Gayathri V

Gayathri V

she/her

Astrophysicists

Publications

Peer-Reviewed Publications

  1. Shubhagata Bhaumik, V. Gayathri, Imre Bartos, Jeremiah Anglin, Gregorio Carullo, James Healy, Sergey Klimenko, Jacob Lange, Carlos Lousto, Tanmaya Mishra, Marek J. Szczepańczyk, “Gravitational Wave Detector Sensitivity to Eccentric Black Hole Mergers”, arXiv:2410.15192, 2024.
  2. Tanmaya Mishra, Shubhagata Bhaumik, V. Gayathri, Marek J. Szczepańczyk, Imre Bartos, Sergey Klimenko, “Gravitational Waves Detected by a Burst Search in LIGO/Virgo’s Third Observing Run”, arXiv:2410.15191, 2024.
  3. Leigh Smith, Sayantan Ghosh, Jiyoon Sun,V. Gayathri, Ik Siong Heng, Archana Pai,“The enhancement of Gaussian mixture modelling as an application to the coherent WaveBurst algorithm in the search for short gravitational wave transients”,arXiv:2407.16414, 2024.
  4. V. Gayathri, I. Bartos, S. Rosswog, M. C. Miller, D. Veske, W. Lu, S. Marka, “Do gravitational wave observations in the lower mass gap favor a hierarchical triple origin?”, arXiv:2307.09097, 2023.
  5. Marek J. Szczepańczyk, Yanyan Zheng, …, V. Gayathri, et al., “An Optically Targeted Search for Gravitational Waves emitted by Core-Collapse Supernovae during the Third Observing Run of Advanced LIGO and Advanced Virgo”, arXiv:2305.16146, 2023.
  6. I. Bartos, S. Rosswog, V. Gayathri, M. C. Miller, D. Veske, S. Marka, “Hierarchical Triples as Early Sources of r-process Elements”, arXiv:2302.10350, 2023.
  7. V. Gayathri, Daniel Wysocki, Y. Yang, I. Bartos, and R. O’Shaughnessy, “Gravitational wave source populations: Disentangling an AGN component”, ApJL 945 L29, 2023.
  8. Marek J. Szczepańczyk, Francesco Salemi, Sophie Bini, Tanmaya Mishra, Gabriele Vedovato, V. Gayathri, et al., “All-sky search for gravitational-wave bursts in the third Advanced LIGO-Virgo run with coherent WaveBurst enhanced by Machine Learning”, Phys. Rev. D 107, 062002, 2023.
  9. H. L. Iglesias, J. Lange, I. Bartos, S. Bhaumik, R. Gamba, V. Gayathri, et al., “Reassessing candidate eccentric binary black holes: Results with a model including higher-order modes”, arXiv:2208.01766, 2022.
  10. Dixeena Lopez, V. Gayathri, Archana Pai, Ik Siong Heng, Chris Messenger, Sagar Kumar Gupta, “Application of Gaussian mixture modeling in all-sky short duration gravitational-wave burst search”, Phys. Rev. D 105, 063024, 2022.
  11. T. Mishra, B. O’Brien, M. Szczepańczyk, G. Vedovato, S. Bhaumik, V. Gayathri, et al., “Search for binary black hole mergers in the third observing run of Advanced LIGO-Virgo using coherent WaveBurst enhanced with Machine Learning”, Phys. Rev. D 105, 083018, 2022.
  12. V. Gayathri, J. Healy, J. Lange, B. O’Brien, M. Szczepańczyk, I. Bartos, et al., “GW190521 as a Highly Eccentric Black Hole Merger”, Nature Astronomy, arXiv:2009.05461, 2021.
  13. O’Brien, Brendan, Szczepańczyk, Marek, V. Gayathri, et al., “Detection of LIGO-Virgo binary black holes in the pair-instability mass gap”, Phys. Rev. D 104, 082003, 2021.
  14. Tanmaya Mishra, Brendan O’Brien, V. Gayathri, et al., “Optimization of model-independent gravitational wave search using machine learning”, Phys. Rev. D 104, 023014, 2021.
  15. M. Saleem, Javed Rana, V. Gayathri, et al., “The Science Case for LIGO-India”, Class. Quantum Grav. 39, 025004, 2022.
  16. V. Gayathri, Y. Yang, H. Tagawa, Z. Haiman, I. Bartos, “Black hole mergers of AGN origin in LIGO/Virgo’s O1-O3a observing periods”, ApJL 920 L42, 2021.
  17. Marek Szczepańczyk, Sergey Klimenko, Brendan O’Brien, V. Gayathri, et al., “Observing an intermediate mass black hole GW190521 with minimal assumptions”, Phys. Rev. D 103, 082002, 2021.
  18. V. Gayathri, J. Healy, J. Lange, et al., “Measuring the Hubble Constant with GW190521 as an Eccentric black hole Merger and Its Potential Electromagnetic Counterpart”, ApJL 908 L34, 2021.
  19. Y. Yang, V. Gayathri, S. Márka, Z. Márka, I. Bartos, “Determining the Hubble Constant with Black Hole Mergers in Active Galactic Nuclei”, arXiv:2009.13739, 2020.
  20. V. Gayathri, Dixeena Lopez, Pranjal R. S., et al., “Enhancing the sensitivity of transient gravitational wave searches with Gaussian Mixture Models”, Phys. Rev. D 102, 104023, 2020.
  21. Y. Yang, V. Gayathri, et al., “Black Hole Formation in the Lower Mass Gap through Mergers and Accretion in AGN Disks”, ApJL 901 L34, 2020.
  22. Nirban Bose, Archana Pai, Koustav Chandra, V. Gayathri, et al., “Chirp mass-based glitch identification in long-duration gravitational wave transients”, Phys. Rev. D 102, 084034, 2020.
  23. M. Drago, V. Gayathri, et al., “Coherent WaveBurst, a pipeline for unmodeled gravitational-wave data analysis”, arXiv:2006.12604, 2020.
  24. Koustav Chandra, V. Gayathri, et al., “NuRIA: Numerical Relativity Injection Analysis of spinning binary black hole signals in Advanced LIGO data”, Phys. Rev. D 102, 044035, 2020.
  25. V. Gayathri, et al., “GW170817A as a Hierarchical Black Hole Merger”, ApJL 890 L20, 2020.
  26. Y. Yang, V. Gayathri, et al., “Hierarchical Black Hole Mergers in Active Galactic Nuclei”, Phys. Rev. Lett. 123, 181101, 2019.
  27. V. Gayathri, et al., “Astrophysical signal consistency test adapted for gravitational-wave transient searches”, Phys. Rev. D 100, 124022, 2019.
  28. V. Gayathri, et al., “Driving unmodeled gravitational-wave transient searches using astrophysical information”, Phys. Rev. D 98, 024028, 2018.
  29. Chassande-Mottin E., Eric Lebigot, Hugo Magaldi, Eve Chase, Archana Pai, V. Gayathri, et al., “Wavelet graphs for the direct detection of gravitational waves”, 25e Colloque GRETSI, 2015.

Major Contributed Collaboration Publications

  1. The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration: R. Abbott, V. Gayathri, et al., “Search for Eccentric Black Hole Coalescences during the Third Observing Run of LIGO and Virgo”, Phys. Rev. D 108, 082003, 2023.

  2. The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration: R. Abbott, V. Gayathri, et al., “GWTC-3: Compact Binary Coalescences Observed by LIGO and Virgo During the Second Part of the Third Observing Run”, Phys. Rev. X 13, 011048, 2023.

  3. The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration: R. Abbott, V. Gayathri, et al., “Search for intermediate mass black hole binaries in the third observing run of Advanced LIGO and Advanced Virgo”, Phys. Rev. D 103, 122002, 2021.

  4. The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration: R. Abbott, V. Gayathri, et al., “Properties and Astrophysical Implications of the 150 M⊙ Binary Black Hole Merger GW190521”, ApJL 900, L13, 2020.

  5. The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration: R. Abbott, V. Gayathri, et al., “GW190521: A Binary Black Hole Merger with a Total Mass of 150 M⊙”, Phys. Rev. Lett. 125, 101102, 2020.

  6. The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration: R. Abbott, V. Gayathri, et al., “Search for intermediate mass black hole binaries in the first and second observing runs of the Advanced LIGO and Virgo network”, Phys. Rev. D 100, 064064, 2019.