Dr David Nicholls

Contacts

Contact email:David.Nicholls@anu.edu.au
Contact phone:(02) 6125 0243
Location:Duffield - Upper - D112
Link:ANU Researchers profile
BSc(Hons) (ANU); MSc (Saskatchewan); PhD (ANU); FAIP; MASA
Post-doctoral fellow
  • Cameron, A, Yuan, T, Trenti, M et al. 2021, 'Spatially resolved direct method metallicity in a high-redshift analogue local galaxy: Temperature structure impact on metallicity gradients', Monthly Notices of the Royal Astronomical Society, vol. 501, no. 3, pp. 3695-3714.
  • Florian, M, Rigby, J, Acharyya, A et al. 2021, 'Spatial Variation in Strong Line Ratios and Physical Conditions in Two Strongly Lensed Galaxies at z ∼ 1.4', The Astrophysical Journal, vol. 916, no. 50.
  • Nicholls, D, Kewley, L & Sutherland, R 2020, 'Estimating Electron Temperatures in Ionized Nebulae: The Direct Method and its Limitations', Publications of the Astronomical Society of the Pacific, vol. 132, no. 1009.
  • Kewley, L, Nicholls, D & Sutherland, R 2019, 'Understanding Galaxy Evolution through Emission Lines', Annual Review of Astronomy and Astrophysics, vol. 57, pp. 511-570.
  • Kewley, L, Nicholls, D, Sutherland, R et al. 2019, 'Theoretical ISM Pressure and Electron Density Diagnostics for Local and High-redshift Galaxies', The Astrophysical Journal, vol. 880, no. 1, pp. 1-24.
  • Nicholls, D, Sutherland, R, Dopita, M et al. 2017, 'Abundance scaling in stars, nebulae and galaxies', Monthly Notices of the Royal Astronomical Society, vol. 466, no. 4, pp. 4403-4422pp.
  • Nicholls, D, Dopita, M & Sutherland, R 2012, 'Resolving the electron temperature discrepancies in H II regions and planetary nebulae: κ-Distributed electrons', The Astrophysical Journal, vol. 752, no. 2.
  • Nicholls, D, Dopita, M, Sutherland, R et al 2013, 'Measuring nebular temperatures: The effect of new collision strengths with equilibrium and kappa-distributed electron energies', Astrophysical Journal Supplement Series, vol. 207, no. 21, pp. 20pp.
  • Nicholls, D, Dopita, M, Sutherland, R et al 2017, 'Electron Kappa Distributions in Astrophysical Nebulae', in George Livadiotis (ed.), Kappa Distributions: Theory and Applications in Plasmas, Elsevier, Netherlands, pp. 633-655.
  • Dopita, M, Nicholls, D, Sutherland, R et al 2016, 'The discovery of Raman scattering in H II regions', Astrophysical Journal Letters, vol. 824, no. 1, pp. 6pp.
  • Nicholls, D, Dopita, M, Sutherland, R et al. 2014, 'Metal-poor dwarf galaxies in the sigrid galaxy sample. I. H II region observations and chemical abundances', The Astrophysical Journal, vol. 786, no. 2, pp. 786/1-21.
  • Nicholls, D, Dopita, M, Sutherland, R et al. 2014, 'Metal-poor dwarf galaxies in the sigrid galaxy sample. II. the electron temperature-abundance calibration and the parameters that affect it', The Astrophysical Journal, vol. 790, no. 1, pp. 75/ 1-17.
  • Nicholls, D, Jerjen, H, Dopita, M et al. 2014, 'Nebular metallicities in two isolated local void dwarf galaxies', The Astrophysical Journal, vol. 780, no. 1.
  • Nicholls, DC, Dopita, M, Jerjen, H & Meurer, G 2011, 'The Small Isolated Gas-rich Irregular Dwarf (SIGRID) Galaxy Sample: Description and First Results**', Astronomical Journal, vol. 142, no. 3, pp. A83-14pp.
  • Dopita, M, Sutherland, R, Nicholls, D et al. 2013, 'New strong-line abundance diagnostics for H II regions: Effects of κ-distributed electron energies and new atomic data', Astrophysical Journal Supplement Series, vol. 208, no. 1, pp. 1-26.
  • Dopita, M, Seitenzahl, I, Sutherland, R et al. 2019, 'Calibrating Interstellar Abundances Using Supernova Remnant Radiative Shocks', The Astronomical Journal, vol. 157, no. 50, pp. 1-17.
  • Dopita, M, Kewley, L, Sutherland, R et al 2016, 'Chemical abundances in high-redshift galaxies: a powerful new emission line diagnostic', Astrophysics and Space Science, vol. 361, no. 2, pp. -.
  • Dopita, M, Sutherland, R, Nicholls, D et al 2018, 'pyqz: Emission line code'.
  • Dopita, M, Ali, A, Sutherland, R et al. 2017, 'IFU spectroscopy of southern planetary nebulae IV: A physical model for IC 418', Monthly Notices of the Royal Astronomical Society, vol. 470, no. 1, pp. 839-864.
  • Sweet, S, Drinkwater, M, Meurer, G et al. 2014, 'Choirs HI galaxy groups: The metallicity of dwarf galaxies', The Astrophysical Journal, vol. 782, no. 1, pp. 1-11.
  • Sweet, S, Drinkwater, M, Meurer, G et al 2014, 'Tidal dwarf galaxies and the luminosity-metallicity relation', Memorie Della Societa Astronomica Italiana, vol. 85, pp. 408-412.
  • D'Agostino, J, Kewley, L, Groves, B et al. 2019, 'Comparison of Theoretical Starburst Photoionization Models for Optical Diagnostics', The Astrophysical Journal, vol. 878, no. 2, pp. 1-24.
  • Acharyya, A, Kewley, L, Rigby, J et al. 2019, 'Rest-frame UV and optical emission line diagnostics of ionized gas properties: a test case in a star-forming knot of a lensed galaxy at z similar to 1.7', Monthly Notices of the Royal Astronomical Society, vol. 488, no. 4, pp. 5862-5886.
  • Sweet, S, Drinkwater, M, Meurer, G et al. 2014, 'Erratum: "Choirs Hi Galaxy Groups: The Metallicity of Dwarf Galaxies"', The Astrophysical Journal, vol. 786, no. 1, p. 22.
  • Lopez-Sanchez, A, Dopita, M, Kewley, L et al. 2012, 'Eliminating error in the chemical abundance scale for extragalactic H ii regions', Monthly Notices of the Royal Astronomical Society, vol. 426, no. 4, pp. 2630-2651.
  • Teodoro, M, Damineli, A, Arias, J et al. 2012, 'He II λ4686 in η Carinae: Collapse of the wind-wind collision region during periastron passage', The Astrophysical Journal, vol. 746, no. 1, p. 73.
  • Binette, L, Matadamas, R, Hagele, G et al. 2012, 'Discrepancies between the [OIII] and [SIII] temperatures in HII regions', Astronomy and Astrophysics, vol. 547, pp. 1-15.
  • Lopez-Sanchez, A, Dopita, M, Kewley, L et al. 2012, 'Eliminating error in the chemical abundance scale for extragalactic H ii regions', Monthly Notices of the Royal Astronomical Society, vol. 426, no. 4, pp. 2630-2651.
  • Nicholls, DC, Dopita, M & Jerjen, H 2011, 'Metal Abundances in Small Isolated Gas Rich Dwarf Galaxies', A Universe of Dwarf Galaxies, ed. M. Koleva, Ph. Prugniel and I. Vauglin, European Astronomical Society Publication Series, unknown, pp. 153-154.