Sitemap

A list of all the posts and pages found on the site. For you robots out there is an XML version available for digesting as well.

Page Not Found

Page not found. Your pixels are in another canvas.

Jupyter notebook markdown generator

Posts

Future Blog Post

less than 1 minute read

Published: January 01, 2199

This post will show up by default. To disable scheduling of future posts, edit config.yml and set future: false.

Blog Post number 4

less than 1 minute read

Published: August 14, 2015

This is a sample blog post. Lorem ipsum I can’t remember the rest of lorem ipsum and don’t have an internet connection right now. Testing testing testing this blog post. Blog posts are cool.

Blog Post number 3

less than 1 minute read

Published: August 14, 2014

This is a sample blog post. Lorem ipsum I can’t remember the rest of lorem ipsum and don’t have an internet connection right now. Testing testing testing this blog post. Blog posts are cool.

Blog Post number 2

less than 1 minute read

Published: August 14, 2013

This is a sample blog post. Lorem ipsum I can’t remember the rest of lorem ipsum and don’t have an internet connection right now. Testing testing testing this blog post. Blog posts are cool.

Blog Post number 1

less than 1 minute read

Published: August 14, 2012

This is a sample blog post. Lorem ipsum I can’t remember the rest of lorem ipsum and don’t have an internet connection right now. Testing testing testing this blog post. Blog posts are cool.

portfolio

Portfolio item number 1

Short description of portfolio item number 1

Portfolio item number 2

Short description of portfolio item number 2

publications

Solving post-Newtonian accurate Kepler equation

Published in Physical Review D, 2017

We solve the third post-Newtonian accurate Kepler equation associated with the motion of relativistic binaries.

Recommended citation: Boetzel, A et al. (2017). "Solving post-Newtonian accurate Kepler equation." PRD. 96, 044011. https://doi.org/10.1103/PhysRevD.96.044011

Exploring the effect of periastron advance in small-eccentricity binary pulsars

Published in Monthly Notices of the Royal Astronomical Society, 2018

We investigate the effects of advance of pericentre in nearly circular pulsar binaries.

Recommended citation: Susobhanan, A et al. (2018). "Exploring the effect of periastron advance in small-eccentricity binary pulsars." MNRAS. 480, 4, 5260–5271. https://doi.org/10.1093/mnras/sty2177

Precision pulsar timing with the ORT and the GMRT and its applications in pulsar astrophysics

Published in Journal of Astrophysics and Astronomy, 2018

Article introducing the Indian Pulsar Timing Array experiment.

Recommended citation: Joshi, BC et al. (2018). "Precision pulsar timing with the ORT and the GMRT and its applications in pulsar astrophysics." JApA. 39, 4, 10. https://doi.org/10.1007/s12036-018-9549-y

The Unique Blazar OJ 287 and Its Massive Binary Black Hole Central Engine

Published in Universe, 2019

A review article describing the binary black hole central engine model of the blazar OJ 287.

Recommended citation: Dey, L et al. (2019). ".The Unique Blazar OJ 287 and Its Massive Binary Black Hole Central Engine." Universe. 5, 5, 108. https://doi.org/10.3390/universe5050108

Pulsar timing array signals induced by black hole binaries in relativistic eccentric orbits

Published in Physical Review D, 2020

We present a computationally efficient method to compute PTA signals due to eccentric supermassive black hole binaries.

Recommended citation: Susobhanan, A et al. (2020). "Pulsar timing array signals induced by black hole binaries in relativistic eccentric orbits." PRD. 101, 043022. https://doi.org/10.1103/PhysRevD.101.043022

Explaining temporal variations in the jet position angle of blazar OJ 287 using its binary black hole central engine model

Published in Monthly Notices of the Royal Astronomical Society, 2021

We model the radio jet position angle variations of the blazar OJ 287 using its binary black hole central engine model.

Recommended citation: Dey, L et al. (2021); "Explaining temporal variations in the jet position angle of blazar OJ 287 using its binary black hole central engine model." MNRAS. 503, 3, 4400–4412. https://doi.org/10.1093/mnras/stab730

pinta: The uGMRT data processing pipeline for the Indian Pulsar Timing Array

Published in Publications of the Astronomical Society of Australia, 2021

We present a data reduction pipeline for the upgrated Giant Metre-wave Radio Telescope pulsar observations.

Recommended citation: Susobhanan, A et al. (2021). "pinta: The uGMRT data processing pipeline for the Indian Pulsar Timing Array." PASA. 38, e017. https://doi.org/10.1017/pasa.2021.12

High precision measurements of interstellar dispersion measure with the upgraded GMRT

Published in Astronomy & Astrophysics, 2021

We present high-precision estimates of interstellar dispersion measure for four pulsars over a year.

Recommended citation: Krishnakumar, MA et al. (2021). "High precision measurements of interstellar dispersion measure with the upgraded GMRT." A&A. 651, A5. https://doi.org/10.1051/0004-6361/202140340

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

Published in Monthly Notices of the Royal Astronomical Society: Letters, 2021

We investigate the 2021 profile change event in PSR J1713+0747 using the upgraded Giant Metre-wave Radio Telescope.

Recommended citation: Singha, J et al. (2021); "Evidence for profile changes in PSR J1713+0747 using the uGMRT." MNRASL; 507, 1, L57–L61. https://doi.org/10.1093/mnrasl/slab098

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

Published in Monthly Noticed of the Royal Astronomical Society, 2022

Application of the wideband timing method by Tim Pennucci for low-frequency data from the GMRT. This method allows us to simultaneously measure the pulse time of arrival and the dispersion measure for a pulsar observation while dealing with frequency-dependent profile evolution.

Recommended citation: Nobleson, K et al. (2022); "Low-frequency wideband timing of InPTA pulsars observed with the uGMRT." MNRAS; 512, 1, 1234-1243. https://doi.org/10.1093/mnras/stac532

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

Published in Journal of Astrophysics and Astronomy, 2022

Lessons on observation strategies and analysis methods learned from the InPTA experiment relevant for a future PTA experiment with the Square Kilometer Array (SKA) telescope.

Recommended citation: Joshi, BC et al. (2022); "Nanohertz Gravitational Wave Astronomy during the SKA Era: An InPTA perspective." JApA. 43, 2, 98. https://doi.org/10.1007/s12036-022-09869-w

Post-Newtonian-accurate pulsar timing array signals induced by inspiralling eccentric binaries: accuracy, computational cost, and single-pulsar search

Published in arXiv eprints, 2022

Computationally effiecient strategies for computing pulsar timing array signals induced by inspiralling eccentric binaries.

Recommended citation: Susobhanan, A. (2022); "Post-Newtonian-accurate pulsar timing array signals induced by inspiralling eccentric binaries: accuracy, computational cost, and single-pulsar search." arXiv eprints; 2210.11454.

The Indian Pulsar Timing Array: First data release

Published in Publications of the Astronomical Society of Australia, 2022

The first data release of the Indian Pulsar Timing Array experiment including times of arrival (TOAs) and dispersion measure (DM) time series for 14 millisecond pulsars spanning 3.5 years.

Recommended citation: Tarafdar, P et al. (2022); "The Indian Pulsar Timing Array: First data release." Publications of the Astronomical Society of Australia; 39, e053. https://doi.org/10.1017/pasa.2022.46

Noise analysis in the Indian Pulsar Timing Array Data Release I

Published in arXiv eprints, 2023

Single-pulsar noise characterization of the InPTA DR1.

Recommended citation: Srivastava, A et al. (2023); "Noise analysis in the Indian Pulsar Timing Array Data Release I." arXiv eprints 2303.12105.

Multi-band Extension of the Wideband Timing Technique

Published in arXiv eprints, 2023

Extension of the wide-band pulsar timing technique to combine simultaneous multi-band observations of the same pulsar.

Recommended citation: Paladi, A K et al. (2023); "Multi-band Extension of the Wideband Timing Technique." arXiv eprints 2304.13072.

Gravitational waves from black-hole encounters: Prospects for ground and galaxy-based observatories

Published in arXiv eprints, 2023

Gravitational waveforms and PTA signals from hyperbolic encounters of black holes.

Recommended citation: Dandapat, S et al. (2023); "Gravitational waves from black-hole encounters: Prospects for ground and galaxy-based observatories." arXiv eprints 2305.19318.