Zobrazeno 1 - 10
of 67
pro vyhledávání: '"Merryfield M"'
Autor:
Chawla, P., Kaspi, V. M., Ransom, S. M., Bhardwaj, M., Boyle, P. J., Breitman, D., Cassanelli, T., Cubranic, D., Dong, F. Q., Fonseca, E., Gaensler, B. M., Giri, U., Josephy, A., Kaczmarek, J. F., Leung, C., Masui, K. W., Mena-Parra, J., Merryfield, M., Michilli, D., Münchmeyer, M., Ng, C., Patel, C., Pearlman, A. B., Petroff, E., Pleunis, Z., Rahman, M., Sanghavi, P., Shin, K., Smith, K. M., Stairs, I., Tendulkar, S. P.
We present a Monte Carlo-based population synthesis study of fast radio burst (FRB) dispersion and scattering focusing on the first catalog of sources detected with the Canadian Hydrogen Intensity Mapping Experiment Fast Radio Burst (CHIME/FRB) proje
Externí odkaz:
http://arxiv.org/abs/2107.10858
Autor:
Collaboration, The CHIME/FRB, Andersen, B. C., Bandura, K. M., Bhardwaj, M., Bij, A., Boyce, M. M., Boyle, P. J., Brar, C., Cassanelli, T., Chawla, P., Chen, T., Cliche, J. -F., Cook, A., Cubranic, D., Curtin, A. P., Denman, N. T., Dobbs, M., Dong, F. Q., Fandino, M., Fonseca, E., Gaensler, B. M., Giri, U., Good, D. C., Halpern, M., Hill, A. S., Hinshaw, G. F., Höfer, C., Josephy, A., Kania, J. W., Kaspi, V. M., Landecker, T. L., Leung, C., Li, D. Z., Lin, H. -H., Masui, K. W., Mckinven, R., Mena-Parra, J., Merryfield, M., Meyers, B. W., Michilli, D., Milutinovic, N., Mirhosseini, A., Münchmeyer, M., Naidu, A., Newburgh, L. B., Ng, C., Patel, C., Pen, U. -L., Pinsonneault-Marotte, T., Pleunis, Z., Quine, B. M., Rafiei-Ravandi, M., Rahman, M., Ransom, S. M., Renard, A., Sanghavi, P., Scholz, P., Shaw, J. R., Shin, K., Siegel, S. R., Singh, S., Smegal, R. J., Smith, K. M., Stairs, I. H., Tan, C. M., Tendulkar, S. P., Tretyakov, I., Vanderlinde, K., Wang, H., Wulf, D., Zwaniga, A. V.
Magnetars are highly magnetized young neutron stars that occasionally produce enormous bursts and flares of X-rays and gamma-rays. Of the approximately thirty magnetars currently known in our Galaxy and Magellanic Clouds, five have exhibited transien
Externí odkaz:
http://arxiv.org/abs/2005.10324
Autor:
Scholz, P., Cook, A., Cruces, M., Hessels, J. W. T., Kaspi, V. M., Majid, W. A., Naidu, A., Pearlman, A. B., Spitler, L., Bandura, K. M., Bhardwaj, M., Cassanelli, T., Chawla, P., Gaensler, B. M., Good, D. C., Josephy, A., Karuppusamy, R., Keimpema, A., Kirichenko, A. Yu., Kirsten, F., Kocz, J., Leung, C., Marcote, B., Masui, K., Mena-Parra, J., Merryfield, M., Michilli, D., Naudet, C. J., Nimmo, K., Pleunis, Z., Prince, T. A., Rafiei-Ravandi, M., Rahman, M., Shin, K., Smith, K. M., Stairs, I. H., Tendulkar, S. P., Vanderlinde, K.
We report on simultaneous radio and X-ray observations of the repeating fast radio burst source FRB 180916.J0158+65 using the Canadian Hydrogen Intensity Mapping Experiment (CHIME), Effelsberg, and Deep Space Network (DSS-14 and DSS-63) radio telesco
Externí odkaz:
http://arxiv.org/abs/2004.06082
Autor:
Chawla, P., Andersen, B. C., Bhardwaj, M., Fonseca, E., Josephy, A., Kaspi, V. M., Michilli, D., Pleunis, Z., Bandura, K. M., Bassa, C. G., Boyle, P. J., Brar, C., Cassanelli, T., Cubranic, D., Dobbs, M., Dong, F. Q., Gaensler, B. M., Good, D. C., Hessels, J. W. T., Landecker, T. L., Leung, C., Li, D. Z., Lin, H. -. H., Masui, K., Mckinven, R., Mena-Parra, J., Merryfield, M., Meyers, B. W., Naidu, A., Ng, C., Patel, C., Rafiei-Ravandi, M., Rahman, M., Sanghavi, P., Scholz, P., Shin, K., Smith, K. M., Stairs, I. H., Tendulkar, S. P., Vanderlinde, K.
We report on the detection of seven bursts from the periodically active, repeating fast radio burst (FRB) source FRB 180916.J0158+65 in the 300-400-MHz frequency range with the Green Bank Telescope (GBT). Emission in multiple bursts is visible down t
Externí odkaz:
http://arxiv.org/abs/2004.02862
Autor:
Collaboration, The CHIME/FRB, Amiri, M., Andersen, B. C., Bandura, K. M., Bhardwaj, M., Boyle, P. J., Brar, C., Chawla, P., Chen, T., Cliche, J. F., Cubranic, D., Deng, M., Denman, N. T., Dobbs, M., Dong, F. Q., Fandino, M., Fonseca, E., Gaensler, B. M., Giri, U., Good, D. C., Halpern, M., Hessels, J. W. T., Hill, A. S., Höfer, C., Josephy, A., Kania, J. W., Karuppusamy, R., Kaspi, V. M., Keimpema, A., Kirsten, F., Landecker, T. L., Lang, D. A., Leung, C., Li, D. Z., Lin, H. -H., Marcote, B., Masui, K. W., Mckinven, R., Mena-Parra, J., Merryfield, M., Michilli, D., Milutinovic, N., Mirhosseini, A., Naidu, A., Newburgh, L. B., Ng, C., Nimmo, K., Paragi, Z., Patel, C., Pen, U. -L., Pinsonneault-Marotte, T., Pleunis, Z., Rafiei-Ravandi, M., Rahman, M., Ransom, S. M., Renard, A., Sanghavi, P., Scholz, P., Shaw, J. R., Shin, K., Siegel, S. R., Singh, S., Smegal, R. J., Smith, K. M., Stairs, I. H., Tendulkar, S. P., Tretyakov, I., Vanderlinde, K., Wang, H., Wang, X., Wulf, D., Yadav, P., Zwaniga, A. V.
Publikováno v:
Nature, Volume 582, page 351--355 (2020)
Fast radio bursts (FRBs) are bright, millisecond-duration radio transients originating from extragalactic distances. Their origin is unknown. Some FRB sources emit repeat bursts, ruling out cataclysmic origins for those events. Despite searches for p
Externí odkaz:
http://arxiv.org/abs/2001.10275
Autor:
Fonseca, E., Andersen, B. C., Bhardwaj, M., Chawla, P., Good, D. C., Josephy, A., Kaspi, V. M., Masui, K. W., Mckinven, R., Michilli, D., Pleunis, Z., Shin, K., Tendulkar, S. P., Bandura, K. M., Boyle, P. J., Brar, C., Cassanelli, T., Cubranic, D., Dobbs, M., Dong, F. Q., Gaensler, B. M., Hinshaw, G., Landecker, T. L., Leung, C., Li, D. Z., Lin, H. -H., Mena-Parra, J., Merryfield, M., Naidu, A., Ng, C., Patel, C., Pen, U., Rafiei-Ravandi, M., Rahman, M., Ransom, S. M., Scholz, P., Smith, K. M., Stairs, I. H., Vanderlinde, K., Yadav, P., Zwaniga, A. V.
We report on the discovery and analysis of bursts from nine new repeating fast radio burst (FRB) sources found using the Canadian Hydrogen Intensity Mapping Experiment (CHIME) telescope. These sources span a dispersion measure (DM) range of 195 to 13
Externí odkaz:
http://arxiv.org/abs/2001.03595
Autor:
Collaboration, The CHIME/FRB, Andersen, B. C., Bandura, K., Bhardwaj, M., Boubel, P., Boyce, M. M., Boyle, P. J., Brar, C., Cassanelli, T., Chawla, P., Cubranic, D., Deng, M., Dobbs, M., Fandino, M., Fonseca, E., Gaensler, B. M., Gilbert, A. J., Giri, U., Good, D. C., Halpern, M., Hill, A. S., Hinshaw, G., Höfer, C., Josephy, A., Kaspi, V. M., Kothes, R., Landecker, T. L., Lang, D. A., Li, D. Z., Lin, H. -H., Masui, K. W., Mena-Parra, J., Merryfield, M., Mckinven, R., Michilli, D., Milutinovic, N., Naidu, A., Newburgh, L. B., Ng, C., Patel, C., Pen, U., Pinsonneault-Marotte, T., Pleunis, Z., Rafiei-Ravandi, M., Rahman, M., Ransom, S. M., Renard, A., Scholz, P., Siegel, S. R., Singh, S., Smith, K. M., Stairs, I. H., Tendulkar, S. P., Tretyakov, I., Vanderlinde, K., Yadav, P., Zwaniga, A. V.
We report on the discovery of eight repeating fast radio burst (FRB) sources found using the Canadian Hydrogen Intensity Mapping Experiment (CHIME) telescope. These sources span a dispersion measure (DM) range of 103.5 to 1281 pc cm$^{-3}$. They disp
Externí odkaz:
http://arxiv.org/abs/1908.03507
Autor:
Josephy, A., Chawla, P., Fonseca, E., Ng, C., Patel, C., Pleunis, Z., Scholz, P., Andersen, B. C., Bandura, K., Bhardwaj, M., Boyce, M. M., Boyle, P. J., Brar, C., Cubranic, D., Dobbs, M., Gaensler, B. M., Gill, A., Giri, U., Good, D. C., Halpern, M., Hinshaw, G., Kaspi, V. M., Landecker, T. L., Lang, D. A., Lin, H. -H., Masui, K. W., Mckinven, R., Mena-Parra, J., Merryfield, M., Michilli, D., Milutinovic, N., Naidu, A., Pen, U., Rafiei-Ravandi, M., Rahman, M., Ransom, S. M., Renard, A., Siegel, S. R., Smith, K. M., Stairs, I. H., Tendulkar, S. P., Vanderlinde, K., Yadav, P., Zwaniga, A. V.
We report the detection of a single burst from the first-discovered repeating Fast Radio Burst source, FRB 121102, with CHIME/FRB, which operates in the frequency band 400-800 MHz. The detected burst occurred on 2018 November 19 and its emission exte
Externí odkaz:
http://arxiv.org/abs/1906.11305
Autor:
Collaboration, The CHIME/FRB, Amiri, M., Bandura, K., Bhardwaj, M., Boubel, P., Boyce, M. M., Boyle, P. J., Brar, C., Burhanpurkar, M., Cassanelli, T., Chawla, P., Cliche, J. F., Cubranic, D., Deng, M., Denman, N., Dobbs, M., Fandino, M., Fonseca, E., Gaensler, B. M., Gilbert, A. J., Gill, A., Giri, U., Good, D. C., Halpern, M., Hanna, D. S., Hill, A. S., Hinshaw, G., Höfer, C., Josephy, A., Kaspi, V. M., Landecker, T. L., Lang, D. A., Lin, H. -H., Masui, K. W., Mckinven, R., Mena-Parra, J., Merryfield, M., Michilli, D., Milutinovic, N., Moatti, C., Naidu, A., Newburgh, L. B., Ng, C., Patel, C., Pen, U. -L., Pinsonneault-Marotte, T., Pleunis, Z., Rafiei-Ravandi, M., Rahman, M., Ransom, S. M., Renard, A., Scholz, P., Shaw, J. R., Siegel, S. R., Smith, K. M., Stairs, I. H., Tendulkar, S. P., Tretyakov, I., Vanderlinde, K., Yadav, P.
The discovery of a repeating Fast Radio Burst (FRB) source, FRB 121102, eliminated models involving cataclysmic events for this source. No other repeating FRB has yet been detected in spite of many recent FRB discoveries and follow-ups, suggesting re
Externí odkaz:
http://arxiv.org/abs/1901.04525
Autor:
Camilo, F., Scholz, P., Serylak, M., Buchner, S., Merryfield, M., Kaspi, V. M., Archibald, R. F., Bailes, M., Jameson, A., van Straten, W., Sarkissian, J., Reynolds, J. E., Johnston, S., Hobbs, G., Abbott, T. D., Adam, R. M., Adams, G. B., Alberts, T., Andreas, R., Asad, K. M. B., Baker, D. E., Baloyi, T., Bauermeister, E. F., Baxana, T., Bennett, T. G. H., Bernardi, G., Booisen, D., Booth, R. S., Botha, D. H., Boyana, L., Brederode, L. R. S., Burger, J. P., Cheetham, T., Conradie, J., Conradie, J. P., Davidson, D. B., de Bruin, G., de Swardt, B., de Villiers, C., de Villiers, D. I. L., de Villiers, M. S., de Villiers, W., de Waal, C., Dikgale, M. A., Toit, G. du, Toit, L. J. du, Esterhuyse, S. W. P., Fanaroff, B., Fataar, S., Foley, A. R., Foster, G., Fourie, D., Gamatham, R., Gatsi, T., Geschke, R., Goedhart, S., Grobler, T. L., Gumede, S. C., Hlakola, M. J., Hokwana, A., Hoorn, D. H., Horn, D., Horrell, J., Hugo, B., Isaacson, A., Jacobs, O., van Rensburg, J. P. Jansen, Jonas, J. L., Jordaan, B., Joubert, A., Joubert, F., Jozsa, G. I. G., Julie, R., Julius, C. C., Kapp, F., Karastergiou, A., Karels, F., Kariseb, M., Karuppusamy, R., Kasper, V., Knox-Davies, E. C., Koch, D., Kotze, P. P. A., Krebs, A., Kriek, N., Kriel, H., Kusel, T., Lamoor, S., Lehmensiek, R., Liebenberg, D., Liebenberg, I., Lord, R. T., Lunsky, B., Mabombo, N., Macdonald, T., Macfarlane, P., Madisa, K., Mafhungo, L., Magnus, L. G., Magozore, C., Mahgoub, O., Main, J. P. L., Makhathini, S., Malan, J. A., Malgas, P., Manley, J. R., Manzini, M., Marais, L., Marais, N., Marais, S. J., Maree, M., Martens, A., Matshawule, S. D., Matthysen, N., Mauch, T., Nally, L. D. Mc, Merry, B., Millenaar, R. P., Mjikelo, C., Mkhabela, N., Mnyandu, N., Moeng, I. T., Mokone, O. J., Monama, T. E., Montshiwa, K., Moss, V., Mphego, M., New, W., Ngcebetsha, B., Ngoasheng, K., Niehaus, H., Ntuli, P., Nzama, A., Obies, F., Obrocka, M., Ockards, M. T., Olyn, C., Oozeer, N., Otto, A. J., Padayachee, Y., Passmoor, S., Patel, A. A., Paula, S., Peens-Hough, A., Pholoholo, B., Prozesky, P., Rakoma, S., Ramaila, A. J. T., Rammala, I., Ramudzuli, Z. R., Rasivhaga, M., Ratcliffe, S., Reader, H. C., Renil, R., Richter, L., Robyntjies, A., Rosekrans, D., Rust, A., Salie, S., Sambu, N., Schollar, C. T. G., Schwardt, L., Seranyane, S., Sethosa, G., Sharpe, C., Siebrits, R., Sirothia, S. K., Slabber, M. J., Smirnov, O., Smith, S., Sofeya, L., Songqumase, N., Spann, R., Stappers, B., Steyn, D., Steyn, T. J., Strong, R., Struthers, A., Stuart, C., Sunnylall, P., Swart, P. S., Taljaard, B., Tasse, C., Taylor, G., Theron, I. P., Thondikulam, V., Thorat, K., Tiplady, A., Toruvanda, O., van Aardt, J., van Balla, T., Heever, L. van den, van der Byl, A., van der Merwe, C., van der Merwe, P., van Niekerk, P. C., van Rooyen, R., van Staden, J. P., van Tonder, V., van Wyk, R., Wait, I., Walker, A. L., Wallace, B., Welz, M., Williams, L. P., Xaia, B., Young, N., Zitha, S.
Publikováno v:
ApJ 856 (2018) 180
New radio (MeerKAT and Parkes) and X-ray (XMM-Newton, Swift, Chandra, and NuSTAR) observations of PSR J1622-4950 indicate that the magnetar, in a quiescent state since at least early 2015, reactivated between 2017 March 19 and April 5. The radio flux
Externí odkaz:
http://arxiv.org/abs/1804.01933