Search Results - "Nobleson, K"

Comparison of perturbative and non-perturbative methods in f(R) gravity by Nobleson, K., Ali, Amna, Banik, Sarmistha

“…In this work, we investigate the structure and properties of neutron stars in R 2 gravity using two approaches, viz: the perturbative and non-perturbative…”
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Evidence for profile changes in PSR J1713+0747 using the uGMRT by Singha, Jaikhomba, Surnis, Mayuresh P, Joshi, Bhal Chandra, Tarafdar, Pratik, Rana, Prerna, Susobhanan, Abhimanyu, Girgaonkar, Raghav, Kolhe, Neel, Agarwal, Nikita, Desai, Shantanu, Prabu, T, Bathula, Adarsh, Dandapat, Subhajit, Dey, Lankeswar, Hisano, Shinnosuke, Kato, Ryo, Kharbanda, Divyansh, Kikunaga, Tomonosuke, Marmat, Piyush, Susarla, Sai Chaitanya, Bagchi, Manjari, Dhanda Batra, Neelam, Choudhury, Arpita, Gopakumar, A, Gupta, Yashwant, Krishnakumar, M A, Maan, Yogesh, Manoharan, P K, Nobleson, K, Pandian, Arul, Pathak, Dhruv, Takahashi, Keitaro

“…ABSTRACT PSR J1713+0747 is one of the most precisely timed pulsars in the international pulsar timing array experiment. This pulsar showed an abrupt profile…”
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Low-frequency wideband timing of InPTA pulsars observed with the uGMRT by Nobleson, K, Agarwal, Nikita, Girgaonkar, Raghav, Pandian, Arul, Joshi, Bhal Chandra, Krishnakumar, M A, Susobhanan, Abhimanyu, Desai, Shantanu, Prabu, T, Bathula, Adarsh, Pennucci, Timothy T, Banik, Sarmistha, Bagchi, Manjari, Dhanda Batra, Neelam, Choudhary, Arpita, Dandapat, Subhajit, Dey, Lankeswar, Gupta, Yashwant, Hisano, Shinnosuke, Kato, Ryo, Kharbanda, Divyansh, Kikunaga, Tomonosuke, Kolhe, Neel, Maan, Yogesh, Marmat, Piyush, Arumugam, P, Manoharan, P K, Pathak, Dhruv, Singha, Jaikhomba, Surnis, Mayuresh P, Susarla, Sai Chaitanya, Takahashi, Keitaro

“…ABSTRACT High-precision measurements of the pulsar dispersion measure (DM) are possible using telescopes with low-frequency wideband receivers. We present an…”
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Multiband extension of the wideband timing technique by Paladi, Avinash Kumar, Dwivedi, Churchil, Rana, Prerna, Nobleson, K, Susobhanan, Abhimanyu, Joshi, Bhal Chandra, Tarafdar, Pratik, Deb, Debabrata, Arumugam, Swetha, Gopakumar, A, Krishnakumar, M A, Batra, Neelam Dhanda, Debnath, Jyotijwal, Kareem, Fazal, Arumugam, Paramasivan, Bagchi, Manjari, Bathula, Adarsh, Dandapat, Subhajit, Desai, Shantanu, Gupta, Yashwant, Hisano, Shinnosuke, Kharbanda, Divyansh, Kikunaga, Tomonosuke, Kolhe, Neel, Maan, Yogesh, Manoharan, P K, Singha, Jaikhomba, Srivastava, Aman, Surnis, Mayuresh, Takahashi, Keitaro

“…ABSTRACT The wideband timing technique enables the high-precision simultaneous estimation of pulsar times of arrival (ToAs) and dispersion measures (DMs) while…”
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Improving DM estimates using low-frequency scatter-broadening estimates by Singha, Jaikhomba, Joshi, Bhal Chandra, Krishnakumar, M A, Kareem, Fazal, Bathula, Adarsh, Dwivedi, Churchil, Jacob, Shebin Jose, Desai, Shantanu, Tarafdar, Pratik, Arumugam, P, Arumugam, Swetha, Bagchi, Manjari, Batra, Neelam Dhanda, Dandapat, Subhajit, Deb, Debabrata, Debnath, Jyotijwal, Gopakumar, A, Gupta, Yashwant, Hisano, Shinnosuke, Kato, Ryo, Kikunaga, Tomonosuke, Marmat, Piyush, Nobleson, K, Paladi, Avinash K, B., Arul Pandian, Prabu, Thiagaraj, Rana, Prerna, Srivastava, Aman, Surnis, Mayuresh, Susobhanan, Abhimanyu, Takahashi, Keitaro

“…ABSTRACT A pulsar’s pulse profile gets broadened at low frequencies due to dispersion along the line of sight or due to multipath propagation. The dynamic…”
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Nanohertz gravitational wave astronomy during SKA era: An InPTA perspective by Joshi, Bhal Chandra, Gopakumar, Achamveedu, Pandian, Arul, Prabu, Thiagaraj, Dey, Lankeswar, Bagchi, Manjari, Desai, Shantanu, Tarafdar, Pratik, Rana, Prerna, Maan, Yogesh, BATRA, Neelam Dhanda, Girgaonkar, Raghav, Agarwal, Nikita, Arumugam, Paramasivan, Basu, Avishek, Bathula, Adarsh, Dandapat, Subhajit, Gupta, Yashwant, Hisano, Shinnosuke, Kato, Ryo, Kharbanda, Divyansh, Kikunaga, Tomonosuke, Kolhe, Neel, Krishnakumar, M. A., Manoharan, P. K., Marmat, Piyush, Naidu, Arun, Banik, Sarmistha, Nobleson, K., Paladi, Avinash Kumar, Pathak, Dhruv, Singha, Jaikhomba, Srivastava, Aman, Surnis, Mayuresh, Susarla, Sai Chaitanya, Susobhanan, Abhimanyu, Takahashi, Keitaro

“…Decades long monitoring of millisecond pulsars, which exhibit highly stable rotational periods in pulsar timing array experiments is on the threshold of…”
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Comparison of perturbative and non-perturbative methods in f by Nobleson, K, Ali, Amna, Banik, Sarmistha

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Low-frequency pulse-jitter measurement with the uGMRT I : PSR J0437$-$4715 by Kikunaga, Tomonosuke, Hisano, Shinnosuke, Batra, Neelam Dhanda, Desai, Shantanu, Joshi, Bhal Chandra, Bagchi, Manjari, Prabu, T, Takahashi, Keitaro, Arumugam, Swetha, Bathula, Adarsh, Dandapat, Subhajit, Deb, Debabrata, Dwivedi, Churchil, Gupta, Yashwant, Jacob, Shebin Jose, Kareem, Fazal, K, Nobleson, Mamidipaka, Pragna, Paladi, Avinash Kumar, B, Arul Pandian, Rana, Prerna, Singha, Jaikhomba, Srivastava, Aman, Surnis, Mayuresh, Tarafdar, Pratik

“…High-precision pulsar timing observations are limited in their accuracy by the jitter noise that appears in the arrival time of pulses. Therefore, it is…”
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Multi-band Extension of the Wideband Timing Technique by Paladi, Avinash Kumar, Dwivedi, Churchil, Rana, Prerna, K, Nobleson, Susobhanan, Abhimanyu, Joshi, Bhal Chandra, Tarafdar, Pratik, Deb, Debabrata, Arumugam, Swetha, Gopakumar, A, Krishnakumar, M A, Batra, Neelam Dhanda, Debnath, Jyotijwal, Kareem, Fazal, Arumugam, Paramasivan, Bagchi, Manjari, Bathula, Adarsh, Dandapat, Subhajit, Desai, Shantanu, Gupta, Yashwant, Hisano, Shinnosuke, Kharbanda, Divyansh, Kikunaga, Tomonosuke, Kolhe, Neel, Maan, Yogesh, Manoharan, P K, Singha, Jaikhomba, Srivastava, Aman, Surnis, Mayuresh, Takahashi, Keitaro

“…The wideband timing technique enables the high-precision simultaneous estimation of pulsar Times of Arrival (ToAs) and Dispersion Measures (DMs) while…”
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Noise analysis of the Indian Pulsar Timing Array data release I by Srivastava, Aman, Desai, Shantanu, Kolhe, Neel, Surnis, Mayuresh, Joshi, Bhal Chandra, Susobhanan, Abhimanyu, Chalumeau, Aurélien, Hisano, Shinnosuke, K, Nobleson, Arumugam, Swetha, Kharbanda, Divyansh, Singha, Jaikhomba, Tarafdar, Pratik, Arumugam, P, Bagchi, Manjari, Bathula, Adarsh, Dandapat, Subhajit, Dey, Lankeswar, Dwivedi, Churchil, Girgaonkar, Raghav, Gopakumar, A, Gupta, Yashwant, Kikunaga, Tomonosuke, Krishnakumar, M. A, Liu, Kuo, Maan, Yogesh, Manoharan, P K, Paladi, Avinash Kumar, Rana, Prerna, Shaifullah, Golam M, Takahashi, Keitaro

“…The Indian Pulsar Timing Array (InPTA) collaboration has recently made its first official data release (DR1) for a sample of 14 pulsars using 3.5 years of…”
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The Indian Pulsar Timing Array: First data release by Tarafdar, Pratik, K, Nobleson, Rana, Prerna, Singha, Jaikhomba, Krishnakumar, M. A, Joshi, Bhal Chandra, Paladi, Avinash Kumar, Kolhe, Neel, Batra, Neelam Dhanda, Agarwal, Nikita, Bathula, Adarsh, Dandapat, Subhajit, Desai, Shantanu, Dey, Lankeswar, Hisano, Shinnosuke, Ingale, Prathamesh, Kato, Ryo, Kharbanda, Divyansh, Kikunaga, Tomonosuke, Marmat, Piyush, Pandian, B. Arul, Prabu, T, Srivastava, Aman, Surnis, Mayuresh, Susarla, Sai Chaitanya, Susobhanan, Abhimanyu, Takahashi, Keitaro, Arumugam, P, Bagchi, Manjari, Banik, Sarmistha, De, Kishalay, Girgaonkar, Raghav, Gopakumar, A, Gupta, Yashwant, Maan, Yogesh, Manoharan, P. K, Naidu, Arun, Pathak, Dhruv

“…Publications of the Astronomical Society of Australia, Volume 39, 2022, e053 We present the pulse arrival times and high-precision dispersion measure estimates…”
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Unveiling a universal relationship between the f(R) parameter and neutron star properties by Nobleson, K, Banik, Sarmistha, Malik, Tuhin

“…In recent years, modified gravity theories have gained significant attention as potential replacements for the general theory of relativity. Neutron stars,…”
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Tidal deformability of neutron stars with exotic particles within a density dependent relativistic mean field model in R-squared gravity by Nobleson, K, Malik, Tuhin, Banik, Sarmistha

“…JCAP08(2021)012 There is a growing interest in investigating modified theories of gravity, primarily, with the aim of explaining the universe's accelerated…”
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Neutron Stars with realistic EoS in f(R) theories of gravity by Nobleson, K, Ali, Amna, Banik, Sarmistha

“…In this paper, we examine neutron star structure in perturbative $f(R)$ gravity models with realistic equation of state. We obtain mass-radius relations in two…”
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Improving DM estimates using low-frequency scattering-broadening estimates by Singha, Jaikhomba, Joshi, Bhal Chandra, Krishnakumar, M. A, Kareem, Fazal, Bathula, Adarsh, Dwivedi, Churchil, Jacob, Shebin Jose, Desai, Shantanu, Tarafdar, Pratik, Arumugam, P, Arumugam, Swetha, Bagchi, Manjari, Batra, Neelam Dhanda, Dandapat, Subhajit, Deb, Debabrata, Debnath, Jyotijwal, Gopakumar, A, Gupta, Yashwant, Hisano, Shinnosuke, Kato, Ryo, Kikunaga, Tomonosuke, Marmat, Piyush, Nobleson, K, Paladi, Avinash K, B, Arul Pandian, Prabu, Thiagaraj, Rana, Prerna, Srivastava, Aman, Surnis, Mayuresh, Susobhanan, Abhimanyu, Takahashi, Keitaro

“…A pulsar's pulse profile gets broadened at low frequencies due to dispersion along the line of sight or due to multi-path propagation. The dynamic nature of…”
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Low-frequency wideband timing of InPTA pulsars observed with the uGMRT by Nobleson, K, Agarwal, Nikita, Girgaonkar, Raghav, Pandian, Arul, Joshi, Bhal Chandra, Krishnakumar, M A, Susobhanan, Abhimanyu, Desai, Shantanu, Prabu, T, Bathula, Adarsh, Pennucci, Timothy T, Banik, Sarmistha, Bagchi, Manjari, Batra, Neelam Dhanda, Choudhary, Arpita, Dandapat, Subhajit, Dey, Lankeswar, Gupta, Yashwant, Hisano, Shinnosuke, Kato, Ryo, Kharbanda, Divyansh, Kikunaga, Tomonosuke, Kolhe, Neel, Maan, Yogesh, Marmat, Piyush, Arumugam, P, Manoharan, P K, Pathak, Dhruv, Singha, Jaikhomba, Surnis, Mayuresh P, Susarla, Sai Chaitanya, Takahashi, Keitaro

“…High-precision measurements of the pulsar dispersion measure (DM) are possible using telescopes with low-frequency wideband receivers. We present an initial…”
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Nanohertz Gravitational Wave Astronomy during the SKA Era: An InPTA perspective by Joshi, Bhal Chandra, Gopakumar, Achamveedu, Pandian, Arul, Prabu, Thiagaraj, Dey, Lankeswar, Bagchi, Manjari, Desai, Shantanu, Tarafdar, Pratik, Rana, Prerna, Maan, Yogesh, Batra, Neelam Dhanda, Girgaonkar, Raghav, Agarwal, Nikita, Arumugam, Paramasivan, Banik, Sarmistha, Basu, Avishek, Bathula, Adarsh, Dandapat, Subhajit, Gupta, Yashwant, Hisano, Shinnosuke, Kato, Ryo, Kharbanda, Divyansh, Kikunaga, Tomonosuke, Kolhe, Neel, Krishnakumar, M. A, Manoharan, P. K, Marmat, Piyush, Naidu, Arun, Nobleson, K, Paladi, Avinash Kumar, Pathak, Dhruv, Singha, Jaikhomba, Srivastava, Aman, Surnis, Mayuresh, Susarla, Sai Chaitanya, Susobhanan, Abhimanyu, Takahashi, Keitaro

“…Decades long monitoring of millisecond pulsars, which exhibit highly stable rotational periods, in pulsar timing array experiments is on the threshold of…”
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The second data release from the European Pulsar Timing Array: IV. Implications for massive black holes, dark matter and the early Universe by Antoniadis, J, Arumugam, P, Arumugam, S, Auclair, P, Babak, S, Bagchi, M, Nielsen, A. -S. Bak, Barausse, E, Bassa, C. G, Bathula, A, Berthereau, A, Bonetti, M, Bortolas, E, Brook, P. R, Burgay, M, Caballero, R. N, Chanlaridis, S, Chen, S, Cognard, I, Crisostomi, M, Dandapat, S, Deb, D, Desvignes, G, Dhanda-Batra, N, Dwivedi, C, Fastidio, F, Ferdman, R. D, Goncharov, B, Gopakumar, A, Graikou, E, Guillemot, L, Guo, Y. J, Gupta, Y, Hisano, S, Hu, H, Iraci, F, Izquierdo-Villalba, D, Jang, J, Janssen, G. H, Jessner, A, Kareem, F, Karuppusamy, R, Keane, E. F, Keith, M. J, Kharbanda, D, Khizriev, T, Kikunaga, T, Kolhe, N, Kramer, M, Krishnakumar, M. A, Lackeos, K, Lee, K. J, Liu, K, Liu, Y, McKee, J. W, Maan, Y, Main, R. A, Middleton, H, Neronov, A, Nitu, I. C, Nobleson, K, Paladi, A. K, Parthasarathy, A, Perera, B. B. P, Perrodin, D, Petiteau, A, Porayko, N. K, Possenti, A, Prabu, T, Postnov, K, Leclere, H. Quelquejay, Rana, P, Pol, A. Roper, Samajdar, A, Sanidas, S. A, Semikoz, D, Sesana, A, Singha, J, Smarra, C, Speri, L, Spiewak, R, Srivastava, A, Stappers, B. W, Steer, D. A, Surnis, M, Susarla, S. C, Susobhanan, A, Takahashi, K, Tarafdar, P, Theureau, G, Tiburzi, C, Truant, R. J, van der Wateren, E, Valtolina, S, Vecchio, A, Krishnan, V. Venkatraman, Verbiest, J. P. W, Wang, J, Wang, L, Wu, Z

“…The European Pulsar Timing Array (EPTA) and Indian Pulsar Timing Array (InPTA) collaborations have measured a low-frequency common signal in the combination of…”
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High Precision Measurements of Interstellar Dispersion Measure with the upgraded GMRT by Krishnakumar, M. A, Manoharan, P. K, Joshi, Bhal Chandra, Girgaonkar, Raghav, Desai, Shantanu, Bagchi, Manjari, Nobleson, K, Dey, Lankeswar, Susobhanan, Abhimanyu, Susarla, Sai Chaitanya, Surnis, Mayuresh P, Maan, Yogesh, Gopakumar, A, Basu, Avishek, Batra, Neelam Dhanda, Choudhary, Arpita, De, Kishalay, Gupta, Yashwant, Naidu, Arun Kumar, Pathak, Dhruv, Singha, Jaikhomba, Prabu, T

“…A&A 651, A5 (2021) Pulsar radio emission undergoes dispersion due to the presence of free electrons in the interstellar medium (ISM). The dispersive delay in…”
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pinta: The uGMRT Data Processing Pipeline for the Indian Pulsar Timing Array by Susobhanan, Abhimanyu, Maan, Yogesh, Joshi, Bhal Chandra, Prabu, T, Desai, Shantanu, Nobleson, K, Susarla, Sai Chaitanya, Girgaonkar, Raghav, Dey, Lankeswar, Batra, Neelam Dhanda, Gupta, Yashwant, Gopakumar, A, Bagchi, Manjari, Basu, Avishek, Bethapudi, Suryarao, Choudhary, Arpita, De, Kishalay, Krishnakumar, M. A, Manoharan, P. K, Naidu, Arun Kumar, Pathak, Dhruv, Singha, Jaikhomba, Surnis, Mayuresh P

“…Publications of the Astronomical Society of Australia, 38, E017 (2021) We introduce pinta, a pipeline for reducing the upgraded Giant Metre-wave Radio…”
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