publications

2025

1. arXiv

   Golden and Silver Dark Sirens for precise H0 measurement with HETDEX

   Yixuan Dang, Ish Gupta, and others

   Dec 2025

   Bib

   @article{Dang:2025vqx,
     author = {Dang, Yixuan and Gupta, Ish and others},
     title = {{Golden and Silver Dark Sirens for precise H0 measurement with HETDEX}},
     eprint = {2512.21729},
     archiveprefix = {arXiv},
     primaryclass = {astro-ph.CO},
     month = dec,
     year = {2025},
   }

2. arXiv

   Testing general relativity with amplitudes of subdominant gravitational-wave modes

   Ish Gupta, Purnima Narayan, Lionel London, and 2 more authors

   Nov 2025

   Bib

   @article{Gupta:2025paz,
     author = {Gupta, Ish and Narayan, Purnima and London, Lionel and Tiwari, Shubhanshu and Sathyaprakash, Bangalore},
     title = {{Testing general relativity with amplitudes of subdominant gravitational-wave modes}},
     eprint = {2511.11886},
     archiveprefix = {arXiv},
     primaryclass = {gr-qc},
     month = nov,
     year = {2025},
   }

3. arXiv

   Accelerating parameter estimation for parameterized tests of general relativity with gravitational-wave observations

   Dhruv Kumar, Ish Gupta, and Bangalore Sathyaprakash

   Nov 2025

   Bib

   @article{Kumar:2025jio,
     author = {Kumar, Dhruv and Gupta, Ish and Sathyaprakash, Bangalore},
     title = {{Accelerating parameter estimation for parameterized tests of general relativity with gravitational-wave observations}},
     eprint = {2511.16879},
     archiveprefix = {arXiv},
     primaryclass = {gr-qc},
     month = nov,
     year = {2025},
   }

4. arXiv

   Implications of GW241011 for rotating exotic compact objects

   N. V. Krishnendu and others

   Nov 2025

   Bib

   @article{Krishnendu:2025rud,
     author = {Krishnendu, N. V. and others},
     title = {{Implications of GW241011 for rotating exotic compact objects}},
     eprint = {2511.17341},
     archiveprefix = {arXiv},
     primaryclass = {gr-qc},
     reportnumber = {This document has LIGO preprint number P2500682},
     month = nov,
     year = {2025},
   }

5. PRD

   Confronting general relativity with principal component analysis: Simulations and results from GWTC-3 events

   Parthapratim Mahapatra and others

   Phys. Rev. D, Nov 2025

   DOI Bib

   @article{Mahapatra:2025cwk,
     author = {Mahapatra, Parthapratim and others},
     title = {{Confronting general relativity with principal component analysis: Simulations and results from GWTC-3 events}},
     eprint = {2508.06862},
     archiveprefix = {arXiv},
     primaryclass = {gr-qc},
     reportnumber = {LIGO preprint number P2500459},
     doi = {10.1103/c1sj-jc4v},
     journal = {Phys. Rev. D},
     volume = {112},
     number = {10},
     pages = {104007},
     month = nov,
     year = {2025},
   }

6. ApJL

   GW241011 and GW241110: Exploring Binary Formation and Fundamental Physics with Asymmetric, High-spin Black Hole Coalescences

   A. G. Abac and others

   Astrophys. J. Lett., Oct 2025

   DOI Bib

   @article{LIGOScientific:2025brd,
     author = {Abac, A. G. and others},
     collaboration = {LIGO Scientific, Virgo, KAGRA},
     title = {{GW241011 and GW241110: Exploring Binary Formation and Fundamental Physics with Asymmetric, High-spin Black Hole Coalescences}},
     eprint = {2510.26931},
     archiveprefix = {arXiv},
     primaryclass = {astro-ph.HE},
     reportnumber = {LIGO-P2500402},
     doi = {10.3847/2041-8213/ae0d54},
     journal = {Astrophys. J. Lett.},
     volume = {993},
     number = {1},
     pages = {L21},
     month = oct,
     year = {2025},
   }

7. CQG

   Parameter estimation of gravitational-wave signals with frequency-dependent antenna responses and higher modes

   Pratyusava Baral, Soichiro Morisaki, Ish Gupta, and 1 more author

   Class. Quant. Grav., Oct 2025

   DOI Bib

   @article{Baral:2025geo,
     author = {Baral, Pratyusava and Morisaki, Soichiro and Gupta, Ish and Creighton, Jolien},
     title = {{Parameter estimation of gravitational-wave signals with frequency-dependent antenna responses and higher modes}},
     eprint = {2503.09627},
     archiveprefix = {arXiv},
     primaryclass = {astro-ph.IM},
     reportnumber = {LIGO DCC P2500078},
     doi = {10.1088/1361-6382/ae128b},
     journal = {Class. Quant. Grav.},
     volume = {42},
     number = {21},
     pages = {215007},
     month = oct,
     year = {2025},
   }

8. PRD

   Precise and accurate neutron star radius measurements with next-generation gravitational wave detectors

   Sanika Khadkikar, Ish Gupta, Rahul Kashyap, and 3 more authors

   Phys. Rev. D, Sep 2025

   DOI Bib

   @article{Khadkikar:2025ith,
     author = {Khadkikar, Sanika and Gupta, Ish and Kashyap, Rahul and Chandra, Koustav and Gamba, Rossella and Sathyaprakash, Bangalore S.},
     title = {{Precise and accurate neutron star radius measurements with next-generation gravitational wave detectors}},
     eprint = {2502.03463},
     archiveprefix = {arXiv},
     primaryclass = {astro-ph.HE},
     reportnumber = {LIGO DCC Number: LIGO-P2400544},
     doi = {10.1103/h6rl-mcjm},
     journal = {Phys. Rev. D},
     volume = {112},
     number = {6},
     pages = {063020},
     month = sep,
     year = {2025},
   }

9. Thesis

   From Silence to Signal: Composing the Science of Neutron Star-Black Hole Mergers

   Ish Gupta

   Penn State U., May 2025

   Bib

   @phdthesis{Gupta:2025lqy,
     author = {Gupta, Ish},
     title = {{From Silence to Signal: Composing the Science of Neutron Star-Black Hole Mergers}},
     school = {Penn State U.},
     year = {2025},
     month = may,
   }

10. PRD

    Foreground signals minimally affect inference of high-mass binary black holes in next-generation gravitational-wave detectors

    Ish Gupta, Koustav Chandra, and B. S. Sathyaprakash

    Phys. Rev. D, May 2025

    DOI Bib

    @article{Gupta:2024lft,
      author = {Gupta, Ish and Chandra, Koustav and Sathyaprakash, B. S.},
      title = {{Foreground signals minimally affect inference of high-mass binary black holes in next-generation gravitational-wave detectors}},
      eprint = {2410.22302},
      archiveprefix = {arXiv},
      primaryclass = {gr-qc},
      doi = {10.1103/PhysRevD.111.104013},
      journal = {Phys. Rev. D},
      volume = {111},
      number = {10},
      pages = {104013},
      year = {2025},
      month = may,
    }

11. ApJL

    The Critical Role of LIGO-India in the Era of Next-generation Observatories

    Shiksha Pandey, Ish Gupta, Koustav Chandra, and 1 more author

    Astrophys. J. Lett., May 2025

    DOI Bib

    @article{Pandey:2024mlo,
      author = {Pandey, Shiksha and Gupta, Ish and Chandra, Koustav and Sathyaprakash, Bangalore S.},
      title = {{The Critical Role of LIGO-India in the Era of Next-generation Observatories}},
      eprint = {2411.10349},
      archiveprefix = {arXiv},
      primaryclass = {gr-qc},
      doi = {10.3847/2041-8213/add15f},
      journal = {Astrophys. J. Lett.},
      volume = {985},
      number = {1},
      pages = {L17},
      month = may,
      year = {2025},
    }

12. arXiv

    Optimizing Bayesian model selection for equation of state of cold neutron stars

    Rahul Kashyap, Ish Gupta, Arnab Dhani, and 2 more authors

    Feb 2025

    Bib

    @article{Kashyap:2025cpd,
      author = {Kashyap, Rahul and Gupta, Ish and Dhani, Arnab and Bapna, Monica and Sathyaprakash, Bangalore},
      title = {{Optimizing Bayesian model selection for equation of state of cold neutron stars}},
      eprint = {2502.03831},
      archiveprefix = {arXiv},
      primaryclass = {gr-qc},
      month = feb,
      year = {2025},
    }

2024

1. ApJL

   Constraining Possible \ensuremathγ-Ray Burst Emission from GW230529 Using Swift-BAT and Fermi-GBM

   Samuele Ronchini and others

   Astrophys. J. Lett., Apr 2024

   DOI Bib

   @article{Ronchini:2024lvb,
     author = {Ronchini, Samuele and others},
     title = {{Constraining Possible {\ensuremath{\gamma}}-Ray Burst Emission from GW230529 Using Swift-BAT and Fermi-GBM}},
     eprint = {2405.10752},
     archiveprefix = {arXiv},
     primaryclass = {astro-ph.HE},
     doi = {10.3847/2041-8213/ad5d74},
     journal = {Astrophys. J. Lett.},
     volume = {970},
     number = {1},
     pages = {L20},
     month = apr,
     year = {2024},
   }

2. ApJ

   On the Origins, Remnant, and Multimessenger Prospects of the Compact Binary Merger GW230529

   Koustav Chandra, Ish Gupta, Rossella Gamba, and 5 more authors

   Astrophys. J., Dec 2024

   DOI Bib

   @article{Chandra:2024ila,
     author = {Chandra, Koustav and Gupta, Ish and Gamba, Rossella and Kashyap, Rahul and Chattopadhyay, Debatri and Gonzalez, Alejandra and Bernuzzi, Sebastiano and Sathyaprakash, B. S.},
     title = {{On the Origins, Remnant, and Multimessenger Prospects of the Compact Binary Merger GW230529}},
     eprint = {2405.03841},
     archiveprefix = {arXiv},
     primaryclass = {astro-ph.HE},
     reportnumber = {LIGO-P2400163},
     doi = {10.3847/1538-4357/ad90bd},
     journal = {Astrophys. J.},
     volume = {977},
     number = {2},
     pages = {167},
     year = {2024},
     month = dec,
   }

3. FASS

   Multi-messenger astrophysics of black holes and neutron stars as probed by ground-based gravitational wave detectors: from present to future

   Alessandra Corsi and others

   Front. Astron. Space Sci., Dec 2024

   DOI Bib

   @article{Corsi:2024vvr,
     author = {Corsi, Alessandra and others},
     title = {{Multi-messenger astrophysics of black holes and neutron stars as probed by ground-based gravitational wave detectors: from present to future}},
     eprint = {2402.13445},
     archiveprefix = {arXiv},
     primaryclass = {astro-ph.HE},
     doi = {10.3389/fspas.2024.1386748},
     journal = {Front. Astron. Space Sci.},
     volume = {11},
     pages = {1386748},
     year = {2024},
   }

4. ApJ

   Inferring Small Neutron Star Spins with Neutron Star–Black Hole Mergers

   Ish Gupta

   Astrophys. J., Jul 2024

   DOI Bib

   @article{Gupta:2024bqn,
     author = {Gupta, Ish},
     title = {{Inferring Small Neutron Star Spins with Neutron Star{\textendash}Black Hole Mergers}},
     eprint = {2402.07075},
     archiveprefix = {arXiv},
     primaryclass = {astro-ph.HE},
     doi = {10.3847/1538-4357/ad49a0},
     journal = {Astrophys. J.},
     volume = {970},
     number = {1},
     pages = {12},
     year = {2024},
     month = jul,
   }

5. SciPost

   Possible causes of false general relativity violations in gravitational wave observations

   Anuradha Gupta and others

   May 2024

   DOI Bib

   @article{Gupta:2024gun,
     author = {Gupta, Anuradha and others},
     title = {{Possible causes of false general relativity violations in gravitational wave observations}},
     eprint = {2405.02197},
     archiveprefix = {arXiv},
     primaryclass = {gr-qc},
     doi = {10.21468/SciPostPhysCommRep.5},
     month = may,
     year = {2024},
   }

6. CQG

   Cosmography with next-generation gravitational wave detectors

   Hsin-Yu Chen, Jose Marı́a Ezquiaga, and Ish Gupta

   Class. Quant. Grav., May 2024

   DOI Bib

   @article{Chen:2024gdn,
     author = {Chen, Hsin-Yu and Ezquiaga, Jose Mar{\'\i}a and Gupta, Ish},
     title = {{Cosmography with next-generation gravitational wave detectors}},
     eprint = {2402.03120},
     archiveprefix = {arXiv},
     primaryclass = {gr-qc},
     doi = {10.1088/1361-6382/ad424f},
     journal = {Class. Quant. Grav.},
     volume = {41},
     number = {12},
     pages = {125004},
     year = {2024},
   }

7. PRD

   Detectability of QCD phase transitions in binary neutron star mergers: Bayesian inference with the next generation gravitational wave detectors

   Aviral Prakash, Ish Gupta, Matteo Breschi, and 5 more authors

   Phys. Rev. D, May 2024

   DOI Bib

   @article{Prakash:2023afe,
     author = {Prakash, Aviral and Gupta, Ish and Breschi, Matteo and Kashyap, Rahul and Radice, David and Bernuzzi, Sebastiano and Logoteta, Domenico and Sathyaprakash, B. S.},
     title = {{Detectability of QCD phase transitions in binary neutron star mergers: Bayesian inference with the next generation gravitational wave detectors}},
     eprint = {2310.06025},
     archiveprefix = {arXiv},
     primaryclass = {gr-qc},
     doi = {10.1103/PhysRevD.109.103008},
     journal = {Phys. Rev. D},
     volume = {109},
     number = {10},
     pages = {103008},
     year = {2024},
   }

8. CQG

   Characterizing gravitational wave detector networks: from A^♯to cosmic explorer

   Ish Gupta and others

   Class. Quant. Grav., May 2024

   DOI Bib

   @article{Gupta:2023lga,
     author = {Gupta, Ish and others},
     title = {{Characterizing gravitational wave detector networks: from A$^\sharp$ to cosmic explorer}},
     eprint = {2307.10421},
     archiveprefix = {arXiv},
     primaryclass = {gr-qc},
     reportnumber = {CE Document No. P2300019, CE Document No. P2300019-v2},
     doi = {10.1088/1361-6382/ad7b99},
     journal = {Class. Quant. Grav.},
     volume = {41},
     number = {24},
     pages = {245001},
     year = {2024},
   }

9. PRD

   Accuracy of neutron star radius measurement with the next generation of terrestrial gravitational-wave observatories

   Rachael Huxford, Rahul Kashyap, Ssohrab Borhanian, and 3 more authors

   Phys. Rev. D, May 2024

   DOI Bib

   @article{Huxford:2023qne,
     author = {Huxford, Rachael and Kashyap, Rahul and Borhanian, Ssohrab and Dhani, Arnab and Gupta, Ish and Sathyaprakash, B. S.},
     title = {{Accuracy of neutron star radius measurement with the next generation of terrestrial gravitational-wave observatories}},
     eprint = {2307.05376},
     archiveprefix = {arXiv},
     primaryclass = {gr-qc},
     doi = {10.1103/PhysRevD.109.103035},
     journal = {Phys. Rev. D},
     volume = {109},
     number = {10},
     pages = {103035},
     year = {2024},
   }

2023

1. arXiv

   Cosmic Explorer: A Submission to the NSF MPSAC ngGW Subcommittee

   Matthew Evans and others

   Jun 2023

   Bib

   @article{Evans:2023euw,
     author = {Evans, Matthew and others},
     title = {{Cosmic Explorer: A Submission to the NSF MPSAC ngGW Subcommittee}},
     eprint = {2306.13745},
     archiveprefix = {arXiv},
     primaryclass = {astro-ph.IM},
     month = jun,
     year = {2023},
   }

2. JCAP

   Science with the Einstein Telescope: a comparison of different designs

   Marica Branchesi and others

   JCAP, Jun 2023

   DOI Bib

   @article{Branchesi:2023mws,
     author = {Branchesi, Marica and others},
     title = {{Science with the Einstein Telescope: a comparison of different designs}},
     eprint = {2303.15923},
     archiveprefix = {arXiv},
     primaryclass = {gr-qc},
     reportnumber = {ET-0084A-23},
     doi = {10.1088/1475-7516/2023/07/068},
     journal = {JCAP},
     volume = {07},
     pages = {068},
     year = {2023},
   }

3. PRD

   Neutron star-black hole mergers in next generation gravitational-wave observatories

   Ish Gupta, Ssohrab Borhanian, Arnab Dhani, and 4 more authors

   Phys. Rev. D, Jun 2023

   DOI Bib

   @article{Gupta:2023evt,
     author = {Gupta, Ish and Borhanian, Ssohrab and Dhani, Arnab and Chattopadhyay, Debatri and Kashyap, Rahul and Villar, V. Ashley and Sathyaprakash, B. S.},
     title = {{Neutron star-black hole mergers in next generation gravitational-wave observatories}},
     eprint = {2301.08763},
     archiveprefix = {arXiv},
     primaryclass = {gr-qc},
     doi = {10.1103/PhysRevD.107.124007},
     journal = {Phys. Rev. D},
     volume = {107},
     number = {12},
     pages = {124007},
     year = {2023},
   }

4. MNRAS

   Using grey sirens to resolve the Hubble–Lemaı̂tre tension

   Ish Gupta

   Mon. Not. Roy. Astron. Soc., Jun 2023

   DOI Bib

   @article{Gupta:2022fwd,
     author = {Gupta, Ish},
     title = {{Using grey sirens to resolve the Hubble{\textendash}Lema{\^\i}tre tension}},
     eprint = {2212.00163},
     archiveprefix = {arXiv},
     primaryclass = {gr-qc},
     doi = {10.1093/mnras/stad2115},
     journal = {Mon. Not. Roy. Astron. Soc.},
     volume = {524},
     number = {3},
     pages = {3537--3558},
     year = {2023},
   }

2022

1. PRD

   Testing general relativity using higher-order modes of gravitational waves from binary black holes

   Anna Puecher, Chinmay Kalaghatgi, Soumen Roy, and 4 more authors

   Phys. Rev. D, Jun 2022

   DOI Bib

   @article{Puecher:2022sfm,
     author = {Puecher, Anna and Kalaghatgi, Chinmay and Roy, Soumen and Setyawati, Yoshinta and Gupta, Ish and Sathyaprakash, B. S. and Van Den Broeck, Chris},
     title = {{Testing general relativity using higher-order modes of gravitational waves from binary black holes}},
     eprint = {2205.09062},
     archiveprefix = {arXiv},
     primaryclass = {gr-qc},
     reportnumber = {LIGO DCC: LIGO-P2200140},
     doi = {10.1103/PhysRevD.106.082003},
     journal = {Phys. Rev. D},
     volume = {106},
     number = {8},
     pages = {082003},
     year = {2022},
   }