MK
M. A. Krishnakumar
astro-ph.HEastro-ph.IMastro-ph.SRastro-ph.COastro-ph.GAgr-qcastro-ph.EPhep-phhep-th
On Valency
published · living versionsW_cysfnubj·v1 · currentpublished
The second data release from the European Pulsar Timing Array: IV. Implications for massive black holes, dark matter and the early Universe
with J. Antoniadis, P. Arumugam, S. Arumugam, P. Auclair +109
1 version
W_7v884hrf·v1published
Preprints & journals
45 papers in the corpus · 2015–2026Probing Variations in Earth's Ionosphere Using Pulsars2608.06744v1 · Yanqing Cai, Ziwei Wu, Weiwei Zhu et al.2026 · 0 citationsarXiv
Profile Reconstruction from Temporally Stable Emission Components for Timing PSR J1713+07472608.04108v1 · Shaswata Chowdhury, M. A. Krishnakumar, Sharika Dhakappa et al.2026 · 0 citationsarXiv
Pulsar scintillation studies with LOFAR III. Annual variations in PSR~J0814$+$74292604.02681v1 · Yanqing Cai, Ziwei Wu, Weiwei Zhu et al.2026 · 0 citationsA&A 710, A52 (2026)
The Indian Pulsar Timing Array Data Release 2: II. Customised Single-Pulsar Noise Analysis and Noise Budget2512.20455v2 · K. Nobleson, Churchil Dwivedi, Shantanu Desai et al.2025 · 3 citationsarXiv
Recovering Intrinsic Pulsar Profiles and Scattering Parameters with a CLEAN-Based Algorithm for High-Precision Timing2511.22299v1 · Adarsh Bathula, M. A. Krishnakumar, S. Jena2025 · 0 citationsarXiv
Effects of Coronal Mass Ejection on PSR J1022+1001 and Possible Mode Change of PSR J2145-0750 in the InPTA DR22510.26594v2 · Shaswata Chowdhury, M. A. Krishnakumar, Manjari Bagchi et al.2025 · 3 citationsJournal of High Energy Astrophysics Volume 51, March 2026, 100547
Anomalous scattering of pulsars towards the Gum Nebula2510.19388v3 · M. A. Krishnakumar, Bhal Chandra Joshi, P. K. Manoharan2025 · 0 citationsarXiv
Combining the second data release of the European Pulsar Timing Array with low-frequency pulsar data2510.04639v2 · F. Iraci, A. Chalumeau, C. Tiburzi et al.2025 · 5 citationsarXiv
The Indian Pulsar Timing Array Data Release 2: I. Dataset and Timing Analysis2506.16769v1 · Prerna Rana, Pratik Tarafdar, Nobleson K et al.2025 · 8 citationsarXiv
Post-glitch Recovery and the Neutron Star Structure: The Vela Pulsar2506.02100v2 · Himanshu Grover, Erbil Gugercinoglu, Bhal Chandra Joshi et al.2025 · 0 citationsarXiv
Searches for signatures of ultra-light axion dark matter in polarimetry data of the European Pulsar Timing Array2412.02232v1 · N. K. Porayko, P. Usynina, J. Terol-Calvo et al.2024 · 5 citationsarXiv
Pulsar timing methods for evaluating dispersion measure time series2410.22170v1 · F. Iraci, A. Chalumeau, C. Tiburzi et al.2024 · 14 citationsarXiv
Exploring the time variability of the Solar Wind using LOFAR pulsar data2409.09838v1 · S. C. Susarla, A. Chalumeau, C. Tiburzi et al.2024 · 18 citationsA&A 692, A18 (2024)
Second Data Release from the European Pulsar Timing Array: Challenging the Ultralight Dark Matter Paradigm.37955508 · Smarra, Clemente, Goncharov, Boris, Barausse, Enrico et al.2023 · 79 citationsPhysical review letters. 2023;131(17):171001
Improving DM estimates using low-frequency scattering-broadening estimates2309.16765v2 · Jaikhomba Singha, Bhal Chandra Joshi, M. A. Krishnakumar et al.2023 · 2 citationsarXiv
Comparing recent PTA results on the nanohertz stochastic gravitational wave background2309.00693v1 · G. Agazie, J. Antoniadis, A. Anumarlapudi et al.2023 · 17 citationsarXiv
Periodic interstellar scintillation variations of PSRs~J0613$-$0200 and J0636+5128 associated with the Local Bubble shell2307.09745v2 · Yulan Liu, Robert A. Main, Joris P. W. Verbiest et al.2023 · 17 citationsarXiv
The second data release from the European Pulsar Timing Array III. Search for gravitational wave signals2306.16214v1 · J. Antoniadis, P. Arumugam, S. Arumugam et al.2023 · 1,047 citationsA&A 678, A50 (2023)on Valency
The second data release from the European Pulsar Timing Array I. The dataset and timing analysis2306.16224v1 · J. Antoniadis, S. Babak, A.-S. Bak Nielsen et al.2023 · 309 citationsarXiv
The second data release from the European Pulsar Timing Array II. Customised pulsar noise models for spatially correlated gravitational waves2306.16225v1 · J. Antoniadis, P. Arumugam, S. Arumugam et al.2023 · 100 citationsA&A 678, A49 (2023)
The second data release from the European Pulsar Timing Array V. Search for continuous gravitational wave signals2306.16226v3 · J. Antoniadis, P. Arumugam, S. Arumugam et al.2023 · 94 citationsA&A 690, A118 (2024)
The second data release from the European Pulsar Timing Array: IV. Implications for massive black holes, dark matter and the early Universe2306.16227v2 · J. Antoniadis, P. Arumugam, S. Arumugam et al.2023 · 67 citationsarXivon Valency
Practical approaches to analyzing PTA data: Cosmic strings with six pulsars2306.12234v3 · Hippolyte Quelquejay Leclere, Pierre Auclair, Stanislav Babak et al.2023 · 28 citationsPhys. Rev. D 108 (2023), 123527
Multi-band Extension of the Wideband Timing Technique2304.13072v2 · Avinash Kumar Paladi, Churchil Dwivedi, Prerna Rana et al.2023 · 5 citationsarXiv
Noise analysis of the Indian Pulsar Timing Array data release I2303.12105v2 · Aman Srivastava, Shantanu Desai, Neel Kolhe et al.2023 · 17 citationsarXiv
Pulsar Scintillation Studies with LOFAR: II. Dual-frequency scattering study of PSR J0826+2637 with LOFAR and NenuFAR2302.02722v2 · Ziwei Wu, William A. Coles, Joris P. W. Verbiest et al.2023 · 8 citationsarXiv
Nanohertz Gravitational Wave Astronomy during the SKA Era: An InPTA perspective2207.06461v1 · Bhal Chandra Joshi, Achamveedu Gopakumar, Arul Pandian et al.2022 · 24 citationsarXiv
The Indian Pulsar Timing Array: First data release2206.09289v3 · Pratik Tarafdar, Nobleson K., Prerna Rana et al.2022 · 85 citationsPublications of the Astronomical Society of Australia, Volume 39, 2022, e053
Long-term scintillation studies of EPTA pulsars. I. Observations and basic results2203.16950v2 · Yulan Liu, Joris P. W. Verbiest, Robert A. Main et al.2022 · 23 citationsA&A 664, A116 (2022)
Pulsar scintillation studies with LOFAR. I. The census2203.10409v1 · Ziwei Wu, Joris P.W. Verbiest, Robert A. Main et al.2022 · 28 citationsA&A 663, A116 (2022)
Low-frequency wideband timing of InPTA pulsars observed with the uGMRT2112.06908v3 · K Nobleson, Nikita Agarwal, Raghav Girgaonkar et al.2021 · 20 citationsarXiv
Evidence for profile changes in PSR J1713+0747 using the uGMRT2107.04607v2 · Jaikhomba Singha, Mayuresh P Surnis, Bhal Chandra Joshi et al.2021 · 35 citationsarXiv
A real-time Automated Glitch Detection Pipeline at Ooty Radio Telescope2106.01942v2 · Jaikhomba Singha, Avishek Basu, M. A. Krishnakumar et al.2021 · 10 citationsMonthly Notices of the Royal Astronomical Society, 505, 4, 2021, 5488-5496
High Precision Measurements of Interstellar Dispersion Measure with the upgraded GMRT2101.05334v4 · M. A. Krishnakumar, P. K. Manoharan, Bhal Chandra Joshi et al.2021 · 24 citationsA&A 651, A5 (2021)
Observed glitches in 8 young pulsars1911.04934v2 · Avishek Basu, Bhal Chandra Joshi, M. A. Krishnakumar et al.2019 · 19 citationsMNRAS, Vol 491, Issue 3, Jan 2020, pages 3182-3191
Multi-frequency scatter broadening evolution of pulsars - II. Scatter broadening of nearby pulsars1905.01651v1 · M. A. Krishnakumar, Yogesh Maan, Bhal Chandra Joshi et al.2019 · 21 citationsarXiv
Timing Offset Calibration of CZTI instrument aboard ASTROSAT1806.01066v2 · Avishek Basu, Bhal Chandra Joshi, Dipankar Bhattacharya et al.2018 · 6 citationsA&A 617, A22 (2018)
GMRT Galactic Plane Pulsar and Transient Survey and the Discovery of PSR J1838+15231805.05260v1 · Mayuresh P. Surnis, Bhal Chandra Joshi, Maura A. McLaughlin et al.2018 · 2 citationsarXiv
Detection of long nulls in PSR B1706$-$16, a pulsar with large timing irregularities1712.04455v1 · Arun Naidu, Bhal Chandra Joshi, P.K Manoharan et al.2017 · 16 citationsarXiv
Detection of radio emission from the gamma-ray pulsar J1732-3131 at 327 MHz1706.08613v1 · Yogesh Maan, M. A. Krishnakumar, Arun K. Naidu et al.2017 · 4 citationsarXiv
Multi-frequency scatter broadening evolution of pulsars - I1706.05799v1 · M.A. Krishnakumar, Bhal Chandra Joshi, P.K. Manoharan2017 · 32 citationsarXiv
Simultaneous multi-frequency single pulse observations of pulsars1704.05048v1 · Arun Naidu, Bhal Chandra Joshi, P.K Manoharan et al.2017 · 21 citationsA&A 604, A45 (2017)
Radio Pulsation Search and Imaging Study of SGR J1935+21541605.08276v1 · Mayuresh Surnis, Bhal Chandra Joshi, Yogesh Maan et al.2016 · 21 citationsThe Astrophysical Journal, July 2016, Volume 826, Number 2
PONDER - A Real time software backend for pulsar and IPS observations at the Ooty Radio Telescope1503.01405v1 · Arun Naidu, B.C Joshi, P.K Manoharan et al.2015 · 27 citationsarXiv
Scatter broadening measurements of 124 pulsars at 327 MHz1501.05401v1 · M.A. Krishnakumar, Dipanjan Mitra, Arun Naidu et al.2015 · 94 citationsarXiv
Career total: at least 75 works. 45 are in this corpus.
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