activity
20212023
most citedThe second data release from the European Pulsar Timing Array III. Search for gravitational wave signals

1k citations · 1.4k across the 9 of their papers we have counts for

collaborators

10 papers

astro-ph.HE2023

Comparing recent PTA results on the nanohertz stochastic gravitational wave background

The International Pulsar Timing Array Collaboration, G. Agazie, J. Antoniadis +242

The Australian, Chinese, European, Indian, and North American pulsar timing array (PTA) collaborations recently reported, at varying levels, evidence for the presence of a nanohert…

astro-ph.HE2023★ 1k cited

The second data release from the European Pulsar Timing Array III. Search for gravitational wave signals

J. Antoniadis, P. Arumugam, S. Arumugam +95

We present the results of the search for an isotropic stochastic gravitational wave background (GWB) at nanohertz frequencies using the second data release of the European Pulsar T…

astro-ph.CO2023★ 111 cited

The second data release from the European Pulsar Timing Array: IV. Implications for massive black holes, dark matter and the early Universe

J. Antoniadis, P. Arumugam, S. Arumugam +111

The European Pulsar Timing Array (EPTA) and Indian Pulsar Timing Array (InPTA) collaborations have measured a low-frequency common signal in the combination of their second and fir…

astro-ph.HE2023★ 76 cited

The second data release from the European Pulsar Timing Array V. Search for continuous gravitational wave signals

J. Antoniadis, P. Arumugam, S. Arumugam +97

We present the results of a search for continuous gravitational wave signals (CGWs) in the second data release (DR2) of the European Pulsar Timing Array (EPTA) collaboration. The m…

astro-ph.IM2023★ 5 cited

Multi-band Extension of the Wideband Timing Technique

Avinash Kumar Paladi, Churchil Dwivedi, Prerna Rana +27

The wideband timing technique enables the high-precision simultaneous estimation of pulsar Times of Arrival (ToAs) and Dispersion Measures (DMs) while effectively modeling frequenc…

astro-ph.HE2023★ 15 cited

Noise analysis of the Indian Pulsar Timing Array data release I

Aman Srivastava, Shantanu Desai, Neel Kolhe +28

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 uGMRT observations. We pr…

astro-ph.HE2022★ 24 cited

Nanohertz Gravitational Wave Astronomy during the SKA Era: An InPTA perspective

Bhal Chandra Joshi, Achamveedu Gopakumar, Arul Pandian +34

Decades long monitoring of millisecond pulsars, which exhibit highly stable rotational periods, in pulsar timing array experiments is on the threshold of discovering nanohertz stoc…

astro-ph.IM2022★ 82 cited

The Indian Pulsar Timing Array: First data release

Pratik Tarafdar, Nobleson K., Prerna Rana +35

We present the pulse arrival times and high-precision dispersion measure estimates for 14 millisecond pulsars observed simultaneously in the 300-500 MHz and 1260-1460 MHz frequency…

astro-ph.IM2021★ 19 cited

Low-frequency wideband timing of InPTA pulsars observed with the uGMRT

K Nobleson, Nikita Agarwal, Raghav Girgaonkar +29

High-precision measurements of the pulsar dispersion measure (DM) are possible using telescopes with low-frequency wideband receivers. We present an initial study of the applicatio…

astro-ph.HE2021★ 35 cited

Evidence for profile changes in PSR J1713+0747 using the uGMRT

Jaikhomba Singha, Mayuresh P Surnis, Bhal Chandra Joshi +29

PSR J1713+0747 is one of the most precisely timed pulsars in the international pulsar timing array experiment. This pulsar showed an abrupt profile shape change between April 16, 2…