Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Kasian L"'
Autor:
Knispel, B., Allen, B., Cordes, J. M., Deneva, J. S., Anderson, D., Aulbert, C., Bhat, N. D. R., Bock, O., Bogdanov, S., Brazier, A., Camilo, F., Champion, D. J., Chatterjee, S., Crawford, F., Demorest, P. B., Fehrmann, H., Freire, P. C. C., Gonzalez, M. E., Hammer, D., Hessels, J. W. T., Jenet, F. A., Kasian, L., Kaspi, V. M., Kramer, M., Lazarus, P., van Leeuwen, J., Lorimer, D. R., Machenschalk, A. G. Lyne B., McLaughlin, M. A., Messenger, C., Nice, D. J., Papa, M. A., Pletsch, H. J., Prix, R., Ransom, S. M., Siemens, X., Stairs, I. H., Stappers, B. W., Stovall, K., Venkataraman, A.
Publikováno v:
Science 10 September 2010: Vol. 329 no. 5997 p. 1305. (Published Online 12 August 2010)
Einstein@Home aggregates the computer power of hundreds of thousands of volunteers from 192 countries to "mine" large data sets. It has now found a 40.8 Hz isolated pulsar in radio survey data from the Arecibo Observatory taken in February 2007. Addi
Externí odkaz:
http://arxiv.org/abs/1008.2172
Autor:
Deneva, J. S., Cordes, J. M., McLaughlin, M. A., Nice, D. J., Lorimer, D. R., Crawford, F., Bhat, N. D. R., Camilo, F., Champion, D. J., Freire, P. C. C., Edel, S., Kondratiev, V. I., Hessels, J. W. T., Jenet, F. A., Kasian, L., Kaspi, V. M., Kramer, M., Lazarus, P., van Leeuwen, J., Ransom, S. M., Stairs, I. H., Stappers, B. W., Brazier, A., Venkataraman, A., Zollweg, J. A., Bogdanov, S.
Publikováno v:
Astrophys.J.703:2259-2274,2009
We present radio transient search algorithms, results, and statistics from the ongoing Arecibo Pulsar ALFA (PALFA) Survey of the Galactic plane. We have discovered seven objects by detecting isolated dispersed pulses and one of the new discoveries ha
Externí odkaz:
http://arxiv.org/abs/0811.2532
Autor:
Hessels, J. W. T., Nice, D. J., Gaensler, B. M., Kaspi, V. M., Lorimer, D. R., Champion, D. J., Lyne, A. G., Kramer, M., Cordes, J. M., Freire, P. C. C., Camilo, F., Ransom, S. M., Deneva, J. S., Bhat, N. D. R., Cognard, I., Crawford, F., Jenet, F. A., Kasian, L., Lazarus, P., van Leeuwen, J., McLaughlin, M. A., Stairs, I. H., Stappers, B. W., Venkataraman, A.
We present the discovery of the Vela-like radio pulsar J1856+0245 in the Arecibo PALFA survey. PSR J1856+0245 has a spin period of 81ms, a characteristic age of 21kyr, and a spin-down luminosity Edot = 4.6 x 10^36 ergs/s. It is positionally coinciden
Externí odkaz:
http://arxiv.org/abs/0806.1200
Autor:
Champion, D. J., Ransom, S. M., Lazarus, P., Camilo, F., Bassa, C., Kaspi, V. M., Nice, D. J., Freire, P. C. C., Stairs, I. H., van Leeuwen, J., Stappers, B. W., Cordes, J. M., Hessels, J. W. T., Lorimer, D. R., Arzoumanian, Z., Backer, D. C., Bhat, N. D. R., Chatterjee, S., Cognard, I., Deneva, J. S., Faucher-Giguere, C. -A., Gaensler, B. M., Han, J. L., Jenet, F. A., Kasian, L., Kondratiev, V. I., Kramer, M., Lazio, J., McLaughlin, M. A., Venkataraman, A., Vlemmings, W.
Binary pulsar systems are superb probes of stellar and binary evolution and the physics of extreme environments. In a survey with the Arecibo telescope, we have found PSR J1903+0327, a radio pulsar with a rotational period of 2.15 ms in a highly ecce
Externí odkaz:
http://arxiv.org/abs/0805.2396
Autor:
Kasian, L. E.
Publikováno v:
AIP Conf.Proc.983:485-487,2008
We present an updated timing solution and an analysis of the profile evolution - including precession and beam shape - of the young, relativistic binary pulsar J1906+0746. The 144-ms pulsar, in a 3.98-hour orbit with eccentricity 0.085 (Lorimer et al
Externí odkaz:
http://arxiv.org/abs/0711.2690
Autor:
van Leeuwen, J., Cordes, J. M., Lorimer, D. R., Freire, P. C. C., Camilo, F., Stairs, I. H., Nice, D. J., Champion, D. J., Ramachandran, R., Faulkner, A. J., Lyne, A. G., Ransom, S. M., Arzoumanian, Z., Manchester, R. N., McLaughlin, M. A., Hessels, J. W. T., Vlemmings, W., Deshpande, A. A., Bhat, N. D. R., Chatterjee, S., Han, J. L., Gaensler, B. M., Kasian, L., Deneva, J. S., Reid, B., Lazio, T. J. W., Kaspi, V. M., Crawford, F., Lommen, A. N., Backer, D. C., Kramer, M., Stappers, B. W., Hobbs, G. B., Possenti, A., D'Amico, N., Faucher-Giguère, C. -A., Burgay, M.
The recently started Arecibo L-band Feed Array (ALFA) pulsar survey aims to find ~1000 new pulsars. Due to its high time and frequency resolution the survey is especially sensitive to millisecond pulsars, which have the potential to test gravitationa
Externí odkaz:
http://arxiv.org/abs/astro-ph/0604392
Autor:
Lorimer, D. R., Stairs, I. H., Freire, P. C. C., Cordes, J. M., Camilo, F., Faulkner, A. J., Lyne, A. G., Nice, D. J., Ransom, S. M., Arzoumanian, Z., Manchester, R. N., Champion, D. J., van Leeuwen, J., McLaughlin, M. A., Ramachandran, R., Hessels, J. W. T., Vlemmings, W., Deshpande, A. A., Bhat, N. D. R., Chatterjee, S., Han, J. L., Gaensler, B. M., Kasian, L., Deneva, J. S., Reid, B., Lazio, T. J. W., Kaspi, V. M., Crawford, F., Lommen, A. N., Backer, D. C., Kramer, M., Stappers, B. W., Hobbs, G. B., Possenti, A., D'Amico, N., Burgay, M.
Publikováno v:
Astrophys.J.640:428-434,2006
We report the discovery of PSR J1906+0746, a young 144-ms pulsar in a highly relativistic 3.98-hr orbit with an eccentricity of 0.085 and expected gravitational wave coalescence time of 300 Myr. The new pulsar was found during precursor survey observ
Externí odkaz:
http://arxiv.org/abs/astro-ph/0511523
Autor:
Cordes, J. M., Freire, P. C. C., Lorimer, D. R., Camilo, F., Champion, D. J., Nice, D. J., Ramachandran, R., Hessels, J. W. T., Vlemmings, W., van Leeuwen, J., Ransom, S. M., Bhat, N. D. R., Arzoumanian, Z., McLaughlin, M. A., Kaspi, V. M., Kasian, L., Deneva, J. S., Reid, B., Chatterjee, S., Han, J. L., Backer, D. C., Stairs, I. H., Deshpande, A. A., Faucher-Giguere, C. -A.
Publikováno v:
Astrophys.J.637:446-455,2006
We report results from the initial stage of a long-term pulsar survey of the Galactic plane using the Arecibo L-band Feed Array (ALFA), a seven-beam receiver operating at 1.4 GHz with 0.3 GHz bandwidth. The search targets Galactic latitudes |b| < 5 d
Externí odkaz:
http://arxiv.org/abs/astro-ph/0509732
Publikováno v:
Astron.Astrophys.409:217-234,2003
We present calculations of the spatial and spectral distribution of the radio emission from a wide WR+OB colliding-wind binary system based on high-resolution hydrodynamical simulations and solutions to the radiative transfer equation. We account for
Externí odkaz:
http://arxiv.org/abs/astro-ph/0307186
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