Search Results - "Patnaude, Daniel J."

The Forward and Reverse Shock Dynamics of Cassiopeia A by Vink, Jacco, Patnaude, Daniel J., Castro, Daniel

“…Abstract We report on proper motion measurements of the forward- and reverse shock regions of the supernova remnant Cassiopeia A (Cas A), including…”
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Diffusive nuclear burning in cooling simulations and application to new temperature data of the Cassiopeia A neutron star by Wijngaarden, M J P, Ho, Wynn C G, Chang, Philip, Heinke, Craig O, Page, Dany, Beznogov, Mikhail, Patnaude, Daniel J

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Cooling neutron star in the Cassiopeia A supernova remnant: evidence for superfluidity in the core by Shternin, Peter S., Yakovlev, Dmitry G., Heinke, Craig O., Ho, Wynn C. G., Patnaude, Daniel J.

“…ABSTRACT According to recent results of Ho & Heinke, the Cassiopeia A supernova remnant contains a young (≈330‐yr‐old) neutron star (NS) which has carbon…”
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Late-time Circumstellar Interaction of SN 2017eaw in NGC 6946 by Weil, Kathryn E., Fesen, Robert A., Patnaude, Daniel J., Milisavljevic, Dan

“…SN 2017eaw, the tenth supernova observed in NGC 6946, was a normal Type II-P supernova with an estimated 11-13 M red supergiant progenitor. Here we present…”
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Efficient Cosmic Ray Acceleration, Hydrodynamics, and Self-Consistent Thermal X-Ray Emission Applied to Supernova Remnant RX J1713.7–3946 by Ellison, Donald C, Patnaude, Daniel J, Slane, Patrick, Raymond, John

“…We model the broadband emission from supernova remnant (SNR) RX J1713.7-3946 including, for the first time, a consistent calculation of thermal X-ray emission…”
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Hubble Space Telescope Proper Motion Measurements of Supernova Remnant N132D: Center of Expansion and Age by Banovetz, John, Milisavljevic, Dan, Sravan, Niharika, Weil, Kathryn E., Subrayan, Bhagya, Fesen, Robert A., Patnaude, Daniel J., Plucinsky, Paul P., Law, Charles J., Blair, William P., Morse, Jon A.

“…Abstract We present proper motion measurements of the oxygen-rich ejecta of the LMC supernova remnant N132D using two epochs of Hubble Space Telescope Advanced…”
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Three-dimensional Kinematic Reconstruction of the Optically Emitting, High-velocity, Oxygen-rich Ejecta of Supernova Remnant N132D by Law, Charles J., Milisavljevic, Dan, Patnaude, Daniel J., Plucinsky, Paul P., Gladders, Michael D., Schmidt, Judy, Sravan, Niharika, Banovetz, John, Sano, Hidetoshi, McGraw, Jordan M., Takahashi, George, Orlando, Salvatore

“…We present a three-dimensional kinematic reconstruction of the optically emitting, oxygen-rich ejecta of supernova remnant N132D in the Large Magellanic Cloud…”
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Detection of the Red Supergiant Wind from the Progenitor of Cassiopeia A by Weil, Kathryn E., Fesen, Robert A., Patnaude, Daniel J., Raymond, John C., Chevalier, Roger A., Milisavljevic, Dan, Gerardy, Christopher L.

“…Cassiopeia A (Cas A) is one of the best studied young Galactic supernova remnants. While it provides a rare opportunity to study in detail the remnant of a…”
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SECOND EPOCH HUBBLE SPACE TELESCOPE OBSERVATIONS OF KEPLER’S SUPERNOVA REMNANT: THE PROPER MOTIONS OF BALMER FILAMENTS by Sankrit, Ravi, Raymond, John C, Blair, William P, Long, Knox S, Williams, Brian J, Borkowski, Kazimierz J, Patnaude, Daniel J, Reynolds, Stephen P

“…ABSTRACT We report on the proper motions of Balmer-dominated filaments in Kepler’s supernova remnant using high resolution images obtained with the Hubble…”
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The Center of Expansion and Age of the Oxygen-rich Supernova Remnant 1E 0102.2-7219 by Banovetz, John, Milisavljevic, Dan, Sravan, Niharika, Fesen, Robert A., Patnaude, Daniel J., Plucinsky, Paul P., Blair, William P., Weil, Kathryn E., Morse, Jon A., Margutti, Raffaella, Drout, Maria R.

“…Abstract We present new proper-motion measurements of optically emitting oxygen-rich knots of supernova remnant 1E 0102.2-7219 (E0102), which are used to…”
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The Expansion of the Forward Shock of 1E 0102.2-7219 in X-Rays by Xi, Long, Gaetz, Terrance J., Plucinsky, Paul P., Hughes, John P., Patnaude, Daniel J.

“…We measure the expansion of the forward shock of the Small Magellanic Cloud supernova remnant 1E 0102.2-7219 in X-rays using Chandra X-Ray Observatory on-axis…”
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iPTF15eqv: Multiwavelength Exposé of a Peculiar Calcium-rich Transient by Milisavljevic, Dan, Patnaude, Daniel J., Raymond, John C., Drout, Maria R., Margutti, Raffaella, Kamble, Atish, Chornock, Ryan, Guillochon, James, Sanders, Nathan E., Parrent, Jerod T., Lovisari, Lorenzo, Chilingarian, Igor V., Challis, Peter, Kirshner, Robert P., Penny, Matthew T., Itagaki, Koichi, Eldridge, J. J., Moriya, Takashi J.

“…The progenitor systems of the class of "Ca-rich transients" is a key open issue in time domain astrophysics. These intriguing objects exhibit unusually strong…”
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NEW EVIDENCE FOR EFFICIENT COLLISIONLESS HEATING OF ELECTRONS AT THE REVERSE SHOCK OF A YOUNG SUPERNOVA REMNANT by Yamaguchi, Hiroya, Eriksen, Kristoffer A, Badenes, Carles, Hughes, John P, Brickhouse, Nancy S, Foster, Adam R, Patnaude, Daniel J, Petre, Robert, Slane, Patrick O, Smith, Randall K

“…Although collisionless shocks ar ubiquitous in astrophysics, certain key aspects of them are not well understood. In particular, the process known as…”
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The Impact of Progenitor Mass Loss on the Dynamical and Spectral Evolution of Supernova Remnants by Patnaude, Daniel J., Lee, Shiu-Hang, Slane, Patrick O., Badenes, Carles, Nagataki, Shigehiro, Ellison, Donald C., Milisavljevic, Dan

“…There is now substantial evidence that the progenitors of some core-collapse supernovae undergo enhanced or extreme mass loss prior to explosion. The imprint…”
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Chandrasekhar and Sub-Chandrasekhar Models for the X-Ray Emission of Type Ia Supernova Remnants. I. Bulk Properties by Martínez-Rodríguez, Héctor, Badenes, Carles, Lee, Shiu-Hang, Patnaude, Daniel J., Foster, Adam R., Yamaguchi, Hiroya, Auchettl, Katie, Bravo, Eduardo, Slane, Patrick O., Piro, Anthony L., Park, Sangwook, Nagataki, Shigehiro

“…Type Ia supernovae originate from the explosion of carbon-oxygen white dwarfs in binary systems, but the exact nature of their progenitors remains elusive. The…”
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The Role of Diffusive Shock Acceleration on Nonequilibrium Ionization in Supernova Remnants by Patnaude, Daniel J, Ellison, Donald C, Slane, Patrick

“…We present results of semianalytic calculations which show clear evidence for changes in the nonequilibrium ionization behind a supernova remnant forward shock…”
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The Proper Motion of the Pulsar J1124–5916 in the Galactic Supernova Remnant G292.0+1.8 by Long, Xi, Patnaude, Daniel J., Plucinsky, Paul P., Gaetz, Terrance J.

“…Abstract We present the first direct measurement of the proper motion of pulsar J1124–5916 in the young, oxygen-rich supernova remnant G292.0+1.8. Using deep…”
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A COMPARISON OF X-RAY AND OPTICAL EMISSION IN CASSIOPEIA A by Patnaude, Daniel J, Fesen, Robert A

“…We find weak spatial correlations between the remnant's X-ray and optical emission features on large scales, but several cases of good optical/X-ray…”
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THE ORIGIN OF KEPLER'S SUPERNOVA REMNANT by Patnaude, Daniel J, Badenes, Carles, Park, Sangwook, Laming, J Martin

“…It is now well established that Kepler's supernova remnant (SNR) is the result of a Type Ia explosion. With an age of 407 yr and an angular diameter of ~4',…”
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MODELING BRIGHT γ-RAY AND RADIO EMISSION AT FAST CLOUD SHOCKS by Lee, Shiu-Hang, Patnaude, Daniel J., Raymond, John C., Nagataki, Shigehiro, Slane, Patrick O., Ellison, Donald C.

“…ABSTRACT Recent observations by the Large Area Telescope on board the Fermi satellite have revealed bright γ-ray emission from middle-aged supernova remnants…”
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