VK
V. Venkatraman Krishnan
astro-ph.HEastro-ph.SRastro-ph.IMastro-ph.GAgr-qcastro-ph.COhep-phhep-thnucl-thphysics.plasm-ph
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
98 papers in the corpus · 2016–2026The first MeerKAT S-band globular cluster pulsar survey2609.10184v1 · Rouhin Nag, Marta Burgay, Alessandro Ridolfi et al.2026 · 0 citationsarXiv
The youngest white dwarf companion to a millisecond pulsar: Insights from NGC 362D2609.05608v1 · Greta Ettorre, Emanuele Dalessandro, Mario Cadelano et al.2026 · 0 citationsarXiv
Sub-Millisecond Pulsars: Missing or Impossible?2608.23704v1 · T.M. Tauris, V. Venkatraman Krishnan, R. Senzel et al.2026 · 0 citationsarXiv
Detection of relativistic orbital deformation from improved timing of PSR J1757$-$18542606.23926v2 · Jaikhomba Singha, Vivek Venkatraman Krishnan, Marisa Geyer et al.2026 · 0 citationsarXiv
Discovery of a 24-millisecond pulsar in a very long orbit with the Murchison Widefield Array2606.18823v1 · Chia Min Tan, N. D. Ramesh Bhat, Bradley W. Meyers et al.2026 · 0 citationsarXiv
Variability of Sagittarius A* at 3 GHz on minute-scale with MeerKAT2604.22638v1 · K. Kaur, I. Rammala-Zitha, A. Basu et al.2026 · 0 citationsA&A 710, L6 (2026)
A joint MeerKAT and Parkes view of Omega Centauri: New TRAPUM Searches and Pulsar Timing2603.21845v1 · Miquel Colom i Bernadich, Shi Dai, Federico Abbate et al.2026 · 0 citationsarXiv
Long-term timing of the relativistic binary PSR J1906+07462602.05947v1 · L. Vleeschower, B.W. Stappers, M. J. Keith et al.2026 · 0 citationsarXiv
Radio timing constraints on the orbital orientation and component masses of PSR J1455$-$33302601.08541v1 · D.S. Pillay, V. Venkatraman Krishnan, David J. Champion et al.2026 · 0 citationsarXiv
Pulsars in Globular Clusters With the SKAO2512.16154v1 · Manjari Bagchi, Federico Abbate, Vishnu Balakrishnan et al.2025 · 0 citationsarXiv
Testing Gravity with Binary Pulsars in the SKA Era2512.16161v1 · V. Venkatraman Krishnan, L. Shao, V. Balakrishnan et al.2025 · 0 citationsOpen J. Astrophys. 8 (2025) 154246
NGC 1851A: Revealing an ongoing three-body encounter in a dense globular cluster2503.05466v1 · A. Dutta, P.C.C. Freire, T. Gautam et al.2025 · 6 citationsA&A 697, A166 (2025)
Timing and noise analysis of five millisecond pulsars observed with MeerKAT2501.07728v3 · M. Chisabi, S. Andrianomena, U. Enwelum et al.2025 · 4 citationsarXiv
Searches for signatures of ultra-light axion dark matter in polarimetry data of the European Pulsar Timing Array2412.02232v1 · N. K. Porayko, P. Usynina, J. Terol-Calvo et al.2024 · 5 citationsarXiv
The MeerKAT Pulsar Timing Array: The -year data release and the noise and stochastic signals of the millisecond pulsar population2412.01148v1 · Matthew T. Miles, Ryan M. Shannon, Daniel J. Reardon et al.2024 · 47 citationsarXiv
The MeerKAT Pulsar Timing Array: The first search for gravitational waves with the MeerKAT radio telescope2412.01153v1 · Matthew T. Miles, Ryan M. Shannon, Daniel J. Reardon et al.2024 · 99 citationsarXiv
The MeerKAT Pulsar Timing Array: Maps of the gravitational-wave sky with the 4.5 year data release2412.01214v1 · Kathrin Grunthal, Rowina S. Nathan, Eric Thrane et al.2024 · 21 citationsarXiv
Radio and gamma-ray timing of TRAPUM L-band Fermi pulsar survey discoveries2411.14895v1 · M. Burgay, L. Nieder, C. J. Clark et al.2024 · 5 citationsA&A, 691, A315 (2024)
Bow Shock and Local Bubble Plasma Unveiled by the Scintillating Millisecond Pulsar J0437$-$47152410.21390v2 · Daniel J. Reardon, Robert Main, Stella Koch Ocker et al.2024 · 14 citationsarXiv
MeerKAT observations of pair-plasma induced birefringence in the double pulsar eclipses2410.12510v1 · M. E. Lower, M. Kramer, S. Johnston et al.2024 · 2 citationsarXiv
TRAPUM pulsar and transient search in the Sextans A and B galaxies and discovery of background FRB 20210924D2410.04658v1 · E. Carli, L. Levin, B. W. Stappers et al.2024 · 3 citationsarXiv
Triple trouble with PSR J1618-3921: Mass measurements and orbital dynamics of an eccentric millisecond pulsar2409.03615v1 · K. Grunthal, V. Venkatraman Krishnan, P. C. C. Freire et al.2024 · 1 citationA&A 691, A22 (2024)
The TRAPUM Large Magellanic Cloud pulsar survey with MeerKAT I: Survey setup and first seven pulsar discoveries2408.04899v1 · V. Prayag, L. Levin, M. Geyer et al.2024 · 7 citationsarXiv
The TRAPUM Small Magellanic Cloud pulsar survey with MeerKAT -- II. Nine new radio timing solutions and glitches from young pulsars2408.01965v1 · E. Carli, D. Antonopoulou, M. Burgay et al.2024 · 1 citationarXiv
PSR J1227$-$6208 and its massive white dwarf companion: pulsar emission analysis, timing update and mass measurements2407.13593v1 · Miquel Colom i Bernadich, Vivek Venkatraman Krishnan, David J. Champion et al.2024 · 2 citationsA&A 690, A253 (2024)
TRAPUM search for pulsars in supernova remnants and pulsar wind nebulae -- I. Survey description and initial discoveries2405.11899v1 · J. D. Turner, B. W. Stappers, E. Carli et al.2024 · 9 citationsarXiv
The TRAPUM Small Magellanic Cloud pulsar survey with MeerKAT: I. Discovery of seven new pulsars and two Pulsar Wind Nebula associations2405.12029v1 · E. Carli, L. Levin, B. W. Stappers et al.2024 · 10 citationsarXiv
Discovery and timing of ten new millisecond pulsars in the globular cluster Terzan 52403.17799v2 · P.V. Padmanabh, S.M. Ransom, P.C.C. Freire et al.2024 · 35 citationsA&A 686, A166 (2024)
Discoveries and Timing of Pulsars in M622403.12137v1 · L. Vleeschower, A. Corongiu, B. W. Stappers et al.2024 · 14 citationsarXiv
A targeted radio pulsar survey of redback candidates with MeerKAT2403.09553v1 · T. Thongmeearkom, C. J. Clark, R. P. Breton et al.2024 · 19 citationsarXiv
A pulsar in a binary with a compact object in the mass gap between neutron stars and black holes.38236981 · Barr, Ewan D, Dutta, Arunima, Freire, Paulo C C et al.2024 · 91 citationsScience (New York, N.Y.). 2024;383(6680):275-279
Detection of the relativistic Shapiro delay in a highly inclined millisecond pulsar binary PSR J1012$-$42352311.13563v1 · T. Gautam, P. C. C. Freire, J. Wu et al.2023 · 11 citationsarXiv
A MeerKAT view of the double pulsar eclipses -- Geodetic precession of pulsar B and system geometry2311.06445v2 · M. E. Lower, M. Kramer, R. M. Shannon et al.2023 · 9 citationsA&A 682, A26 (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
The MPIfR-MeerKAT Galactic Plane Survey II. The eccentric double neutron star system PSR J1208-5936 and a neutron star merger rate update2308.16802v2 · M. Colom i Bernadich, V. Balakrishnan, E. Barr et al.2023 · 0 citationsA&A 678, A187 (2023)
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
Mass measurements and 3D orbital geometry of PSR J1933$-$62112304.09060v1 · M. Geyer, V. Venkatraman Krishnan, P.C.C. Freire et al.2023 · 14 citationsA&A 674, A169 (2023)
Radio timing constraints on the mass of the binary pulsar PSR J1528-31462304.06578v1 · A. Berthereau, L. Guillemot, P. C. C. Freire et al.2023 · 12 citationsA&A 674, A71 (2023)
The MPIfR-MeerKAT Galactic Plane survey I -- System setup and early results2303.09231v2 · P.V. Padmanabh, E.D. Barr, S.S. Sridhar et al.2023 · 56 citationsarXiv
A new pulsar timing model for scalar-tensor gravity with applications to PSR J2222-0137 and pulsar-black hole binaries2303.03824v1 · A. Batrakov, H. Hu, N. Wex et al.2023 · 6 citationsarXiv
Missing for 20 years: MeerKAT re-detects the elusive binary pulsar M30B2301.04983v1 · Vishnu Balakrishnan, Paulo Freire, Scott Ransom et al.2023 · 17 citationsarXiv
MeerKAT discovery of 13 new pulsars in Omega Centauri2301.03864v1 · W. Chen, P. C. C. Freire, A. Ridolfi et al.2023 · 23 citationsarXiv
PSR~J1910$-$5959A: A rare gravitational laboratory for testing white dwarf models2301.04055v2 · A. Corongiu, V. Venkatraman Krishnan, P. C. C. Freire et al.2023 · 15 citationsA&A 671, A72 (2023)
The TRAPUM L-band survey for pulsars in Fermi-LAT gamma-ray sources2212.08528v1 · C. J. Clark, R. P. Breton, E. D. Barr et al.2022 · 40 citationsMNRAS, 519, 5590-5606 (2023)
The MeerKAT Pulsar Timing Array: First Data Release2212.04648v1 · Matthew T. Miles, Ryan M. Shannon, Matthew Bailes et al.2022 · 102 citationsarXiv
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