 528, 137

Other KOALA / GOALS Publications

  • Bohn, T. et al. 2022, "GOALS-JWST: NIRCam and MIRI Imaging of the Circumnuclear Starburst Ring in NGC 7469." ApJL, in review, arXiv:2209.04466
  • Evans, A. et al. 2022, "GOALS-JWST: Hidden Star Formation and Extended PAH Emission in the Luminous Infrared Galaxy VV 114." ApJL, accepted, arXiv:2208.14507
  • Inami, H. et al. 2022, "GOALS-JWST: Unveiling the Heavily Dust Obscured Compact Sources in the Merging Galaxy IIZw096." ApJL, accepted, arXiv:2208.10647
  • Song, Y. et al. 2022, "Characterizing Compact 15-33 GHz Radio Continuum Sources in Local U/LIRGs." ApJ, accepted
  • Linden, S. et al. 2021, "Massive Star Cluster Formation and Destruction in Luminous Infrared Galaxies in GOALS II: An ACS/WFC3 Survey of Nearby LIRGs." ApJ, 923, 278
  • Ricci, C. et al. 2021, "A hard X-ray view of luminous and ultra-luminous infrared galaxies in GOALS - I. AGN obscuration along the merger sequence." MNRAS, 506, 5935
  • Song, Y. et al. 2021, "A Comparison between Nuclear Ring Star Formation in LIRGs and Normal Galaxies with the Very Large Array." ApJ, 916, 73
  • Kool, E. et al. 2020, ``AT 2017gbl: a dust obscured TDE candidate in a luminous infrared galaxy.'' MNRAS, 498, 2167
  • Larson, K. L. et al. 2020, ``Star-forming Clumps in Local Luminous Infrared Galaxies.'' ApJ, 888, 92
  • Herrero-Illana, R. et al. 2019, ``The Molecular Gas and Dust Properties of Galaxies from the Great Observatories All-sky LIRG Survey.'' A&A, 628, 71
  • Linden, S. T. et al. 2019, ``A Very Large Array Survey of Luminous Extranuclear Star-Forming Regions in Luminous Infrared Galaxies in GOALS.'' ApJ, 881, 70
  • Torres-Albà, N. et al. 2018, ``C-GOALS II. Chandra Observations of the Lower Luminosity Sample of Nearby Luminous Infrared Galaxies in GOALS.'' A&A, 620, 140
  • Larson, K. L. et al. 2016, ``Morphology and Molecular Gas Fractions of Local Luminous Infrared Galaxies as a Function of Infrared Luminosity and Merger Stage.'' ApJ, 825, 128
  • Davies, R.L. Medling, A.M., U, V. et al. 2016, "Reconstructing Merger Timelines Using Star Cluster Age Distributions: The Case of MCG+08−11−002", MNRAS, 458, 158
  • Stierwalt, S. et al. 2014b, ``Mid-infrared Properties of Luminous Infrared Galaxies. II. Probing the Dust and Gas Physics of the GOALS Sample.'' ApJ, 790, 124
  • Stierwalt, S. et al. 2014a, ``Mid-infrared Properties of Nearby Luminous Infrared Galaxies. I. Spitzer Infrared Spectrograph Spectra for the GOALS Sample.'' ApJS, 206, 1
  • U, V. et al. 2012, ``Spectral Energy Distribution of Local Luminous and Ultraluminous Infrared Galaxies.'' ApJS, 203, 9
  • Iwasawa, K. et al. 2011, ``C-GOALS: Chandra observations of a complete sample of luminous infrared galaxies from the IRAS Revised Bright Galaxy Survey.'' A&A, 529, 106
  • Petric, A. et al. 2011, ``Mid-Infrared Spectral Diagnostics of Luminous Infrared Galaxies.'' ApJ, 730, 28
  • Haan, S. et al. 2011, ``The Nuclear Structure in Nearby Luminous Infrared Galaxies: HST NICMOS Imaging of the GOALS Sample.'' AJ, 141, 100
  • Inami, H. et al. 2011, ``The Buried Starburst in the Interacting Galaxy II ZW 096 as Revealed by the Spitzer Space Telescope.'' AJ, 140, 63
  • Howell, J. et al. 2010, ``The Great Observatories All-Sky LIRG Survey: Comparison of Ultraviolet and Far-Infrared Properties.'' ApJ, 715, 572
  • Armus, L. et al. 2009, ``GOALS: The Great Observatories All-sky LIRG Survey.'' PASP, 121, 559

Black Hole Masses Throughout Cosmic Times

  • Villafaña, L. et al. 2022b, ``What does the virial coefficient of the Hβ broad line region depend on?'' ApJ, submitted
  • Montano, J. et al. 2022, ``Optical Continuum Reverberation in the Dwarf Seyfert Nucleus of NGC 4395.'' ApJL, 934, 37
  • Villafaña, L. et al. 2022a, ``The Lick AGN Monitoring Project 2016: Dynamical Modeling of Velocity-Resolved Hβ Lags in Luminous Seyfert Galaxies'' ApJ, 930, 52
  • Guo, H. et al. 2022, ``The Paschen Jump as a Diagnostic of the Diffuse Nebular Continuum Emission in Active Galactic Nuclei.'' ApJ, 927, 60
  • U, V. et al. 2022, ``The Lick AGN Monitoring Project 2016: Velocity-Resolved Hβ Lags in Luminous Seyfert Galaxies.'' ApJ, 925, 52
  • Cho, H. et al. 2021, ``Hα Reverberation Mapping of the Intermediate-Mass Active Galactic Nucleus in NGC 4395.'' ApJ, 921, 98
  • Gültekin, K. et al. 2019, ``Black Holes Across Cosmic Time.'' Astro2020 Decadal Survey, BAAS, 51, 287
  • Medling, A.M., U, V. et al. 2015, "Following Black Hole Scaling Relations Through Gas-Rich Mergers." ApJ, 803,61

Next-Generation Extremely Large Telescopes

  • Skidmore, W. et al. 2015, ``Thirty Meter Telescope Detailed Science Case: 2015.'' RAA, 15, 1945
  • TMT IRMS Science Team, 2014, "Thirty Meter Telescope Infra-Red Multi-object Spectrograph: Operational Concept Definition Document." IRMS OCDD

Star-forming Galaxies in the Early Universe and the Cosmic Distance Ladder

  • U, V. et al. 2015, ``A Correlation Between Lyα Spectral Line Profile and Rest-Frame UV Morphology.'' ApJ, 815, 57
  • Riess, A. G. et al. 2018, ``Type Ia Supernova Distances at z > 1.5 From the Hubble Space Telescope Multi-Cycle Treasury Programs: The Early Expansion Rate.'' ApJ, 853, 126
  • Rodney, S. et al. 2014, ``Type Ia Supernova Rate Measurements to Redshift 2.5 from CANDELS: Searching for Prompt Explosions in the Early Universe.'' AJ, 148, 13
  • Graur, O. et al. 2014, ``Type-Ia Supernova Rates to Redshift 2.4 from CLASH: the Cluster Lensing And Supernova survey with Hubble.'' ApJ, 783, 28
  • U, V. et al. 2009, ``Distance Determination to M33 with FGLR.'' ApJ, 704, 1120
  • MacArthur, L. A., Ellis, R. S., Treu, T., U, V. et al. 2008, ``The Evolutionary History of Galactic Bulges: Photometric and Spectroscopic Studies of Distant Spheroids in the GOODS Fields.'' ApJ, 680, 70
  • Conselice, C. J.; Bundy, K.; U, V. et al. 2008, ``The faint and extremely red K-band selected galaxy population in the DEEP2/Palomar fields.'' MNRAS, 383, 1366