Zobrazeno 1 - 10
of 192
pro vyhledávání: '"Krishnan, Vivek"'
Autor:
Reardon, Daniel J., Main, Robert, Ocker, Stella Koch, Shannon, Ryan M., Bailes, Matthew, Camilo, Fernando, Geyer, Marisa, Jameson, Andrew, Kramer, Michael, Parthasarathy, Aditya, Spiewak, Renée, van Straten, Willem, Krishnan, Vivek Venkatraman
The interstellar medium of the Milky Way contains turbulent plasma with structures driven by energetic processes that fuel star formation and shape the evolution of our Galaxy. Radio waves from pulsars are scattered off the small (au-scale and below)
Externí odkaz:
http://arxiv.org/abs/2410.21390
Autor:
Bernadich, Miquel Colom i, Krishnan, Vivek Venkatraman, Champion, David J., Freire, Paulo C. C., Kramer, Michael, Tauris, Thomas M., Bailes, Matthew, Ridolfi, Alessandro, Serylak, Maciej
Publikováno v:
A&A 690, A253 (2024)
PSR J1227$-$6208 is a 34.53-ms recycled pulsar with a massive companion. This system has long been suspected to belong to the emerging class of massive recycled pulsar-ONeMg white dwarf systems such as PSR J2222$-$0137, PSR J1528$-$3146 and J1439$-$5
Externí odkaz:
http://arxiv.org/abs/2407.13593
Autor:
Balakrishnan, Vishnu, Freire, Paulo, Ransom, Scott, Ridolfi, Alessandro, Barr, Ewan, Chen, Weiwei, Krishnan, Vivek Venkatraman, Champion, David J., Kramer, Michael, Gautam, Tasha, Padmanabh, Prajwal, Men, Yunpeng, Abbate, Federico, Stappers, Benjamin, Stairs, Ingrid, Keane, Evan, Possenti, Andrea
PSR J2140$-$2311B is a 13-ms pulsar discovered in 2001 in a 7.8-hour Green Bank Telescope (GBT) observation of the core-collapsed globular cluster M30 and predicted to be in a highly eccentric binary orbit. This pulsar has eluded detection since then
Externí odkaz:
http://arxiv.org/abs/2301.04983
Autor:
Miles, Matthew T., Shannon, Ryan M., Bailes, Matthew, Reardon, Daniel J., Keith, Michael J., Cameron, Andrew D., Parthasarathy, Aditya, Shamohammadi, Mohsen, Spiewak, Renee, van Straten, Willem, Buchner, Sarah, Camilo, Fernando, Geyer, Marisa, Karastergiou, Aris, Kramer, Michael, Serylak, Maciej, Theureau, Gilles, Krishnan, Vivek Venkatraman
We present the first 2.5 years of data from the MeerKAT Pulsar Timing Array (MPTA), part of MeerTime, a MeerKAT Large Survey Project. The MPTA aims to precisely measure pulse arrival times from an ensemble of 88 pulsars visible from the Southern Hemi
Externí odkaz:
http://arxiv.org/abs/2212.04648
Autor:
Shamohammadi, Mohsen, Bailes, Matthew, Freire, Paulo C. C., Parthasarathy, Aditya, Reardon, Daniel J., Shannon, Ryan M., Krishnan, Vivek Venkatraman, Bernadich, Miquel C. i., Cameron, Andrew D., Champion, David J., Corongiu, Alessandro, Flynn, Christopher, Geyer, Marisa, Kramer, Michael, Miles, Matthew T., Possenti, Andrea, Spiewak, Renee
Precision timing of millisecond pulsars in binary systems enables observers to detect the relativistic Shapiro delay induced by space time curvature. When favourably aligned, this enables constraints to be placed on the component masses and system or
Externí odkaz:
http://arxiv.org/abs/2212.04051
Autor:
Zhang, Lei, Ridolfi, Alessandro, Blumer, Harsha, Freire, Paulo, Manchester, Richard N., McLaughlin, Maura, Kremer, Kyle, Cameron, Andrew D., Zhang, Zhiyu, Behrend, Jan, Burgay, Marta, Buchner, Sarah, Champion, David J., Chen, Weiwei, Dai, Shi, Feng, Yi, Fu, Xiaoting, Guo, Meng, Hobbs, George, Keane, Evan F., Kramer, Michael, Levin, Lina, Li, Xiangdong, Ni, Mengmeng, Pan, Jingshan, Padmanabh, Prajwal V., Possenti, Andrea, Ransom, Scott M., Tsai, Chao-Wei, Krishnan, Vivek Venkatraman, Wang, Pei, Zhang, Jie, Zhi, Qijun, Zhang, Yongkun, Li, Di
We report the discovery of a new 5.78 ms-period millisecond pulsar (MSP), PSR J1740-5340B (NGC 6397B), in an eclipsing binary system discovered with the Parkes radio telescope (now also known as Murriyang), Australia, and confirmed with the MeerKAT r
Externí odkaz:
http://arxiv.org/abs/2207.07880
Autor:
Kumar, P. Senthil, Mishra, Abhisek, Krishnan, Vivek, Pillai, Netra S., Pathak, Sumit, Bhiravarasu, Sriram S., Narendranath, Shyama, Lakshmi, K. Jaya Prasanna, Bhattacharya, Satadru
Publikováno v:
In Icarus October 2024 421
Autor:
Douglas, Andrew, Padmanabh, Prajwal, Ransom, Scott, Ridolfi, Alessandro, Freire, Paulo, Krishnan, Vivek Venkatraman, Barr, Ewan, Pallanca, Cristina, Cadelano, Mario, Possenti, Andrea, Stairs, Ingrid, Hessels, Jason, DeCesar, Megan, Lynch, Ryan, Bailes, Matthew, Burgay, Marta, Champion, David, Karuppusamy, Ramesh, Kramer, Michael, Stappers, Benjamin, Vleeschower, Laila
We report the discovery of two Black Widow millisecond pulsars in the globular cluster M28 with the MeerKAT telescope. PSR J1824$-$2452M (M28M) is a 4.78-ms pulsar in a $5.82\,$hour orbit and PSR J1824$-$2452N (M28N) is a 3.35-ms pulsar in a $4.76\,$
Externí odkaz:
http://arxiv.org/abs/2201.11238
Autor:
Gupta, Vivek, Flynn, Chris, Farah, Wael, Jameson, Andrew, Krishnan, Vivek Venkatraman, Bailes, Matthew, Bateman, Timothy, Deller, Adam T., Mandlik, Ayushi, Sutherland, Angus
Dedicated surveys using different detection pipelines are being carried out at multiple observatories to find more Fast Radio Bursts (FRBs). Understanding the efficiency of detection algorithms and the survey completeness function is important to ena
Externí odkaz:
http://arxiv.org/abs/2011.10191
Autor:
Lower, Marcus E., Bailes, Matthew, Shannon, Ryan M., Johnston, Simon, Flynn, Chris, Osłowski, Stefan, Gupta, Vivek, Farah, Wael, Bateman, Timothy, Green, Anne J., Hunstead, Richard, Jameson, Andrew, Jankowski, Fabian, Parthasarathy, Aditya, Price, Daniel C., Sutherland, Angus, Temby, David, Krishnan, Vivek Venkatraman
While pulsars possess exceptional rotational stability, large scale timing studies have revealed at least two distinct types of irregularities in their rotation: red timing noise and glitches. Using modern Bayesian techniques, we investigated the tim
Externí odkaz:
http://arxiv.org/abs/2002.12481