Roger A. Chevalier
University of Virginia
288 Papers
3K Citations
Roger A. Chevalier is an academic researcher from University of Virginia. The author has contributed to research in topics: Supernova & Supernova remnant. The author has an hindex of 87, co-authored 284 publications. Previous affiliations of Roger A. Chevalier include Kitt Peak National Observatory & Advanced Technology Center.
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Papers
A comprehensive study of GRB 070125, a most energetic gamma ray burst
Poonam Chandra,S. Bradley Cenko,Dale A. Frail,Roger A. Chevalier,Jean-Pierre Macquart,Shri Kulkarni,Douglas C.-J. Bock,Frank Bertoldi,Mansi M. Kasliwal,Derek B. Fox,Paul A. Price,Edo Berger,Alicia M. Soderberg,Fiona A. Harrison,Avishay Gal-Yam,Eran O. Ofek,Arne Rau,Brian P. Schmidt,P. Brian Cameron,Lennox L. Cowie,Antoinette Cowie,Michael A. Dopita,Bruce A. Peterson,Bryan E. Penprase +23 more
TL;DR: In this article, a comprehensive multi-wavelength analysis of the gamma-ray burst GRB 070125 is presented, consisting of observations in the gamma, X-ray, optical, millimeter and centimeter wavebands.
Hubble Space Telescope WFPC2 Imaging of Cassiopeia A
Robert A. Fesen,Jon A. Morse,Roger A. Chevalier,Kazimierz J. Borkowski,Christopher L. Gerardy,Stephen S. Lawrence,Sidney van den Bergh +6 more
TL;DR: The young galactic supernova remnant Cassiopeia A was imaged with Wide Field Planetary Camera 2 (WFPC2) aboard the Hubble Space Telescope through filters selected to capture the complete velocity range of the remnant's main shell in several emission lines as discussed by the authors.
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A Spectacular Radio Flare from XRF 050416a at 40 Days and Implications for the Nature of X-Ray Flashes
Alicia M. Soderberg,Ehud Nakar,Stephen Bradley Cenko,P. B. Cameron,Dale A. Frail,Shrinivas R. Kulkarni,Derek B. Fox,Edo Berger,Edo Berger,Avishay Gal-Yam,Dae-Sik Moon,Paul A. Price,G. E. Anderson,Brian P. Schmidt,Maria Elena Salvo,J. Rich,Arne Rau,Eran O. Ofek,Roger A. Chevalier,Mario Hamuy,Fiona A. Harrison,Pawan Kumar,Andrew MacFadyen,Patrick J. McCarthy,H-S Park,Bruce A. Peterson,Mark M. Phillips,Michael Rauch,Miguel Roth,Stephen A. Shectman +29 more
TL;DR: In this paper, the authors present detailed optical, near-infrared and radio observations of the X-ray flash 050416a obtained with Palomar and Siding Springs Observatories as well as HST and the VLA.
EVLA Observations of the Radio Evolution of SN 2011dh
M I {Krauss},Alicia M. Soderberg,Laura Chomiuk,B. A. Zauderer,Andreas Brunthaler,M. F. Bietenholz,Roger A. Chevalier,Claes Fransson,Michael P. Rupen +8 more
TL;DR: In this article, the authors report on Expanded Very Large Array (EVLA) observations of the Type IIb supernova 2011dh, performed over the first 100 days of its evolution and spanning 1-40 GHz in frequency.
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Hubble Space Telescope Observations of High-Velocity Lyα and Hα Emission from Supernova Remnant 1987A: The Structure and Development of the Reverse Shock
Eli Michael,Richard McCray,Roger A. Chevalier,Alexei V. Filippenko,Peter Lundqvist,Peter M. Challis,B. Sugerman,Stephen S. Lawrence,Chun J. S. Pun,Chun J. S. Pun,Peter M. Garnavich,Robert P. Kirshner,A P S Crotts,Claes Fransson,Weidong Li,Nino Panagia,Matthew R Phillips,Brian P. Schmidt,George Sonneborn,Nicholas B. Suntzeff,Lifan Wang,J. Craig Wheeler +21 more
TL;DR: In this article, two-dimensional line profiles of high-velocity Lyα and Hα emission from supernova remnant 1987A were obtained with the Space Telescope Imaging Spectrograph between 1997 September and 2001 September (days 3869-5327 after the explosion).
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