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Anton Pannekoek Institute for Astronomy Anton Pannekoek Institute for Astronomy

D. (Devarshi) Choudhury

Faculty of Science
Anton Pannekoek Institute of Astronomy
Photographer: Devarshi Choudhury
Visiting address
  • Science Park 904
  • Room number: C4.144
Postal address
  • Postbus 94249
    1090 GE Amsterdam
Contact details
  • Publications

    2024

    • Choudhury, D., Salmi, T., Vinciguerra, S., Riley, T. E., Kini, Y., Watts, A. L., Dorsman, B., Bogdanov, S., Guillot, S., Ray, P. S., Reardon, D. J., Remillard, R. A., Bilous, A. V., Huppenkothen, D., Lattimer, J. M., Rutherford, N., Arzoumanian, Z., Gendreau, K. C., Morsink, S. M., & Ho, W. C. G. (2024). A NICER View of the Nearest and Brightest Millisecond Pulsar: PSR J0437textendash4715. Astrophysical Journal Letters, 971(1), L20. https://doi.org/10.3847/2041-8213/ad5a6f
    • Kini, Y., Salmi, T., Vinciguerra, S., Watts, A. L., Choudhury, D., Bogdanov, S., Buchner, J., Meisel, Z., & Suleimanov, V. (2024). Pulse profile modelling of thermonuclear burst oscillations - II: Handling variability. Monthly Notices of the Royal Astronomical Society, 527(3), 8118-8130. https://doi.org/10.1093/mnras/stad3595 [details]
      • Related datasets
        • Kini, Y., Salmi, T., Vinciguerra, S., Watts, A., Choudhury, D., Bogdanov, S., Buchner, J., Meisel, Z. & Suleimanov, V. (13-6-2023). Pulse Profile Modelling of Thermonuclear Burst Oscillations II: Handling variability. Zenodo. https://doi.org/10.5281/zenodo.8033527
    • Rutherford, N., Mendes, M., Svensson, I., Schwenk, A., Watts, A. L., Hebeler, K., Keller, J., Prescod-Weinstein, C., Choudhury, D., Raaijmakers, G., Salmi, T., Timmerman, P., Vinciguerra, S., Guillot, S., & Lattimer, J. M. (2024). Constraining the Dense Matter Equation of State with New NICER MasstextendashRadius Measurements and New Chiral Effective Field Theory Inputs. Astrophysical Journal Letters, 971(1), L19. https://doi.org/10.3847/2041-8213/ad5f02 [details]
    • Salmi, T., Choudhury, D., Kini, Y., Riley, T. E., Vinciguerra, S., Watts, A. L., Wolff, M. T., Arzoumanian, Z., Bogdanov, S., Chakrabarty, D., Gendreau, K., Guillot, S., Ho, W. C. G., Huppenkothen, D., Ludlam, R. M., Morsink, S. M., & Ray, P. S. (2024). The Radius of the High-mass Pulsar PSR J0740+6620 with 3.6 yr of NICER Data. Astrophysical Journal, 974(2), Article 294. https://doi.org/10.3847/1538-4357/ad5f1f [details]

    2023

    • Kini, Y., Salmi, T., Watts, A. L., Vinciguerra, S., Choudhury, D., Fenne, S., Bogdanov, S., Meisel, Z., & Suleimanov, V. (2023). Pulse profile modeling of thermonuclear burst oscillations - I: The effect of neglecting variability. Monthly Notices of the Royal Astronomical Society, 522(3), 3389-3404. https://doi.org/10.1093/mnras/stad1030 [details]
      • Related datasets
        • Kini, Y., Salmi, T., Watts, A. L., Vinciguerra, S., Choudhury, D., Fenne, S., Bogdanov, S., Meisel, Z. & Suleimanov, V. (22-2-2023). Pulse Profile Modeling of Thermonuclear Burst Oscillations I: The Effect of Neglecting Variability. Zenodo. https://doi.org/10.5281/zenodo.7665653
    • Riley, T. E., Choudhury, D., Salmi, T., Vinciguerra, S., Kini, Y., Dorsman, B., Watts, A. L., Huppenkothen, D., & Guillot, S. (2023). X-PSI: A Python package for neutron star X-ray pulse simulation and inference. The Journal of Open Source Software, 8(82), Article 4977. https://doi.org/10.21105/joss.04977 [details]
    • Salmi, T., Vinciguerra, S., Choudhury, D., Watts, A. L., Ho, W. C. G., Guillot, S., Kini, Y., Dorsman, B., Morsink, S. M., & Bogdanov, S. (2023). Atmospheric Effects on Neutron Star Parameter Constraints with NICER. Astrophysical Journal, 956(2), Article 138. https://doi.org/10.3847/1538-4357/acf49d [details]
      • Related datasets
        • Salmi, T., Vinciguerra, S., Choudhury, D., Watts, A. L., Ho, W. C. G., Guillot, S., Kini, Y., Dorsman, B., Morsink, S. M. & Bogdanov, S. (14-9-2023). Atmospheric Effects on Neutron Star Parameter Constraints with NICER. Zenodo. https://doi.org/10.5281/zenodo.7449786
    • Vinciguerra, S., Salmi, T., Watts, A. L., Choudhury, D., Kini, Y., & Riley, T. E. (2023). X-PSI parameter Recovery for Temperature Map Configurations Inspired by PSR J0030+0451. Astrophysical Journal, 959(1), Article 55. https://doi.org/10.3847/1538-4357/acf9a0 [details]

    2022

    • Salmi, T., Vinciguerra, S., Choudhury, D., Riley, T. E., Watts, A. L., Remillard, R. A., Ray, P. S., Bogdanov, S., Guillot, S., Arzoumanian, Z., Chirenti, C., Dittmann, A. J., Gendreau, K. C., Ho, W. C. G., Miller, M. C., Morsink, S. M., Wadiasingh, Z., & Wolff, M. T. (2022). The Radius of PSR J0740+6620 from NICER with NICER Background Estimates. Astrophysical Journal, 941(2), Article 150. https://doi.org/10.3847/1538-4357/ac983d [details]
      • Related datasets
        • Salmi, T., Vinciguerra, S., Choudhury, D., Riley, T., Watts, A., Remillard, R. A., Ray, P. S., Bogdanov, S., Guillot, S., Arzoumanian, Z., Chirenti, C., Dittmann, A. J., Gendreau, K. C., Ho, W. C. G., Miller, M. ., Morsink, S. M., Wadiasingh, Z. & Wolff, M. T. (2022). The Radius of PSR J0740+6620 from NICER with NICER Background Estimates. Zenodo. https://doi.org/10.5281/zenodo.6827537

    2021

    • Bogdanov, S., Dittmann, A. J., Ho, W. C. G., Lamb, F. K., Mahmoodifar, S., Miller, M. C., Morsink, S. M., Riley, T. E., Strohmayer, T. E., Watts, A. L., Choudhury, D., Guillot, S., Harding, A. K., Ray, P. S., Wadiasingh, Z., Wolff, M. T., Markwardt, C. B., Arzoumanian, Z., & Gendreau, K. C. (2021). Constraining the Neutron Star Mass-Radius Relation and Dense Matter Equation of State with NICER. III: Model Description and Verification of Parameter Estimation Codes. Astrophysical Journal Letters, 914(1). https://doi.org/10.3847/2041-8213/abfb79 [details]
      • Related datasets
        • Bogdanov, S., Dittmann, A. J., Ho, W. C. G., Lamb, F. K., Mahmoodifar, S., Miller, M. ., Morsink, S. M., Riley, T., Strohmayer, T. E., Watts, A., Choudhury, D., Guillot, S., Harding, A. K., Ray, P. S., Wadiasingh, Z., Wolff, M. T., Markwardt, C. B., Arzoumanian, Z. & Gendreau, K. C. (2021). Constraining the Neutron Star Mass-Radius Relation and Dense Matter Equation of State with NICER. III. Model Description and Verification of Parameter Estimation Codes. Zenodo. https://doi.org/10.5281/zenodo.4710158
    • Riley, T. E., Watts, A. L., Ray, P. S., Bogdanov, S., Guillot, S., Morsink, S. M., Bilous, A. V., Arzoumanian, Z., Choudhury, D., Deneva, J. S., Gendreau, K. C., Harding, A. K., Ho, W. C. G., Lattimer, J. M., Loewenstein, M., Ludlam, R. M., Markwardt, C. B., Okajima, T., Prescod-Weinstein, C., ... Cognard, I. (2021). A NICER View of the Massive Pulsar PSR J0740+6620 Informed by Radio Timing and XMM-Newton Spectroscopy. Astrophysical Journal Letters, 918(2), Article L27. https://doi.org/10.3847/2041-8213/ac0a81 [details]
      • Related datasets
        • Riley, T. E., Watts, A. L., Ray, P. S., Bogdanov, S., Guillot, S., Morsink, S. M., Bilous, A. V., Arzoumanian, Z., Choudhury, D., Deneva, J. S., Gendreau, K. C., Harding, A. K., Ho, W. C. G., Lattimer, J. M., Loewenstein, M., Ludlam, R. M., Markwardt, C. B., Okajima, T., Prescod-Weinstein, C., … Cognard, I. (2021). A NICER View of the Massive Pulsar PSR J0740+6620 Informed by Radio Timing and XMM-Newton Spectroscopy: Nested Samples for Millisecond Pulsar Parameter Estimation. Zenodo. https://doi.org/10.5281/zenodo.5735003
        • Riley, T. E., Watts, A. L., Ray, P. S., Bogdanov, S., Guillot, S., Morsink, S. M., Bilous, A. V., Arzoumanian, Z., Choudhury, D., Deneva, J. S., Gendreau, K. C., Harding, A. K., Ho, W. C. G., Lattimer, J. M., Loewenstein, M., Ludlam, R. M., Markwardt, C. B., Okajima, T., Prescod-Weinstein, C., … Raaijmakers, G. (2022). A NICER View of the Massive Pulsar PSR J0740+6620 Informed by Radio Timing and XMM-Newton Spectroscopy: Nested Samples for Millisecond Pulsar Parameter Estimation. Zenodo. https://doi.org/10.5281/zenodo.7096886

    Prize / grant

    2024

    • Dittmann, A. J., Vinciguerra, S., Bogdanov, S., Arzoumanian, Z., Salmi, T., Watts, A. L., Wolff, M., Miller, M. ., Morsink, S. M., Guillot, S. & Choudhury, D. (28-10-2024). Data and Software for: 'Exploring Waveform Variations among Neutron Star Ray-tracing Codes for Complex Emission Geometries'. Zenodo. https://doi.org/10.5281/zenodo.13133749
    • Salmi, T., Deneva, J., Ray, P. S., Watts, A. L., Choudhury, D., Kini, Y., Vinciguerra, S., Cromartie, H. ., Wolff, M. T., Arzoumanian, Z., Bogdanov, S., Gendreau, K., Guillot, S., Ho, W. C. G., Morsink, S., Cognard, I., Guillemot, L., Theureau, G. & Kerr, M. (27-9-2024). Data and Software for: 'A NICER View of PSR J1231−1411: A Complex Case'. Zenodo. https://doi.org/10.5281/zenodo.13358349
    • Gendreau, K. C., Remillard, R. A., Ho, W. C. G., Huppenkothen, D., Ray, P. S., Watts, A. L., Arzoumanian, Z., Vinciguerra, S., Lattimer, J. M., Morsink, S. M., Bogdanov, S., Reardon, D. J., Guillot, S., Bilous, A. V., Salmi, T., Riley, T. E., Kini, Y., Rutherford, N., Dorsman, B. & Choudhury, D. (8-8-2024). Data and Software for: 'A NICER View of the Nearest and Brightest Millisecond Pulsar: PSR J0437–4715'. Zenodo. https://doi.org/10.5281/zenodo.13766753
    • Rutherford, N., Mendes, M., Svensson, I., Schwenk, A., Watts, A., Hebeler, K., Keller, J., Prescod-Weinstein, C., Choudhury, D., Raaijmakers, G., Salmi, T., Timmerman, P., Vinciguerra, S., Guillot, S. & Lattimer, J. M. (10-7-2024). Constraining the dense matter equation of state with new NICER mass-radius measurements and new chiral effective field theory constraints: prior and posterior samples and scripts for generating plots. Zenodo. https://doi.org/10.5281/zenodo.10871354
    • Rutherford, N., Guillot, S., Salmi, T., Lattimer, J. M., Prescod-Weinstein, C., Svensson, I., Schwenk, A., Vinciguerra, S., Choudhury, D., Watts, A. L., Hebeler, K. & Raaijmakers, G. (10-7-2024). Constraining the dense matter equation of state with new NICER mass-radius measurements and new chiral effective field theory constraints: prior and posterior samples and scripts for generating plots. Zenodo. https://doi.org/10.5281/zenodo.12714032
    • Choudhury, D., Salmi, T., Vinciguerra, S., Riley, T., Kini, Y., Watts, A., Dorsman, B., Bogdanov, S., Guillot, S., Ray, P. S., Reardon, D., Remillard, R. A., Bilous, A., Huppenkothen, D., Lattimer, J., Rutherford, N., Arzoumanian, Z., Gendreau, K., Morsink, S. & Ho, W. C. G. (10-7-2024). A NICER View of the Nearest and Brightest Millisecond Pulsar: PSR J0437–4715. Zenodo. https://doi.org/10.5281/zenodo.12703175
    • Salmi, T., Choudhury, D., Kini, Y., Riley, T., Vinciguerra, S., Watts, A., Wolff, M. T., Arzoumanian, Z., Bogdanov, S., Chakrabarty, D., Gendreau, K., Guillot, S., Ho, W. C. G., Huppenkothen, D., Ludlam, R. M., Morsink, S. M. & Ray, P. S. (26-6-2024). The Radius of the High Mass Pulsar PSR J0740+6620 With 3.6 Years of NICER Data. Zenodo. https://doi.org/10.5281/zenodo.10519473
    • Choudhury, D. & Salmi, T. (27-3-2024). A NICER View of the Nearest and Brightest Millisecond Pulsar: PSR J0437--4715. Zenodo. https://doi.org/10.5281/zenodo.10886505

    2023

    • Vinciguerra, S., Salmi, T., Watts, A., Choudhury, D., Riley, T., Ray, P. S., Bogdanov, S., Kini, Y., Guillot, S., Chakrabarty, D., Ho, W. C. G., Huppenkothen, D., Morsink, S. M., Wadiasingh, Z. & Wolff, M. T. (6-11-2023). An updated mass-radius analysis of the 2017-2018 NICER data set of PSR J0030+0451. Zenodo. https://doi.org/10.5281/zenodo.8239000
    • Vinciguerra, S., Salmi, T., Watts, A., Choudhury, D., Kini, Y. & Riley, T. (23-10-2023). X-PSI Parameter Recovery for Temperature Map Configurations Inspired by PSR J0030+0451. Zenodo. https://doi.org/10.5281/zenodo.7646352
    • Salmi, T., Vinciguerra, S., Choudhury, D., Watts, A. L., Ho, W. C. G., Guillot, S., Kini, Y., Dorsman, B., Morsink, S. M. & Bogdanov, S. (14-9-2023). Atmospheric Effects on Neutron Star Parameter Constraints with NICER. Zenodo. https://doi.org/10.5281/zenodo.7449786
    • Kini, Y., Salmi, T., Vinciguerra, S., Watts, A., Choudhury, D., Bogdanov, S., Buchner, J., Meisel, Z. & Suleimanov, V. (13-6-2023). Pulse Profile Modelling of Thermonuclear Burst Oscillations II: Handling variability. Zenodo. https://doi.org/10.5281/zenodo.8033527
    • Kini, Y., Salmi, T., Watts, A. L., Vinciguerra, S., Choudhury, D., Fenne, S., Bogdanov, S., Meisel, Z. & Suleimanov, V. (22-2-2023). Pulse Profile Modeling of Thermonuclear Burst Oscillations I: The Effect of Neglecting Variability. Zenodo. https://doi.org/10.5281/zenodo.7665653

    2022

    • Salmi, T., Vinciguerra, S., Choudhury, D., Riley, T., Watts, A., Remillard, R. A., Ray, P. S., Bogdanov, S., Guillot, S., Arzoumanian, Z., Chirenti, C., Dittmann, A. J., Gendreau, K. C., Ho, W. C. G., Miller, M. ., Morsink, S. M., Wadiasingh, Z. & Wolff, M. T. (2022). The Radius of PSR J0740+6620 from NICER with NICER Background Estimates. Zenodo. https://doi.org/10.5281/zenodo.6827537
    • Riley, T. E., Watts, A. L., Ray, P. S., Bogdanov, S., Guillot, S., Morsink, S. M., Bilous, A. V., Arzoumanian, Z., Choudhury, D., Deneva, J. S., Gendreau, K. C., Harding, A. K., Ho, W. C. G., Lattimer, J. M., Loewenstein, M., Ludlam, R. M., Markwardt, C. B., Okajima, T., Prescod-Weinstein, C., … Raaijmakers, G. (2022). A NICER View of the Massive Pulsar PSR J0740+6620 Informed by Radio Timing and XMM-Newton Spectroscopy: Nested Samples for Millisecond Pulsar Parameter Estimation. Zenodo. https://doi.org/10.5281/zenodo.7096886

    2021

    • Bogdanov, S., Dittmann, A. J., Ho, W. C. G., Lamb, F. K., Mahmoodifar, S., Miller, M. ., Morsink, S. M., Riley, T., Strohmayer, T. E., Watts, A., Choudhury, D., Guillot, S., Harding, A. K., Ray, P. S., Wadiasingh, Z., Wolff, M. T., Markwardt, C. B., Arzoumanian, Z. & Gendreau, K. C. (2021). Constraining the Neutron Star Mass-Radius Relation and Dense Matter Equation of State with NICER. III. Model Description and Verification of Parameter Estimation Codes. Zenodo. https://doi.org/10.5281/zenodo.4710158
    • Riley, T. E., Watts, A. L., Ray, P. S., Bogdanov, S., Guillot, S., Morsink, S. M., Bilous, A. V., Arzoumanian, Z., Choudhury, D., Deneva, J. S., Gendreau, K. C., Harding, A. K., Ho, W. C. G., Lattimer, J. M., Loewenstein, M., Ludlam, R. M., Markwardt, C. B., Okajima, T., Prescod-Weinstein, C., … Cognard, I. (2021). A NICER View of the Massive Pulsar PSR J0740+6620 Informed by Radio Timing and XMM-Newton Spectroscopy: Nested Samples for Millisecond Pulsar Parameter Estimation. Zenodo. https://doi.org/10.5281/zenodo.5735003
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