Search Results - "Bhat, R. D. R."

Measurement and correction of variations in interstellar dispersion in high-precision pulsar timing by Keith, M. J., Coles, W., Shannon, R. M., Hobbs, G. B., Manchester, R. N., Bailes, M., Bhat, N. D. R., Burke-Spolaor, S., Champion, D. J., Chaudhary, A., Hotan, A. W., Khoo, J., Kocz, J., Os owski, S., Ravi, V., Reynolds, J. E., Sarkissian, J., van Straten, W., Yardley, D. R. B.

“…Signals from radio pulsars show a wavelength-dependent delay due to dispersion in the interstellar plasma. At a typical observing wavelength, this delay can…”
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Timing stability of millisecond pulsars and prospects for gravitational-wave detection by Verbiest, J. P. W., Bailes, M., Coles, W. A., Hobbs, G. B., Van Straten, W., Champion, D. J., Jenet, F. A., Manchester, R. N., Bhat, N. D. R., Sarkissian, J. M., Yardley, D., Burke-Spolaor, S., Hotan, A. W., You, X. P.

“…The analysis of high-precision timing observations of an array of ∼20 millisecond pulsars (a so-called ‘timing array’) may ultimately result in the detection…”
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Precision Timing of PSR J0437–4715: An Accurate Pulsar Distance, a High Pulsar Mass, and a Limit on the Variation of Newton's Gravitational Constant by Verbiest, J. P. W, Bailes, M, van Straten, W, Hobbs, G. B, Edwards, R. T, Manchester, R. N, Bhat, N. D. R, Sarkissian, J. M, Jacoby, B. A, Kulkarni, S. R

“…Analysis of 10 years of high-precision timing data on the millisecond pulsar PSR J0437-4715 has resulted in a model-independent kinematic distance based on an…”
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Quantum interference control of ballistic pure spin currents in semiconductors by Stevens, Martin J, Smirl, Arthur L, Bhat, R D R, Najmaie, Ali, Sipe, J E, Van Driel, H M

“…We demonstrate all-optical quantum interference injection and control of a ballistic pure spin current (without an accompanying charge current) in GaAs/AlGaAs…”
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The magnetic field and turbulence of the cosmic web measured using a brilliant fast radio burst by Ravi, V., Shannon, R. M., Bailes, M., Bannister, K., Bhandari, S., Bhat, N. D. R., Burke-Spolaor, S., Caleb, M., Flynn, C., Jameson, A., Johnston, S., Keane, E. F., Kerr, M., Tiburzi, C., Tuntsov, A. V., Vedantham, H. K.

“…Fast radio bursts (FRBs) are millisecond-duration events thought to originate beyond the Milky Way galaxy. Uncertainty surrounding the burst sources, and their…”
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A Population of Fast Radio Bursts at Cosmological Distances by Thornton, D., Steppers, B., Bailes, M., Barsdell, B., Bates, S., Bhat, N. D. R., Burgay, M., Burke-Spolaor, S., Champion, D. J., Coster, P., D'Amico, N., Jameson, A., Johnston, S., Keith, M., Kramer, M., Levin, L., Milia, S., Ng, C., Possenti, A., van Straten, W.

“…Searches for transient astrophysical sources often reveal unexpected classes of objects that are useful physical laboratories. In a recent survey for pulsars…”
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Gravitational waves from binary supermassive black holes missing in pulsar observations by Shannon, R. M., Ravi, V., Lentati, L. T., Lasky, P. D., Hobbs, G., Kerr, M., Manchester, R. N., Coles, W. A., Levin, Y., Bailes, M., Bhat, N. D. R., Burke-Spolaor, S., Dai, S., Keith, M. J., Osłowski, S., Reardon, D. J., van Straten, W., Toomey, L., Wang, J.-B., Wen, L., Wyithe, J. S. B., Zhu, X.-J.

“…Gravitational waves are expected to be radiated by supermassive black hole binaries formed during galaxy mergers. A stochastic superposition of gravitational…”
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Timing analysis for 20 millisecond pulsars in the Parkes Pulsar Timing Array by Reardon, D. J., Hobbs, G., Coles, W., Levin, Y., Keith, M. J., Bailes, M., Bhat, N. D. R., Burke-Spolaor, S., Dai, S., Kerr, M., Lasky, P. D., Manchester, R. N., Osłowski, S., Ravi, V., Shannon, R. M., van Straten, W., Toomey, L., Wang, J., Wen, L., You, X. P., Zhu, X.-J.

“…We present timing models for 20 millisecond pulsars in the Parkes Pulsar Timing Array. The precision of the parameter measurements in these models has been…”
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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 SUrvey for Pulsars and Extragalactic Radio Bursts – I. Survey description and overview by Keane, E. F., Barr, E.D., Jameson, A., Morello, V., Caleb, M., Bhandari, S., Petroff, E., Possenti, A., Burgay, M., Tiburzi, C., Bailes, M., Bhat, N. D. R., Burke-Spolaor, S., Eatough, R.P., Flynn, C., Jankowski, F., Johnston, S., Kramer, M., Levin, L., Ng, C., van Straten, W., Krishnan, V. Venkatraman

“…Abstract We describe the Survey for Pulsars and Extragalactic Radio Bursts (SUPERB), an ongoing pulsar and fast transient survey using the Parkes radio…”
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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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The sensitivity of the Parkes Pulsar Timing Array to individual sources of gravitational waves by Yardley, D. R. B., Hobbs, G. B., Jenet, F. A., Verbiest, J. P. W., Wen, Z. L., Manchester, R. N., Coles, W. A., van Straten, W., Bailes, M., Bhat, N. D. R., Burke-Spolaor, S., Champion, D. J., Hotan, A. W., Sarkissian, J. M.

“…We present the sensitivity of the Parkes Pulsar Timing Array to gravitational waves (GWs) emitted by individual supermassive black hole binary systems in the…”
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Optically injected spin currents in semiconductors by Bhat, R D, Sipe, J E

“…We show that quantum interference of one and two photon absorption from a two color field allows one to optically inject ballistic spin currents in unbiased…”
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The High Time Resolution Universe Pulsar Survey – XIII. PSR J1757−1854, the most accelerated binary pulsar by Cameron, A D, Champion, D J, Kramer, M, Bailes, M, Barr, E D, Bassa, C G, Bhandari, S, Bhat, N D R, Burgay, M, Burke-Spolaor, S, Eatough, R P, Flynn, C M L, Freire, P C C, Jameson, A, Johnston, S, Karuppusamy, R, Keith, M J, Levin, L, Lorimer, D R, Lyne, A G, McLaughlin, M A, Ng, C, Petroff, E, Possenti, A, Ridolfi, A, Stappers, B W, van Straten, W, Tauris, T M, Tiburzi, C, Wex, N

“…Abstract We report the discovery of PSR J1757−1854, a 21.5-ms pulsar in a highly-eccentric, 4.4-h orbit with a neutron star (NS) companion. PSR J1757−1854…”
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The SUrvey for Pulsars and Extragalactic Radio Bursts – III. Polarization properties of FRBs 160102 and 151230 by Caleb, M, Keane, E F, van Straten, W, Kramer, M, Macquart, J P, Bailes, M, Barr, E D, Bhat, N D R, Bhandari, S, Burgay, M, Farah, W, Jameson, A, Jankowski, F, Johnston, S, Petroff, E, Possenti, A, Stappers, B W, Tiburzi, C, Venkatraman Krishnan, V

“…Abstract We report on the polarization properties of two fast radio bursts (FRBs): 151230 and 160102 discovered in the SUrvey for Pulsars and Extragalactic…”
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The High Time Resolution Universe Pulsar Survey – I. System configuration and initial discoveries by Keith, M. J., Jameson, A., van Straten, W., Bailes, M., Johnston, S., Kramer, M., Possenti, A., Bates, S. D., Bhat, N. D. R., Burgay, M., Burke-Spolaor, S., D'Amico, N., Levin, L., McMahon, Peter L., Milia, S., Stappers, B. W.

“…We have embarked on a survey for pulsars and fast transients using the 13-beam multibeam receiver on the Parkes Radio Telescope. Installation of a digital…”
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Gravitational-Wave Limits from Pulsar Timing Constrain Supermassive Black Hole Evolution by Shannon, R. M., Ravi, V., Coles, W. A., Hobbs, G., Keith, M. J., Manchester, R. N., Wyithe, J. S. B., Bailes, M., Bhat, N. D. R., Burke-Spolaor, S., Khoo, J., Levin, Y., Osłowski, S., Sarkissian, J. M., van Straten, W., Verbiest, J. P. W., Wang, J.-B.

“…The formation and growth processes of supermassive black holes (SMBHs) are not well constrained. SMBH population models, however, provide specific predictions…”
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Limitations in timing precision due to single-pulse shape variability in millisecond pulsars by Shannon, R. M., Osłowski, S., Dai, S., Bailes, M., Hobbs, G., Manchester, R. N., van Straten, W., Raithel, C. A., Ravi, V., Toomey, L., Bhat, N. D. R., Burke-Spolaor, S., Coles, W. A., Keith, M. J., Kerr, M., Levin, Y., Sarkissian, J. M., Wang, J.-B., Wen, L., Zhu, X.-J.

“…High-sensitivity radio-frequency observations of millisecond pulsars usually show stochastic, broad-band, pulse-shape variations intrinsic to the pulsar…”
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The High Time Resolution Universe Pulsar Survey – XII. Galactic plane acceleration search and the discovery of 60 pulsars by Ng, C., Champion, D. J., Bailes, M., Barr, E. D., Bates, S. D., Bhat, N. D. R., Burgay, M., Burke-Spolaor, S., Flynn, C. M. L., Jameson, A., Johnston, S., Keith, M. J., Kramer, M., Levin, L., Petroff, E., Possenti, A., Stappers, B. W., van Straten, W., Tiburzi, C., Eatough, R. P., Lyne, A. G.

“…We present initial results from the low-latitude Galactic plane region of the High Time Resolution Universe pulsar survey conducted at the Parkes 64-m radio…”
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The High Time Resolution Universe Pulsar Survey – XVI. Discovery and timing of 40 pulsars from the southern Galactic plane by Cameron, A D, Champion, D J, Bailes, M, Balakrishnan, V, Barr, E D, Bassa, C G, Bates, S, Bhandari, S, Bhat, N D R, Burgay, M, Burke-Spolaor, S, Flynn, C M L, Jameson, A, Johnston, S, Keith, M J, Kramer, M, Levin, L, Lyne, A G, Ng, C, Petroff, E, Possenti, A, Smith, D A, Stappers, B W, van Straten, W, Tiburzi, C, Wu, J

“…ABSTRACT We present the results of processing an additional 44  per cent of the High Time Resolution Universe South Low Latitude (HTRU-S LowLat) pulsar survey,…”
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