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Results 1 - 22 of 22

The evolution of continuum polarization in Type II supernovae as a diagnostic of ejecta morphology. (arXiv:2401.07330v1 [astro-ph.SR])
- Virtual Journal - Volume 22, Issue 3 - article #20
- Luc Dessart, D. John Hillier, Douglas C. Leonard
- http://arxiv.org/abs/2401.07330
Record-breaking polarization from the interacting superluminous supernova 2017hcc. (arXiv:2304.12368v1 [astro-ph.SR])
- Virtual Journal - Volume 21, Issue 17 - article #5
- Jon C. Mauerhan, Nathan Smith, G. Grant Williams, Paul S. Smith, Alexei V. Filippenko, Christopher Bilinski, WeiKang Zheng, Thomas G. Brink, Jennifer L. Hoffman, Douglas C. Leonard, Peter Milne, Benjamin Jeffers, Shaunak Modak, Samantha Stegman, Keto D. Zhang
- http://arxiv.org/abs/2304.12368
Spectral signatures of H-rich material stripped from a non-degenerate companion by a Type Ia supernova. (arXiv:2004.03986v2 [astro-ph.SR] UPDATED)
- Virtual Journal - Volume 18, Issue 17 - article #12
- Luc Dessart (IAP, Paris), Douglas C. Leonard (San Diego State University), Jose L. Prieto (Universidad Diego Portales, Chile)
- http://arxiv.org/abs/2004.03986
The Type II-plateau Supernova 2017eaw in NGC 6946 and Its Red Supergiant Progenitor
- Virtual Journal - Volume 17, Issue 17 - article #32
- Schuyler D. Van Dyk, WeiKang Zheng, Justyn R. Maund, Thomas G. Brink, Sundar Srinivasan, Jennifer E. Andrews, Nathan Smith, Douglas C. Leonard, Viktoriya Morozova, Alexei V. Filippenko, Brody Conner, Dan Milisavljevic, Thomas de Jaeger, Knox S. Long, Howard Isaacson, Ian J. M. Crossfield, Molly R. Kosiarek, Andrew W. Howard, Ori D. Fox, Patrick L. Kelly, Anthony L. Piro, Stuart P. Littlefair, Vik S. Dhillon, Richard Wilson, Timothy Butterley, Sameen Yunus, Sanyum Channa, Benjamin T. Jeffers, Edward Falcon, Timothy W. Ross, Julia C. Hestenes, Samantha M. Stegman, Keto Zhang,, Sahana Kumar
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/875/2/136
Berkeley Supernova Ia Program – I. Observations, data reduction and spectroscopic sample of 582 low-redshift Type Ia supernovae
- Virtual Journal - Volume 10, Issue 35 - article #21
- Jeffrey M. Silverman, Ryan J. Foley, Alexei V. Filippenko, Mohan Ganeshalingam, Aaron J. Barth, Ryan Chornock, Christopher V. Griffith, Jason J. Kong, Nicholas Lee, Douglas C. Leonard, Thomas Matheson, Emily G. Miller, Thea N. Steele, Brian J. Barris, Joshua S. Bloom, Bethany E. Cobb, Alison L. Coil, Louis-Benoit Desroches, Elinor L. Gates, Luis C. Ho, Saurabh W. Jha, Michael T. Kandrashoff, Weidong Li, Kaisey S. Mandel, Maryam Modjaz, Matthew R. Moore, Robin E. Mostardi, Marina S. Papenkova, Sung Park, Daniel A. Perley, Dovi Poznanski, Cassie A. Reuter, James Scala, Franklin J. D. Serduke, Joseph C. Shields, Brandon J. Swift, John L. Tonry, Schuyler D. Van Dyk, Xiaofeng Wang and Diane S. Wong
- Monthly Notices of the Royal Astronomical Society - Volume: 425, Issue: 3
- Abstract Full Article (HTML)PDF(3222K)References Supporting Information Request Permissions
Caltech Core-Collapse Project (CCCP) Observations of Type II Supernovae: Evidence for Three Distinct Photometric Subtypes
- Virtual Journal - Volume 10, Issue 35 - article #41
- Iair Arcavi, Avishay Gal-Yam, S. Bradley Cenko, Derek B. Fox, Douglas C. Leonard, Dae-Sik Moon, David J. Sand, Alicia M. Soderberg, Michael Kiewe, Ofer Yaron, Adam B. Becker, Raphael Scheps, Gali Birenbaum, Daniel Chamudot, and Jonathan Zhou
- The Astrophysical Journal Letters - Volume: 756, Issue: 2
- Abstract References Full text PDF (347 KB) View as HTML
Calcium-rich Gap Transients in the Remote Outskirts of Galaxies
- Virtual Journal - Volume 10, Issue 33 - article #33
- Mansi M. Kasliwal, S. R. Kulkarni, Avishay Gal-Yam, Peter E. Nugent, Mark Sullivan, Lars Bildsten, Ofer Yaron, Hagai B. Perets, Iair Arcavi, Sagi Ben-Ami, Varun B. Bhalerao, Joshua S. Bloom, S. Bradley Cenko, Alexei V. Filippenko, Dale A. Frail, Mohan Ganeshalingam, Assaf Horesh, D. Andrew Howell, Nicholas M. Law, Douglas C. Leonard, Weidong Li, Eran O. Ofek, David Polishook, Dovi Poznanski, Robert M. Quimby, Jeffrey M. Silverman, Assaf Sternberg, and Dong Xu
- The Astrophysical Journal - Volume: 755, Issue: 2
- Abstract References Full text PDF (2.53 MB) View as HTML
Evidence for Type Ia Supernova Diversity from Ultraviolet Observations with the Hubble Space Telescope
- Virtual Journal - Volume 9, Issue 43 - article #8
- Xiaofeng Wang, Lifan Wang, Alexei V. Filippenko, Greg Aldering, Pierre Antilogus, David Arnett, Dietrich Baade, Eddie Baron, Brian J. Barris, Stefano Benetti, Patrice Bouchet, Adam S. Burrows, Ramon Canal, Enrico Cappellaro, Raymond Carlberg, Elisa di Carlo, Peter Challis, Arlin Crotts, John I. Danziger, Massimo Della Valle, Dennis Jack, Michael Fink, Ryan J. Foley, Claes Fransson, Avishay Gal-Yam, Peter Garnavich, Chris L. Gerardy, Gerson Goldhaber, Mario Hamuy, Wolfgang Hillebrandt, Peter A. Hoeflich, Stephen T. Holland, Daniel E. Holz, John P. Hughes, David J. Jeffery, Saurabh W. Jha, Dan Kasen, Alexei M. Khokhlov, Robert P. Kirshner, Robert Knop, Cecilia Kozma, Kevin Krisciunas, Markus Kromer, Brian C. Lee, Bruno Leibundgut, Eric J. Lentz, Douglas C. Leonard, Walter H. G. Lewin, Weidong Li, et al. (48 additional authors not shown)
- arXiv.org - Astrophysics - Volume: 2011, Issue: 28 Oct
- arXiv:1110.5809 [pdf, ps, other]
On the Progenitors of Core-Collapse Supernovae
- Virtual Journal - Volume 8, Issue 45 - article #13
- Douglas C. Leonard (San Diego State University)
- arXiv.org - Astrophysics - Volume: 2010, Issue: 5 Nov
- arXiv:1011.0203 [pdf, ps, other]
An Unusually Fast-Evolving Supernova
- Virtual Journal - Volume 8, Issue 2 - article #26
- Dovi Poznanski, Ryan Chornock, Peter E. Nugent, Joshua S. Bloom, Alexei V. Filippenko, Mohan Ganeshalingam, Douglas C. Leonard, Weidong Li, and Rollin C. Thomas<br /&gt,
- Science - Volume: 327, Issue: 5961
- Published online 5 November 2009 [DOI: 10.1126/science.1181709] (in Science Express Reports)
  The distinctive properties of this supernova suggest that it is of a kind predicted by theory but not previously observed. Abstract »| Full Text »| PDF »| Supporting Online Material »| Podcast Interview »|
Seeking Core-Collapse Supernova Progenitors in Pre-Explosion Images
- Virtual Journal - Volume 7, Issue 33 - article #4
- Douglas C. Leonard (San Diego State University)
- arXiv.org - Astrophysics - Volume: 2009, Issue: 14 Aug
- arXiv:0908.1812 [ps, pdf, other]
Research Science and Education: The NSF's Astronomy and Astrophysics Postdoctoral Fellowship
- Virtual Journal - Volume 7, Issue 13 - article #12
- Dara Norman (NOAO), Marcel Agueros (Columbia Univ), Timothy M. Brown (LCOGT), Matthew Browning (UC, Berkeley), Sukanya Chakrabarti (Harvard CfA), Bethany Cobb (UC, Berkeley), Kim Coble (Chicago State Univ.), Christopher Conselice (Univ. of Nottingham), Kelle Cruz (Caltech), Laura Danly (Griffith Obs.), Peter M. Frinchaboy III (Univ of Wisconsin, Madison), Eric Gawiser (Rutgers Univ.), Joseph Gelfand (NYU), Anthony Gonzalez (Univ. of Florida), Jennifer L. Hoffman (Univ. of Denver), Dragan Huterer (Univ. of Michigan), John Johnson (Univ. of Hawaii), Roberta M. Johnson (NCAR), Sheila Kannappan (UNC), Rachel Kuzio de Naray (UC, Irvine), David Lai (UC, Santa Cruz), Douglas C. Leonard (San Diego State Univ.), Makenzie Lystrup (Univ. of Colorado, Boulder), Sera Markoff (Univ. of Amsterdam), Karin Menendez-Delmestre (OCIW), et al. (7 additional authors not shown)
- arXiv.org - Astrophysics - Volume: 2009, Issue: 27 Mar
- arXiv:0903.4509 [pdf]
Constraining the Type Ia Supernova Progenitor: The Search for Hydrogen in Nebular Spectra
- Virtual Journal - Volume 5, Issue 42 - article #9
- Douglas C. Leonard
- arXiv.org - Astrophysics - Volume: 2007, Issue: 18 Oct
- arXiv:0710.3166 [ps, pdf, other]
ASTRONOMY: A Supernova Riddle
- Virtual Journal - Volume 5, Issue 2 - article #27
- Douglas C. Leonard
- Science - Volume 315, Issue 5809 - 12 January 2007: 193-194.
- Summary, Full Text, PDF,
A non-spherical core in the explosion of supernova SN 2004dj
- Virtual Journal - Volume 4, Issue 13 - article #36
- Douglas C. Leonard, Alexei V. Filippenko, Mohan Ganeshalingam, Franklin J. D. Serduke, Weidong Li, Brandon J. Swift, Avishay Gal-Yam, Ryan J. Foley, Derek B. Fox, Sung Park, Jennifer L. Hoffman and Diane S. WongFirst paragraph |
- Nature - Volume 440, Issue 7083
- Full Text, PDF (207K) See also: Editor's summary
A non-spherical core in the explosion of supernova SN 2004dj
- Virtual Journal - Volume 4, Issue 12 - article #39
- Douglas C. Leonard, Alexei V. Filippenko, Mohan Ganeshalingam, Franklin J. D. Serduke, Weidong Li, Brandon J. Swift, Avishay Gal-Yam, Ryan J. Foley, Derek B. Fox, Sung Park, Jennifer L. Hoffman and Diane S. WongFirst paragraph |
- Nature - Volume 440, Issue 7083
- Full Text, PDF (207K) See also: Editor's summary
Evidence for Spectropolarimetric Diversity in Type Ia Supernovae
- Virtual Journal - Volume 3, Issue 25 - article #23
- Douglas C. Leonard (Caltech), Weidong Li, Alexei V. Filippenko, Ryan J. Foley, Ryan Chornock (UC Berkeley)
- ArXiv - Astrophysics – June 2005
- astro-ph/0506470 [ abs , ps , pdf , other ]
Hubble Space Telescope and Ground-based Observations of SN 1993J and SN 1998S: CNO Processing in the Progenitors
- Virtual Journal - Volume 3, Issue 13 - article #41
- Claes Fransson, Peter M. Challis, Roger A. Chevalier, Alexei V. Filippenko, Robert P. Kirshner, Cecilia Kozma, Douglas C. Leonard, Thomas Matheson, E. Baron, Peter Garnavich, Saurabh Jha, Bruno Leibundgut, Peter Lundqvist, C. S. J. Pun, Lifan Wang, and J. Craig Wheeler
- Astrophysical Journal – Vol 622, No 2 – April 2005
- ABSTRACT , FULL TEXT , PDF (732 kB), PS
Spectropolarimetry of Core-Collapse Supernovae
- Virtual Journal - Volume 2, Issue 38 - article #11
- Douglas C. Leonard (Caltech), Alexei V. Filippenko (UC Berkeley)
- arXiv - Astrophysics – October 2004
- astro-ph/0409518 [ abs , ps , pdf , other ]
Hubble Space Telescope and Ground-Based Observations of SN 1993J and SN 1998S: CNO Processing in the Progenitors
- Virtual Journal - Volume 2, Issue 38 - article #25
- Claes Fransson, Peter M. Challis, Roger A. Chevalier, Alexei V. Filippenko, Robert P. Kirshner, Cecilia Kozma, Douglas C. Leonard, Thomas Matheson, E. Baron, Peter Garnavich, Saurabh Jha, Bruno Leibundgut, Peter Lundqvist, C. S. J. Pun, Lifan Wang, J. Craig Wheeler
- arXiv - Astrophysics – October 2004
- astro-ph/0409439 [ abs , ps , pdf , other ]
The Type IIn supernova 1994W: evidence for the explosive ejection of a circumstellar envelope
- Virtual Journal - Volume 2, Issue 32 - article #27
- Nikolai N. Chugai, Sergei I. Blinnikov, Robert J. Cumming, Peter Lundqvist, Angela Bragaglia, Alexei V. Filippenko, Douglas C. Leonard, Thomas Matheson, Jesper Sollerman
- Monthly Notices of the Royal Astronomical Society - Volume 352 Issue 4 – August 2004
- ABSTRACT , FULL ARTICLE
The type IIn supernova 1994W: evidence for the explosive ejection of a circumstellar envelope
- Virtual Journal - Volume 2, Issue 20 - article #4
- Nikolai N. Chugai (1), Sergei I. Blinnikov (2), Robert J. Cumming (3), Peter Lundqvist (3), Angela Bragaglia (4), Alexei V. Filippenko (5), Douglas C. Leonard (6), Thomas Matheson (5 and 7), Jesper Sollerman (3) ((1) Institute of Astronomy, RAS, Moscow, (2) ITEP, Moscow, (3) Stockholm Observatory, (4) Osservatorio Astronomico di Bologna, (5) University of California, Berkeley, (6) University of Massachusetts (7) Harvard-Smithsonian Center for Astrophysics)
- arXiv.org - Astrophysics – May 2004
- astro-ph/0405369 [ abs , ps , pdf , other ]

Results 1 - 22 of 22

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