Search Results - "Zavala, Robert T."

The Bow Shock and Kinematics of PSR J1959+2048 by Romani, Roger W., Deller, Adam, Guillemot, Lucas, Ding, Hao, de Vries, Martijn, Parker, Chase, Zavala, Robert T., Chalumeau, Aurélien, Cognard, Ismaël

“…Pulsar H α bow shocks provide rare opportunities to constrain the energetics and kinematics of the relativistic pulsar wind. We have acquired optical imaging…”
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Optical Observations with Milliarcsecond Resolution of Stars, Their Environments and Companions by Sanborn, Jason J., Zavala, Robert T.

“…Observations with milliarsecond resolution using the Navy Optical Interferometer have been obtained for a number of stellar systems which include high-mass…”
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BINARY BLACK HOLES, GAS SLOSHING, AND COLD FRONTS IN THE X-RAY HALO HOSTING 4C+37.11 by Andrade-Santos, Felipe, Bogdán, Ákos, Romani, Roger W., Forman, William R., Jones, Christine, Murray, Stephen S., Taylor, Greg B., Zavala, Robert T.

“…ABSTRACT We analyzed deep Chandra ACIS-I exposures of the cluster-scale X-ray halo surrounding the radio source 4C+37.11. This remarkable system hosts the…”
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Optical Observations with Milliarcsecond Resolution of Stars, Their Environments and Companions by Sanborn, Jason J, Zavala, Robert T

“…Observations with milliarsecond resolution using the Navy Optical Interferometer have been obtained for a number of stellar systems which include high-mass…”
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Constraining the Orbit of Supermassive Black Hole Binary 0402+379 by Bansal, Karishma, Taylor, Greg B, Peck, Alison. B, Zavala, Robert T, Romani, Roger W

“…The radio galaxy 0402+379 is believed to host a supermassive black hole binary (SMBHB). The two compact core sources are separated by a projected distance of…”
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Binary Black Holes, Gas Sloshing, and Cold Fronts in the X-ray Halo Hosting 4C+37.11 by Andrade-Santos, Felipe, Bogdan, Akos, Romani, Roger W, Forman, William R, Jones, Christine, Murray, Stephen S, Taylor, Greg B, Zavala, Robert T

“…We analyzed deep $Chandra$ ACIS-I exposures of the cluster-scale X-ray halo surrounding the radio source 4C+37.11. This remarkable system hosts the closest…”
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Periodic Optical Variability of Radio Detected Ultracool Dwarfs by Harding, Leon K, Hallinan, Gregg, Boyle, Richard P, Golden, Aaron, Singh, Navtej, Sheehan, Brendan, Zavala, Robert T, Butler, Ray F

“…A fraction of very low mass stars and brown dwarfs are known to be radio active, in some cases producing periodic pulses. Extensive studies of two such objects…”
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Interferometry of $\epsilon$ Aurigae: Characterization of the asymmetric eclipsing disk by Kloppenborg, Brian, Stencel, Robert, Monnier, John D, Schaefer, Gail, Baron, Fabien, Tycner, Chris, Zavala, Robert T, Hutter, Donald, Zhao, Ming, Che, Xiao, Brummelaar, Theo ten, Farrington, Chris, Parks, Robert, McAlister, Hal, Sturmann, Judit, Sturmann, Laszlo, Sallave-Goldfinger, P. J, Turner, Nils, Pedretti, Ettoree, Thureau, Nathalie

“…2015 ApJS, 220, 14 We report on a total of 106 nights of optical interferometric observations of the $\epsilon$ Aurigae system taken during the last 14 years…”
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The origin of cyclic period changes in close binaries: the case of the Algol binary WW Cygni by Zavala, Robert T, McNamara, Bernard J, Harrison, Thomas E, Galvan, Eduardo, Galvan, Javier, Jarvis, Thomas, Killgore, GeeAnn, Mireles, Omar R, Olivares, Diana, Rodriguez, Brian A, Sanchez, Matthew, Silva, Allison L, Silva, Andrea L, Silva-Velarde, Elena

“…AJ, 123, 2002 January, 450 Years to decade-long cyclic orbital period changes have been observed in several classes of close binary systems including Algols, W…”
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