Search Results - "Spiewak, R."

Relativistic Shapiro Delay Measurements of an Extremely Massive Millisecond Pulsar by Cromartie, H T, Fonseca, E, Ransom, S M, Demorest, P B, Arzoumanian, Z, Blumer, H, Brook, P R, DeCesar, M E, Dolch, T, Ellis, J A, Ferdman, R D, Ferrara, E C, Garver-Daniels, N, Gentile, P, Jones, M L, Lam, M T, Lorimer, D R, Lynch, R S, McLaughlin, M A, Ng, C, Nice, D J, Pennucci, T T, Spiewak, R, Stairs, I H, Stovall, K, Swiggum, J K, Zhu, W W

“…Despite its importance to our understanding of physics at supranuclear densities, the equation of state (EoS) of matter deep within neutron stars remains…”
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Identifying and mitigating noise sources in precision pulsar timing data sets by Goncharov, Boris, Reardon, D J, Shannon, R M, Zhu, Xing-Jiang, Thrane, Eric, Bailes, M, Bhat, N D R, Dai, S, Hobbs, G, Kerr, M, Manchester, R N, Osłowski, S, Parthasarathy, A, Russell, C J, Spiewak, R, Thyagarajan, N, Wang, J B

“…ABSTRACT Pulsar timing array projects measure the pulse arrival times of millisecond pulsars for the primary purpose of detecting nanohertz-frequency…”
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The Parkes pulsar timing array second data release: timing analysis by Reardon, D J, Shannon, R M, Cameron, A D, Goncharov, B, Hobbs, G B, Middleton, H, Shamohammadi, M, Thyagarajan, N, Bailes, M, Bhat, N D R, Dai, S, Kerr, M, Manchester, R N, Russell, C J, Spiewak, R, Wang, J B, Zhu, X J

“…ABSTRACT The main goal of pulsar timing array experiments is to detect correlated signals such as nanohertz-frequency gravitational waves. Pulsar timing data…”
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Which bright fast radio bursts repeat? by James, C W, Osłowski, S, Flynn, C, Kumar, P, Bannister, K, Bhandari, S, Farah, W, Kerr, M, Lorimer, D R, Macquart, J-P, Ng, C, Phillips, C, Price, D C, Qiu, H, Shannon, R M, Spiewak, R

“…ABSTRACT A handful of fast radio bursts (FRBs) are now known to repeat. However, the question remains – do they all? We report on an extensive observational…”
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The MeerKAT Pulsar Timing Array: first data release by Miles, M T, Shannon, R M, Bailes, M, Reardon, D J, Keith, M J, Cameron, A D, Parthasarathy, A, Shamohammadi, M, Spiewak, R, van Straten, W, Buchner, S, Camilo, F, Geyer, M, Karastergiou, A, Kramer, M, Serylak, M, Theureau, G, Venkatraman Krishnan, V

“…ABSTRACT We present the first 2.5 yr of data from the MeerKAT Pulsar Timing Array (MPTA), part of MeerTime, a MeerKAT Large Survey Project. The MPTA aims to…”
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The NANOGrav 11 yr Data Set: Limits on Gravitational Waves from Individual Supermassive Black Hole Binaries by Aggarwal, K., Arzoumanian, Z., Baker, P. T., Brazier, A., Brinson, M. R., Brook, P. R., Burke-Spolaor, S., Chatterjee, S., Cordes, J. M., Cornish, N. J., Crawford, F., Crowter, K., Cromartie, H. T., DeCesar, M., Demorest, P. B., Dolch, T., Ellis, J. A., Ferdman, R. D., Ferrara, E., Fonseca, E., Garver-Daniels, N., Gentile, P., Hazboun, J. S., Holgado, A. M., Huerta, E. A., Islo, K., Jennings, R., Jones, G., Jones, M. L., Kaiser, A. R., Kaplan, D. L., Kelley, L. Z., Key, J. S., Lam, M. T., Lazio, T. J. W., Levin, L., Lorimer, D. R., Luo, J., Lynch, R. S., Madison, D. R., McLaughlin, M. A., McWilliams, S. T., Mingarelli, C. M. F., Ng, C., Nice, D. J., Pennucci, T. T., Pol, N. S., Ransom, S. M., Ray, P. S., Siemens, X., Simon, J., Spiewak, R., Stairs, I. H., Stinebring, D. R., Stovall, K., Swiggum, J., Taylor, S. R., Turner, J. E., Vallisneri, M., van Haasteren, R., Vigeland, S. J., Witt, C. A., Zhu, W. W.

“…Observations indicate that nearly all galaxies contain supermassive black holes at their centers. When galaxies merge, their component black holes form SMBH…”
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The Thousand Pulsar Array program on MeerKAT – IX. The time-averaged properties of the observed pulsar population by Posselt, B, Karastergiou, A, Johnston, S, Parthasarathy, A, Oswald, L S, Main, R A, Basu, A, Keith, M J, Song, X, Weltevrede, P, Tiburzi, C, Bailes, M, Buchner, S, Geyer, M, Kramer, M, Spiewak, R, Krishnan, V Venkatraman

“…ABSTRACT We present the largest single survey to date of average profiles of radio pulsars, observed and processed using the same telescope and data reduction…”
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Eight new millisecond pulsars from the first MeerKAT globular cluster census by Ridolfi, A, Gautam, T, Freire, P C C, Ransom, S M, Buchner, S J, Possenti, A, Venkatraman Krishnan, V, Bailes, M, Kramer, M, Stappers, B W, Abbate, F, Barr, E D, Burgay, M, Camilo, F, Corongiu, A, Jameson, A, Padmanabh, P V, Vleeschower, L, Champion, D J, Chen, W, Geyer, M, Karastergiou, A, Karuppusamy, R, Parthasarathy, A, Reardon, D J, Serylak, M, Shannon, R M, Spiewak, R

“…ABSTRACT We have used the central 44 antennas of the new 64-dish MeerKAT radio telescope array to conduct a deep search for new pulsars in the core of nine…”
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Systemic photoallergy to terbinafine by Spiewak, R

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The Thousand-Pulsar-Array programme on MeerKAT – V. Scattering analysis of single-component pulsars by Oswald, L S, Karastergiou, A, Posselt, B, Johnston, S, Bailes, M, Buchner, S, Geyer, M, Keith, M J, Kramer, M, Parthasarathy, A, Reardon, D J, Serylak, M, Shannon, R M, Spiewak, R, van Straten, W, Venkatraman Krishnan, V

“…ABSTRACT We have measured the scattering time-scale, τ, and the scattering spectral index, α, for 84 single-component pulsars. Observations were carried out…”
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The thousand-pulsar-array programme on MeerKAT IV: Polarization properties of young, energetic pulsars by Serylak, M, Johnston, S, Kramer, M, Buchner, S, Karastergiou, A, Keith, M J, Parthasarathy, A, Weltevrede, P, Bailes, M, Barr, E D, Camilo, F, Geyer, M, Hugo, B V, Jameson, A, Reardon, D J, Shannon, R M, Spiewak, R, van Straten, W, Venkatraman Krishnan, V

“…ABSTRACT We present observations of 35 high spin-down energy radio pulsars using the MeerKAT telescope. Polarization profiles and associated parameters are…”
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Mode changing in J1909 − 3744: the most precisely timed pulsar by Miles, M T, Shannon, R M, Bailes, M, Reardon, D J, Buchner, S, Middleton, H, Spiewak, R

“…ABSTRACT We present baseband radio observations of the millisecond pulsar J1909 − 3744, the most precisely timed pulsar, using the MeerKAT telescope as part of…”
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The Green Bank North Celestial Cap Survey. VII. 12 New Pulsar Timing Solutions by Swiggum, J. K., Pleunis, Z., Parent, E., Kaplan, D. L., McLaughlin, M. A., Stairs, I. H., Spiewak, R., Agazie, G. Y., Chawla, P., DeCesar, M. E., Dolch, T., Fiore, W., Fonseca, E., Istrate, A. G., Kaspi, V. M., Kondratiev, V. I., van Leeuwen, J., Levin, L., Lewis, E. F., Lynch, R. S., McEwen, A. E., Al Noori, H., Ransom, S. M., Siemens, X., Surnis, M.

“…Abstract We present timing solutions for 12 pulsars discovered in the Green Bank North Celestial Cap 350 MHz pulsar survey, including six millisecond pulsars…”
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The Thousand-Pulsar-Array programme on MeerKAT – VI. Pulse widths of a large and diverse sample of radio pulsars by Posselt, B, Karastergiou, A, Johnston, S, Parthasarathy, A, Keith, M J, Oswald, L S, Song, X, Weltevrede, P, Barr, E D, Buchner, S, Geyer, M, Kramer, M, Reardon, D J, Serylak, M, Shannon, R M, Spiewak, R, Venkatraman Krishnan, V

“…ABSTRACT We present pulse width measurements for a sample of radio pulsars observed with the MeerKAT telescope as part of the Thousand-Pulsar-Array (TPA)…”
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Timing observations of three Galactic millisecond pulsars by Lorimer, D R, Kawash, A M, Freire, P C C, Smith, D A, Kerr, M, McLaughlin, M A, Mickaliger, M B, Spiewak, R, Bailes, M, Barr, E, Burgay, M, Cameron, A D, Camilo, F, Johnston, S, Jankowski, F, Keane, E F, Keith, M, Kramer, M, Possenti, A

“…ABSTRACT We report observed and derived timing parameters for three millisecond pulsars (MSPs) from observations collected with the Parkes 64-m telescope,…”
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The Thousand-Pulsar-Array programme on MeerKAT – I. Science objectives and first results by Johnston, Simon, Karastergiou, A, Keith, M J, Song, X, Weltevrede, P, Abbate, F, Bailes, M, Buchner, S, Camilo, F, Geyer, M, Hugo, B, Jameson, A, Kramer, M, Parthasarathy, A, Reardon, D J, Ridolfi, A, Serylak, M, Shannon, R M, Spiewak, R, van Straten, W, Venkatraman Krishnan, V, Jankowski, F, Meyers, B W, Oswald, L, Posselt, B, Sobey, C, Szary, A, van Leeuwen, J

“…ABSTRACT We report here on initial results from the Thousand-Pulsar-Array (TPA) programme, part of the Large Survey Project ‘MeerTime’ on the MeerKAT…”
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Measurements of pulse jitter and single-pulse variability in millisecond pulsars using MeerKAT by Parthasarathy, A, Bailes, M, Shannon, R M, van Straten, W, Osłowski, S, Johnston, S, Spiewak, R, Reardon, D J, Kramer, M, Venkatraman Krishnan, V, Pennucci, T T, Abbate, F, Buchner, S, Camilo, F, Champion, D J, Geyer, M, Hugo, B, Jameson, A, Karastergiou, A, Keith, M J, Serylak, M

“…ABSTRACT Using the state-of-the-art SKA precursor, the MeerKAT radio telescope, we explore the limits to precision pulsar timing of millisecond pulsars…”
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The relativistic binary programme on MeerKAT: science objectives and first results by Kramer, M, Stairs, I H, Venkatraman Krishnan, V, Freire, P C C, Abbate, F, Bailes, M, Burgay, M, Buchner, S, Champion, D J, Cognard, I, Gautam, T, Geyer, M, Guillemot, L, Hu, H, Janssen, G, Lower, M E, Parthasarathy, A, Possenti, A, Ransom, S, Reardon, D J, Ridolfi, A, Serylak, M, Shannon, R M, Spiewak, R, Theureau, G, van Straten, W, Wex, N, Oswald, L S, Posselt, B, Sobey, C, Barr, E D, Camilo, F, Hugo, B, Jameson, A, Johnston, S, Karastergiou, A, Keith, M, Osłowski, S

“…ABSTRACT We describe the ongoing Relativistic Binary programme (RelBin), a part of the MeerTime large survey project with the MeerKAT radio telescope. RelBin…”
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Searches for Shapiro delay in seven binary pulsars using the MeerKAT telescope by Shamohammadi, M, Bailes, M, Freire, P C C, Parthasarathy, A, Reardon, D J, Shannon, R M, Venkatraman Krishnan, V, Bernadich, M C i, Cameron, A D, Champion, D J, Corongiu, A, Flynn, C, Geyer, M, Kramer, M, Miles, M T, Possenti, A, Spiewak, R

“…ABSTRACT Precision timing of millisecond pulsars (MSPs) in binary systems enables observers to detect the relativistic Shapiro delay induced by space–time…”
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Searching for gravitational-wave bursts from cosmic string cusps with the Parkes Pulsar Timing Array by Yonemaru, N, Kuroyanagi, S, Hobbs, G, Takahashi, K, Zhu, X-J, Coles, W A, Dai, S, Howard, E, Manchester, R, Reardon, D, Russell, C, M Shannon, R, Thyagarajan, N, Spiewak, R, Wang, J-B

“…ABSTRACT Cosmic strings are potential gravitational-wave (GW) sources that can be probed by pulsar timing arrays (PTAs). In this work we develop a detection…”
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