DL
Douglas C. Leonard
astro-phastro-ph.SRastro-ph.HEastro-ph.COastro-ph.GAastro-ph.IMhep-phnucl-th
On Valency
published · living versionsW_dztfkn8f·v1 · currentpublished
Calcium-rich gap transients in the remote outskirts of galaxies
with Mansi M. Kasliwal, S. R. Kulkarni, Avishay Gal-Yam, Peter E. Nugent +23
1 version
Preprints & journals
85 papers in the corpus · 1998–2025SN 2025ogs: A Spectroscopically-Normal Type Ia Supernova at z = 2 as a Benchmark for Redshift Evolution2512.19783v2 · M. R. Siebert, J. D. R. Pierel, M. Engesser et al.2025 · 1 citationarXiv
Spectropolarimetric Evolution Reveals Dual-Axis Ejecta in the Atypical Magnetar-Powered SN 2012au2511.10700v1 · Sabrina DeSoto, JenniferL.Hoffman, G. Grant Williams et al.2025 · 2 citationsarXiv
Spectropolarimetry of SN 2023ixf reveals both circumstellar material and helium core to be aspherical2410.08199v2 · Manisha Shrestha, Sabrina DeSoto, David J. Sand et al.2024 · 1 citationarXiv
Spectropolarimetric modeling of interacting Type II supernovae. Application to early-time observations of SN1998S2409.13562v1 · Luc Dessart, Douglas C. Leonard, Sergiy S. Vasylyev et al.2024 · 5 citationsA&A 696, L12 (2025)
The evolution of continuum polarization in Type II supernovae as a diagnostic of ejecta morphology2401.07330v1 · Luc Dessart, D. John Hillier, Douglas C. Leonard2024 · 7 citationsarXiv
Record-breaking polarization from the interacting superluminous supernova 2017hcc2304.12368v1 · Jon C. Mauerhan, Nathan Smith, G. Grant Williams et al.2023 · 5 citationsarXiv
Multi-Epoch Spectropolarimetry for a Sample of Type IIn Supernovae: Persistent Asymmetry in Dusty Circumstellar Material2304.13034v1 · Christopher Bilinski, Nathan Smith, G. Grant Williams et al.2023 · 19 citationsarXiv
What Does the Virial Coefficient of the \Hb Broad-Line Region Depend On?2304.06764v1 · Lizvette Villafana, Peter R. Williams, Tommaso Treu et al.2023 · 13 citationsarXiv
The Lick AGN Monitoring Project 2016: Dynamical Modeling of Velocity-Resolved H\b{eta} Lags in Luminous Seyfert Galaxies2203.15000v1 · Lizvette Villafana, Peter R. Williams, Tommaso Treu et al.2022 · 36 citationsarXiv
The Lick AGN Monitoring Project 2016: Velocity-Resolved H{\beta} Lags in Luminous Seyfert Galaxies2111.14849v1 · Vivian U, Aaron J. Barth, H. Alexander Vogler et al.2021 · 62 citationsarXiv
A High-Velocity Scatterer Revealed in the Thinning Ejecta of a Type II Supernova2110.10875v1 · Douglas C. Leonard, Luc Dessart, D. John Hillier et al.2021 · 8 citationsarXiv
H Reverberation Mapping of the Intermediate-Mass Active Galactic Nucleus in NGC 43952108.07756v1 · Hojin Cho, Jong-Hak Woo, Tommaso Treu et al.2021 · 20 citationsarXiv
Polarization signatures of a high-velocity scatterer in nebular-phase spectra of Type II supernovae2105.01162v1 · Luc Dessart, D. John Hillier, Douglas C. Leonard2021 · 7 citationsA&A 651, A10 (2021)
Infrared Spectropolarimetric Detection of Intrinsic Polarization from a Core-Collapse Supernova2102.02075v1 · Samaporn Tinyanont, Maxwell Millar-Blanchaer, Mansi Kasliwal et al.2021 · 19 citationsarXiv
Multiepoch VLT-FORS spectro-polarimetric observations of supernova 2012aw reveal an asymmetric explosion2101.00639v2 · Luc Dessart, Douglas C. Leonard, D. John Hillier et al.2021 · 19 citationsA&A 651, A19 (2021)
SN 2014ab: An Aspherical Type IIn Supernova with Low Polarization2007.12134v1 · Christopher Bilinski, Nathan Smith, G. Grant Williams et al.2020 · 11 citationsarXiv
Spectral signatures of H-rich material stripped from a non-degenerate companion by a Type Ia supernova2004.03986v2 · Luc Dessart, Douglas C. Leonard, Jose L. Prieto2020 · 26 citationsA&A 638, A80 (2020)
Supernova 2017eaw: molecule and dust formation from infrared observations1901.01940v1 · Samaporn Tinyanont, Mansi M Kasliwal, Kelsie Krafton et al.2019 · 40 citationsarXiv
The Berkeley Sample of Stripped-Envelope Supernovae1810.03650v2 · Isaac Shivvers, Alexei V. Filippenko, Jeffrey M. Silverman et al.2018 · 93 citationsarXiv
SN2012ab: A Peculiar Type IIn Supernova with Aspherical Circumstellar Material1712.03370v1 · Christopher Bilinski, Nathan Smith, G. Grant Williams et al.2017 · 33 citationsarXiv
Space Telescope and Optical Reverberation Mapping Project. VII. Understanding the UV anomaly in NGC 5548 with X-Ray Spectroscopy1704.06345v2 · S. Mathur, A. Gupta, K. Page et al.2017 · 38 citationsarXiv
Swift monitoring of NGC 4151: Evidence for a Second X-ray/UV Reprocessing1703.06901v2 · R. Edelson, J. Gelbord, E. Cackett et al.2017 · 149 citationsarXiv
Space Telescope and Optical Reverberation Mapping Project. IV. Anomalous behavior of the broad ultraviolet emission lines in NGC 55481603.08741v1 · M.R. Goad, K.T. Korista, G. De Rosa et al.2016 · 87 citationsarXiv
Long-rising Type II supernovae from PTF and CCCP1601.07368v1 · F. Taddia, J. Sollerman, C. Fremling et al.2016 · 25 citationsA&A 588, A5 (2016)
Type II supernova energetics and comparison of light curves to shock-cooling models1512.00733v1 · Adam Rubin, Avishay Gal-Yam, Annalisa De Cia et al.2015 · 93 citationsarXiv
Space Telescope and Optical Reverberation Mapping Project. III. Optical Continuum Emission and Broad-Band Time Delays in NGC 55481510.05648v2 · M. M. Fausnaugh, K. D. Denney, A. J. Barth et al.2015 · 312 citationsarXiv
Spectropolarimetry of SN 2011dh in M51: geometric insights on a Type IIb supernova progenitor and explosion1506.08844v2 · Jon C. Mauerhan, G. Grant Williams, Douglas C. Leonard et al.2015 · 29 citationsarXiv
PTF11iqb: Cool supergiant mass loss that bridges the gap between Type IIn and normal supernovae1501.02820v1 · Nathan Smith, Jon C. Mauerhan, S. Bradley Cenko et al.2015 · 162 citationsarXiv
A Sample of Type II-L Supernovae1409.1536v1 · T. Faran, D. Poznanski, A. V. Filippenko et al.2014 · 151 citationsarXiv
Early Emission from the Type IIn Supernova 1998S at High Resolution1408.1404v3 · Isaac Shivvers, Jose H. Groh, Jon C. Mauerhan et al.2014 · 102 citations2015 ApJ, 806, 213
Photometric and Spectroscopic Properties of Type II-P Supernovae1404.0378v2 · Tamar Faran, Dovi Poznanski, Alexei V. Filippenko et al.2014 · 173 citationsMNRAS 442 844F (2014)
Multi-epoch spectropolarimetry of SN 2009ip: direct evidence for aspherical circumstellar material1403.4240v3 · Jon C. Mauerhan, G. Grant Williams, Nathan Smith et al.2014 · 96 citations2014, MNRAS, 442, 1166
On the Source of the Dust Extinction in Type Ia Supernovae and the Discovery of Anomalously Strong Na I Absorption1311.0147v1 · M. M. Phillips, Joshua D. Simon, Nidia Morrell et al.2013 · 275 citationsarXiv
Hubble Space Telescope and Ground-Based Observations of the Type Iax Supernovae SN 2005hk and SN 2008A1309.4457v2 · Curtis McCully, Saurabh W. Jha, Ryan J. Foley et al.2013 · 69 citationsMcCully et al. 2014, ApJ, 786, 134
Discovery and Early Multi-Wavelength Measurements of the Energetic Type Ic Supernova PTF12gzk: A Massive-Star Explosion in a Dwarf Host Galaxy1208.5900v3 · Sagi Ben-Ami, Avishay Gal-Yam, Alexei V. Filippenko et al.2012 · 58 citationsarXiv
Caltech Core-Collapse Project (CCCP) Observations of Type II Supernovae: Evidence for Three Distinct Photometric Subtypes1206.2029v2 · Iair Arcavi, Avishay Gal-Yam, S. Bradley Cenko et al.2012 · 156 citationsarXiv
Berkeley Supernova Ia Program I: Observations, Data Reduction, and Spectroscopic Sample of 582 Low-Redshift Type Ia Supernovae1202.2128v3 · Jeffrey M. Silverman, Ryan J. Foley, Alexei V. Filippenko et al.2012 · 347 citationsarXiv
Calcium-rich gap transients in the remote outskirts of galaxies1111.6109v1 · Mansi M. Kasliwal, S. R. Kulkarni, Avishay Gal-Yam et al.2011 · 221 citationsarXivon Valency
Evidence for Type Ia Supernova Diversity from Ultraviolet Observations with the Hubble Space Telescope1110.5809v3 · Xiaofeng Wang, Lifan Wang, Alexei V. Filippenko et al.2011 · 63 citationsAstrophys.J.749:126-142,2012
A Spectropolarimetric Comparison of the Type II-Plateau Supernovae SN 2008bk and SN 2004dj1109.5406v1 · Douglas C. Leonard, Luc Dessart (Marseille), D. John Hillier (U. Pittsburgh) et al.2011 · 8 citationsarXiv
Circumstellar material in type Ia supernovae via sodium absorption features.21836010 · Sternberg, A, Gal-Yam, A, Simon, J D et al.2011 · 239 citationsScience (New York, N.Y.). 2011;333(6044):856-9
The old environment of the faint calcium-rich supernova SN 2005cz1012.0570v2 · Hagai B. Perets, Avishay Gal-yam, R. Mark Crockett et al.2010 · 44 citationsarXiv
The First Systematic Study of Type Ibc Supernova Multi-band Light Curves1011.4959v2 · Maria R. Drout, Alicia M. Soderberg, A. Gal-Yam et al.2010 · 428 citationsarXiv
Caltech Core-Collapse Project (CCCP) observations of type IIn supernovae: typical properties and implications for their progenitor stars1010.2689v1 · Michael Kiewe, Avishay Gal-Yam, Iair Arcavi et al.2010 · 298 citationsApJ, 744, 10 (2011)
A faint type of supernova from a white dwarf with a helium-rich companion.20485429 · Perets, H B, Gal-Yam, A, Mazzali, P A et al.2010 · 346 citationsNature. 2010;465(7296):322-5
An unusually fast-evolving supernova.19892941 · Poznanski, Dovi, Chornock, Ryan, Nugent, Peter E et al.2010 · 131 citationsScience (New York, N.Y.). 2010;327(5961):58-60
Seeking Core-Collapse Supernova Progenitors in Pre-Explosion Images0908.1812v1 · Douglas C. Leonard2009 · 2 citationsarXiv
Research Science and Education: The NSF's Astronomy and Astrophysics Postdoctoral Fellowship0903.4509v1 · Dara Norman (NOAO), Marcel Agueros, Timothy M. Brown (LCOGT) et al.2009 · 0 citationsarXiv
A massive hypergiant star as the progenitor of the supernova SN 2005gl.19305392 · Gal-Yam, A, Leonard, D C2009 · 328 citationsNature. 2009;458(7240):865-7
O/IR Polarimetry for the 2010 Decade (SSE): Science at the Edge, Sharp Tools for All0902.4222v1 · Jennifer L. Hoffman, Dean C. Hines, Andy Adamson et al.2009 · 0 citationsarXiv
Career total: 138 works. 85 are in this corpus.Showing the 50 most recent.
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