Zobrazeno 1 - 10
of 37
pro vyhledávání: '"Joseph, R C"'
Autor:
Ng, C., Pandhi, A., Mckinven, R., Curtin, A. P., Shin, K., Fonseca, E., Gaensler, B. M., Jow, D. L., Kaspi, V., Li, D., Main, R., Masui, K. W., Michilli, D., Nimmo, K., Pleunis, Z., Scholz, P., Stairs, I., Bhardwaj, M., Brar, C., Cassanelli, T., Joseph, R. C., Pearlman, A. B., Rafiei-Ravandi, M., Smith, K.
As part of the Canadian Hydrogen Intensity Mapping Experiment Fast Radio Burst (CHIME/FRB) project, we report 41 new Rotation Measures (RMs) from 20 repeating Fast Radio Bursts (FRBs) obtained between 2019 and 2023 for which no previous RM was determ
Externí odkaz:
http://arxiv.org/abs/2411.09045
Autor:
Shah, V., Shin, K., Leung, C., Fong, W., Eftekhari, T., Amiri, M., Andersen, B. C., Andrew, S., Bhardwaj, M., Brar, C., Cassanelli, T., Chatterjee, S., Curtin, A. P., Dobbs, M., Dong, Y., Dong, F. A., Fonseca, E., Gaensler, B. M., Halpern, M., Hessels, J. W. T., Ibik, A. L., Jain, N., Joseph, R. C., Kaczmarek, J., Kahinga, L. A., Kaspi, V. M., Kharel, B., Landecker, T., Lanman, A. E., Lazda, M., Main, R., Mas-Ribas, L., Masui, K. W., Mckinven, R., Mena-Parra, J., Meyers, B. W., Michilli, D., Nimmo, K., Pandhi, A., Patil, S. S., Pearlman, A. B., Pleunis, Z., Prochaska, J. X., Rafiei-Ravandi, M., Sammons, M., Sand, K. R., Scholz, P., Smith, K., Stairs, I.
We report the discovery of the repeating fast radio burst source FRB 20240209A using the CHIME/FRB telescope. We have detected 22 bursts from this repeater between February and July 2024, six of which were also recorded at the Outrigger station KKO.
Externí odkaz:
http://arxiv.org/abs/2410.23374
Autor:
Eftekhari, T., Dong, Y., Fong, W., Shah, V., Simha, S., Andersen, B. C., Andrew, S., Bhardwaj, M., Cassanelli, T., Chatterjee, S., Coulter, D. A., Fonseca, E., Gaensler, B. M., Gordon, A. C., Hessels, J. W. T., Ibik, A. L., Joseph, R. C., Kahinga, L. A., Kaspi, V., Kharel, B., Kilpatrick, C. D., Lanman, A. E., Lazda, M., Leung, C., Liu, C., Mas-Ribas, L., Masui, K. W., Mckinven, R., Mena-Parra, J., Miller, A. A., Nimmo, K., Pandhi, A., Pearlman, A. B., Pleunis, Z., Prochaska, J. X., Rafiei-Ravandi, M., Sammons, M., Scholz, P., Shin, K., Smith, K., Stairs, I., Shivraj, P. Swarali
The discovery and localization of FRB20240209A by the Canadian Hydrogen Intensity Mapping Fast Radio Burst (CHIME/FRB) experiment marks the first repeating FRB localized with the CHIME/FRB Outriggers and adds to the small sample of repeating FRBs wit
Externí odkaz:
http://arxiv.org/abs/2410.23336
Autor:
Trott, Cathryn M., Jordan, C. H., Midgley, S., Barry, N., Greig, B., Pindor, B., Cook, J. H., Sleap, G., Tingay, S. J., Ung, D., Hancock, P., Williams, A., Bowman, J., Byrne, R., Chokshi, A., Hazelton, B. J., Hasegawa, K., Jacobs, D., Joseph, R. C., Li, W., Line, J. L. B, Lynch, C., McKinley, B., Mitchell, D. A., Morales, M. F., Ouchi, M., Pober, J. C., Rahimi, M., Takahashi, K., Wayth, R. B., Webster, R. L., Wilensky, M., Wyithe, J. S. B., Yoshiura, S., Zhang, Z., Zheng, Q.
We compute the spherically-averaged power spectrum from four seasons of data obtained for the Epoch of Reionisation (EoR) project observed with the Murchison Widefield Array (MWA). We measure the EoR power spectrum over $k= 0.07-3.0~h$Mpc$^{-1}$ at r
Externí odkaz:
http://arxiv.org/abs/2002.02575
Autor:
Li, W., Pober, J. C., Barry, N., Hazelton, B. J., Morales, M. F., Trott, C. M., Lanman, A., Wilensky, M., Sullivan, I., Beardsley, A. P., Booler, T., Bowman, J. D., Byrne, R., Crosse, B., Emrich, D., Franzen, T. M. O., Hasegawa, K., Horsley, L., Johnston-Hollitt, M., Jacobs, D. C., Jordan, C. H., Joseph, R. C., Kaneuji, T., Kaplan, D. L., Kenney, D., Kubota, K., Line, J., Lynch, C., McKinley, B., Mitchell, D. A., Murray, S., Pallot, D., Pindor, B., Rahimi, M., Riding, J., Sleap, G., Steele, K., Takahashi, K., Tingay, S. J., Walker, M., Wayth, R. B., Webster, R. L., Williams, A., Wu, C., Wyithe, J. S. B., Yoshiura, S., Zheng, Q.
Publikováno v:
ApJ (2019) 887 141
The compact configuration of Phase II of the Murchison Widefield Array (MWA) consists of both a redundant subarray and pseudo-random baselines, offering unique opportunities to perform sky-model and redundant interferometric calibration. The highly r
Externí odkaz:
http://arxiv.org/abs/1911.10216
Autor:
Beardsley, A. P., Johnston-Hollitt, M., Trott, C. M., Pober, J. C., Morgan, J., Oberoi, D., Kaplan, D. L., Lynch, C. R., Anderson, G. E., McCauley, P. I., Croft, S., James, C. W., Wong, O. I., Tremblay, C. D., Norris, R. P., Cairns, I. H., Lonsdale, C. J., Hancock, P. J., Gaensler, B. M., Bhat, N. D. R., Li, W., Hurley-Walker, N., Callingham, J. R., Seymour, N., Yoshiura, S., Joseph, R. C., Takahashi, K., Sokolowski, M., Miller-Jones, J. C. A., Chauhan, J. V., Bojičić, I., Filipović, M. D., Leahy, D., Su, H., Tian, W. W., McSweeney, S. J., Meyers, B. W., Kitaeff, S., Vernstrom, T., Gürkan, G., Heald, G., Xue, M., Riseley, C. J., Duchesne, S. W., Bowman, J. D., Jacobs, D. C., Crosse, B., Emrich, D., Franzen, T. M. O., Horsley, L., Kenney, D., Morales, M. F., Pallot, D., Steele, K., Tingay, S. J., Walker, M., Wayth, R. B., Williams, A., Wu, C.
The Murchison Widefield Array (MWA) is an open access telescope dedicated to studying the low frequency (80$-$300 MHz) southern sky. Since beginning operations in mid 2013, the MWA has opened a new observational window in the southern hemisphere enab
Externí odkaz:
http://arxiv.org/abs/1910.02895
Autor:
Barry, N., Wilensky, M., Trott, C. M., Pindor, B., Beardsley, A. P., Hazelton, B. J., Sullivan, I. S., Morales, M. F., Pober, J. C., Line, J., Greig, B., Byrne, R., Lanman, A., Li, W., Jordan, C. H., Joseph, R. C., McKinley, B., Rahimi, M., Yoshiura, S., Bowman, J. D., Gaensler, B. M., Hewitt, J. N., Jacobs, D. C., Mitchell, D. A., Shankar, N. Udaya, Sethi, S. K., Subrahmanyan, R., Tingay, S. J., Webster, R. L., Wyithe, J. S. B.
Measurements of 21 cm Epoch of Reionization (EoR) structure are subject to systematics originating from both the analysis and the observation conditions. Using 2013 data from the Murchison Widefield Array (MWA), we show the importance of mitigating b
Externí odkaz:
http://arxiv.org/abs/1909.00561
Autor:
Li, W., Pober, J. C., Hazelton, B. J., Barry, N., Morales, M. F., Sullivan, I., Parsons, A. R., Ali, Z. S., Dillon, J. S., Beardsley, A. P., Bowman, J. D., Briggs, F., Byrne, R., Carroll, P., Crosse, B., Emrich, D., Ewall-Wice, A., Feng, L., Franzen, T. M. O., Hewitt, J. N., Horsley, L., Jacobs, D. C., Johnston-Hollitt, M., Jordan, C., Joseph, R. C., Kaplan, D. L., Kenney, D., Kim, H., Kittiwisit, P., Lanman, A., Line, J., McKinley, B., Mitchell, D. A., Murray, S., Neben, A., Offringa, A. R., Pallot, D., Paul, S., Pindor, B., Procopio, P., Rahimi, M., Riding, J., Sethi, S. K., Shankar, N. Udaya, Steele, K., Subrahmanian, R., Tegmark, M., Thyagarajan, N., Tingay, S. J., Trott, C., Walker, M., Wayth, R. B., Webster, R. L., Williams, A., Wu, C., Wyithe, S.
Interferometric arrays seeking to measure the 21 cm signal from the Epoch of Reionization must contend with overwhelmingly bright emission from foreground sources. Accurate recovery of the 21 cm signal will require precise calibration of the array, a
Externí odkaz:
http://arxiv.org/abs/1807.05312
Autor:
Damasco, Joseph R. C., Frettlöh, Dirk
A vertex colouring of some graph is called perfect if each vertex of colour $i$ has exactly $a_{ij}$ neighbours of colour $j$. Being perfect imposes several restrictions on the colour incidence matrix $(a_{ij})$. We list several (old and new) necessa
Externí odkaz:
http://arxiv.org/abs/1804.03552
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