Advancing the Equation of state of Neutron Stars

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Data Management Plan

A research data management plan specifying the procedures to be followed to ensure open access to research data generated by this project.

Pubblicazioni

Polarized radiation from an accretion shock in accreting millisecond pulsars using exact Compton scattering formalism

Autori: Anna Bobrikova; Vladislav Loktev; Tuomo Salmi; Juri Poutanen
Pubblicato in: Astronomy & Astrophysics, Numero 678, 2023, Pagina/e A99, ISSN 1432-0746
Editore: EDP Sciences
DOI: 10.1051/0004-6361/202346833

NEoST: A Python package for nested sampling of the neutron star equation of state

Autori: Geert Raaijmakers, Nathan Rutherford, Patrick Timmerman, Tuomo Salmi, Anna L. Watts, Chanda Prescod-Weinstein, Isak Svensson, Melissa Mendes
Pubblicato in: Journal of Open Source Software, Numero 10, 2025, Pagina/e 6003, ISSN 2475-9066
Editore: The Open Journal
DOI: 10.21105/joss.06003

Constraining bosonic asymmetric dark matter with neutron star mass-radius measurements

Autori: Nathan Rutherford, Geert Raaijmakers, Chanda Prescod-Weinstein, Anna Watts
Pubblicato in: Physical Review D, Numero 107, 2023, Pagina/e 103051, ISSN 2470-0029
Editore: American Physical Society
DOI: 10.1103/physrevd.107.103051

Constraining the Dense Matter Equation of State with New NICER Mass–Radius Measurements and New Chiral Effective Field Theory Inputs

Autori: Nathan Rutherford, Melissa Mendes, Isak Svensson, Achim Schwenk, Anna L. Watts, Kai Hebeler, Jonas Keller, Chanda Prescod-Weinstein, Devarshi Choudhury, Geert Raaijmakers, Tuomo Salmi, Patrick Timmerman, Serena Vinciguerra, Sebastien Guillot, James M. Lattimer
Pubblicato in: The Astrophysical Journal Letters, Numero 971, 2024, Pagina/e L19, ISSN 2041-8205
Editore: Institute of Physics Publishing
DOI: 10.3847/2041-8213/ad5f02

Pulse profile modelling of thermonuclear burst oscillations - I. The effect of neglecting variability

Autori: Yves Kini, Tuomo Salmi, Anna L. Watts, Serena Vinciguerra, Devarshi Choudhury, Siem Fenne, Slavko Bogdanov, Zach Meisel, Valery Suleimanov
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Numero 522, 2023, Pagina/e 3389–3404, ISSN 1365-2966
Editore: Oxford University Press
DOI: 10.1093/mnras/stad1030

Constraining the properties of the thermonuclear burst oscillation source XTE J1814−338 through pulse profile modelling

Autori: Yves Kini, Tuomo Salmi, Serena Vinciguerra, Anna L Watts, Anna Bilous, Duncan K Galloway, Emma van der Wateren, Guru Partap Khalsa, Slavko Bogdanov, Johannes Buchner, Valery Suleimanov
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Numero 535, 2024, Pagina/e 1507-1525, ISSN 0035-8711
Editore: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stae2398

Atmospheric Effects on Neutron Star Parameter Constraints with NICER

Autori: Tuomo Salmi, Serena Vinciguerra, Devarshi Choudhury, Anna L. Watts, Wynn C. G. Ho, Sebastien Guillot, Yves Kini, Bas Dorsman, Sharon M. Morsink, Slavko Bogdanov
Pubblicato in: The Astrophysical Journal, Numero 956, 2023, Pagina/e 138, ISSN 1538-4357
Editore: IOP Publishing
DOI: 10.3847/1538-4357/acf49d

A NICER View of the Massive Pulsar PSR J0740+6620 Informed by Radio Timing and XMM-Newton Spectroscopy

Autori: Thomas E. Riley, Anna L. Watts, Paul S. Ray, Slavko Bogdanov, Sebastien Guillot, Sharon M. Morsink, Anna V. Bilous, Zaven Arzoumanian, Devarshi Choudhury, Julia S. Deneva, Keith C. Gendreau, Alice K. Harding, Wynn C. G. Ho, James M. Lattimer, Michael Loewenstein, Renee M. Ludlam, Craig B. Markwardt, Takashi Okajima, Chanda Prescod-Weinstein, Ronald A. Remillard, Michael T. Wolff, Emmanuel Fonseca,
Pubblicato in: The Astrophysical Journal Letters, Numero 918/2, 2021, Pagina/e L27, ISSN 2041-8205
Editore: Institute of Physics Publishing
DOI: 10.3847/2041-8213/ac0a81

Pulse Profile Modelling of Thermonuclear Burst Oscillations II: Handling variability

Autori: Yves Kini, Tuomo Salmi, Serena Vinciguerra, Anna L. Watts, Devarshi Choudhury, Slavko Bogdanov, Johannes Buchner, Zach Meisel, Valery Suleimanov
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Numero 527, 2024, Pagina/e 8118-8130, ISSN 1365-2966
Editore: Oxford University Press
DOI: 10.1093/mnras/stad3595

Search for Continuous Gravitational Waves from Scorpius X-1 in LIGO O2 Data

Autori: Zhang, Yuanhao; Papa, Maria Alessandra; Krishnan, Badri; Watts, Anna L.
Pubblicato in: The Astrophysical Journal Letters, Numero 1, 2021, Pagina/e L14-, ISSN 2041-8205
Editore: Institute of Physics Publishing
DOI: 10.3847/2041-8213/abd256

Spectroscopic Time-Resolving Observatory for Broadband Energy X-rays: mission overview

Autori: Paul S. Ray, Peter W. A. Roming, Andrea Argan, Zaven Arzoumanian, David R. Ballantyne, Slavko Bogdanov, Valter Bonvicini, Terri J. Brandt, Michal Bursa, Edward M. Cackett, Deepto Chakrabarty, Marc Christophersen, Kathleen M. Coderre, Gianluigi De Geronimo, Ettore Del Monte, Alessandra DeRosa, Harley R. Dietz, Yuri Evangelista, Marco Feroci, Jeremy J. Ford, Cynthia Froning, Christopher L. Fryer, Ke
Pubblicato in: Journal of Astronomical Telescopes, Instruments, and Systems, Numero 10, 2024, Pagina/e ., ISSN 2329-4124
Editore: SPIE
DOI: 10.1117/1.jatis.10.4.042504

X-PSI: A Python package for neutron star X-ray pulsesimulation and inference

Autori: Thomas E. Riley, Devarshi Choudhury, Tuomo Salmi, Serena Vinciguerra, Yves Kini, Bas Dorsman, Anna L. Watts, Daniela Huppenkothen, Sebastien Guillot
Pubblicato in: Journal of Open Source Software, Numero 8(82), 2023, Pagina/e 4977, ISSN 2475-9066
Editore: The Open Journal
DOI: 10.21105/joss.04977

Effects of scattering in the accretion funnel on the pulse profiles of accreting millisecond pulsars

Autori: Varpu Ahlberg; Juri Poutanen; Tuomo Salmi
Pubblicato in: Astronomy & Astrophysics, Numero 682, 2024, Pagina/e A60, ISSN 1432-0746
Editore: EDP Sciences
DOI: 10.1051/0004-6361/202348153

GRMHD simulations of accreting neutron stars with non-dipole fields

Autori: Pushpita Das, Oliver Porth, Anna L. Watts
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Numero 515/3, 2022, Pagina/e 3144–3161, ISSN 1745-3933
Editore: Blackwell Publishing
DOI: 10.1093/mnras/stac1817

The Radius of the High-mass Pulsar PSR J0740+6620 with 3.6 yr of NICER Data

Autori: Tuomo Salmi, Devarshi Choudhury, Yves Kini, Thomas E. Riley, Serena Vinciguerra, Anna L. Watts, Michael T. Wolff, Zaven Arzoumanian, Slavko Bogdanov, Deepto Chakrabarty, Keith Gendreau, Sebastien Guillot, Wynn C. G. Ho, Daniela Huppenkothen, Renee M. Ludlam, Sharon M. Morsink, Paul S. Ray
Pubblicato in: The Astrophysical Journal, Numero 974, 2024, Pagina/e 294, ISSN 0004-637X
Editore: University of Chicago Press
DOI: 10.3847/1538-4357/ad5f1f

Prospects of Gravitational-wave Follow-up through a Wide-field Ultraviolet Satellite: A Dorado Case Study

Autori: Bas Dorsman, Geert Raaijmakers, S. Bradley Cenko, Samaya Nissanke, Leo P. Singer, Mansi M. Kasliwal, Anthony L. Piro, Eric C. Bellm, Dieter H. Hartmann, Kenta Hotokezaka, and Kamilė Lukošiūtė
Pubblicato in: The Astrophysical Journal, Numero 944, 2023, Pagina/e 126, ISSN 0004-637X
Editore: University of Chicago Press
DOI: 10.3847/1538-4357/acaa9e

Constraining the Neutron Star Mass–Radius Relation and Dense Matter Equation of State with NICER. III. Model Description and Verification of Parameter Estimation Codes

Autori: Slavko Bogdanov, Alexander J. Dittmann, Wynn C. G. Ho, Frederick K. Lamb, Simin Mahmoodifar, M. Coleman Miller, Sharon M. Morsink, Thomas E. Riley, Tod E. Strohmayer, Anna L. Watts, Devarshi Choudhury, Sebastien Guillot, Alice K. Harding, Paul S. Ray, Zorawar Wadiasingh, Michael T. Wolff, Craig B. Markwardt, Zaven Arzoumanian, Keith C. Gendreau
Pubblicato in: The Astrophysical Journal Letters, Numero 914/1, 2021, Pagina/e L15, ISSN 2041-8205
Editore: Institute of Physics Publishing
DOI: 10.3847/2041-8213/abfb79

The Radius of PSR J0740+6620 from NICER with NICER background estimates

Autori: Tuomo Salmi, Serena Vinciguerra, Devarshi Choudhury, Thomas E. Riley, Anna L. Watts, Ronald A. Remillard, Paul S. Ray, Slavko Bogdanov, Sebastien Guillot, Zaven Arzoumanian, Cecilia Chirenti, Alexander J. Dittmann, Keith C. Gendreau, Wynn C. G. Ho, M. Coleman Miller, Sharon M. Morsink, Zorawar Wadiasingh, Michael T. Wolff
Pubblicato in: The Astrophysical Journal, Numero 941, 2022, Pagina/e 150, ISSN 1538-4357
Editore: Institute of Physics Publishing
DOI: 10.3847/1538-4357/ac983d

Parameter constraints for accreting millisecond pulsars with synthetic NICER data

Autori: Bas Dorsman, Tuomo Salmi, Anna L Watts, Mason Ng, Satish Kamath, Anna Bobrikova, Juri Poutanen, Vladislav Loktev, Yves Kini, Devarshi Choudhury, Serena Vinciguerra, Slavko Bogdanov, Deepto Chakrabarty
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Numero 538, 2025, Pagina/e 2853-2868, ISSN 0035-8711
Editore: Blackwell Publishing Inc.
DOI: 10.1093/mnras/staf438

Constraints on the Dense Matter Equation of State and Neutron Star Properties from NICER’s Mass–Radius Estimate of PSR J0740+6620 and Multimessenger Observations

Autori: G. Raaijmakers, S. K. Greif, K. Hebeler, T. Hinderer, S. Nissanke, A. Schwenk, T. E. Riley, A. L. Watts, J. M. Lattimer, W. C. G. Ho
Pubblicato in: The Astrophysical Journal Letters, Numero 918/2, 2021, Pagina/e L29, ISSN 2041-8205
Editore: Institute of Physics Publishing
DOI: 10.3847/2041-8213/ac089a

A NICER View of the Nearest and Brightest Millisecond Pulsar: PSR J0437–4715

Autori: Devarshi Choudhury, Tuomo Salmi, Serena Vinciguerra, Thomas E. Riley, Yves Kini, Anna L. Watts, Bas Dorsman, Slavko Bogdanov, Sebastien Guillot, Paul S. Ray, Daniel J. Reardon, Ronald A. Remillard, Anna V. Bilous, Daniela Huppenkothen, James M. Lattimer, Nathan Rutherford, Zaven Arzoumanian, Keith C. Gendreau, Sharon M. Morsink, Wynn C. G. Ho
Pubblicato in: The Astrophysical Journal Letters, Numero 971, 2024, Pagina/e L20, ISSN 2041-8205
Editore: Institute of Physics Publishing
DOI: 10.3847/2041-8213/ad5a6f

An updated mass-radius analysis of the 2017-2018 NICER data set of PSR J0030+0451

Autori: Vinciguerra, Serena; Salmi, Tuomo; Watts, Anna L.; Choudhury, Devarshi; Riley, Thomas E.; Ray, Paul S.; Bogdanov, Slavko; Kini, Yves; Guillot, Sebastien; Chakrabarty, Deepto; Ho, Wynn C. G.; Huppenkothen, Daniela; Morsink, Sharon M.; Wadiasingh, Zorawar
Pubblicato in: The Astrophysical Journal, Numero 961, 2024, Pagina/e 62, ISSN 1538-4357
Editore: IOP Publishing
DOI: 10.3847/1538-4357/acfb83

Constraining a relativistic mean field model using neutron star mass-radius measurements I: Nucleonic models

Autori: Chun Huang, Geert Raaijmakers, Anna L. Watts, Laura Tolos, Constança Providência
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Numero 529, 2024, Pagina/e 4650–4665, ISSN 1365-2966
Editore: Oxford University Press
DOI: 10.1093/mnras/stae844

A NICER View of PSR J1231−1411: A Complex Case

Autori: Tuomo Salmi, Julia S. Deneva, Paul S. Ray, Anna L. Watts, Devarshi Choudhury, Yves Kini, Serena Vinciguerra, H. Thankful Cromartie, Michael T. Wolff, Zaven Arzoumanian, Slavko Bogdanov, Keith Gendreau, Sebastien Guillot, Wynn C. G. Ho, Sharon M. Morsink, Ismaël Cognard, Lucas Guillemot, Gilles Theureau, and Matthew Kerr
Pubblicato in: Astrophysical Journal, Numero 976, 2024, Pagina/e 58, ISSN 1538-4357
Editore: Institute of Physics Publishing
DOI: 10.3847/1538-4357/ad81d2

Constraining a relativistic mean field model using neutron star mass–radius measurements II: hyperonic models

Autori: Chun Huang, Laura Tolos, Constança Providência, Anna Watts
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Numero 536, 2025, Pagina/e 3262-3275, ISSN 0035-8711
Editore: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stae2792

Horizons: nuclear astrophysics in the 2020s and beyond

Autori: H.Schatz et al.
Pubblicato in: Journal of Physics G: Nuclear and Particle Physics, Numero 49, 2022, Pagina/e 110502, ISSN 0954-3899
Editore: Institute of Physics Publishing
DOI: 10.1088/1361-6471/ac8890

Modelling polarized X-ray pulses from accreting millisecond pulsars with X-PSI, using different hot spot locations and shapes

Autori: Tuomo Salmi, Bas Dorsman, Anna L Watts, Anna Bobrikova, Alessandro Di Marco, Vladislav Loktev, Alessandro Papitto, Maura Pilia, Juri Poutanen, John Rankin
Pubblicato in: Monthly Notices of the Royal Astronomical Society, Numero 538, 2025, Pagina/e 2562-2568, ISSN 0035-8711
Editore: Blackwell Publishing Inc.
DOI: 10.1093/mnras/staf441

X-PSI Parameter Recovery for Temperature Map Configurations Inspired by PSR J0030+0451

Autori: Serena Vinciguerra, Tuomo Salmi, Anna L. Watts, Devarshi Choudhury, Yves Kini, Thomas E. Riley
Pubblicato in: The Astrophysical Journal, Numero 959, 2023, Pagina/e 55, ISSN 1538-4357
Editore: Institute of Physics Publishing
DOI: 10.3847/1538-4357/acf9a0

Measuring Neutron Star Mass and Radius Using Pulse Profile Modelling - NICER and Beyond

Autori: Anna L. Watts
Pubblicato in: Nuclear Theory in the Age of Multimessenger Astronomy, 2024, ISBN 9781032307756
Editore: CRC Press (Taylor & Francis group)

Constraining neutron star properties with NICER: current results and future prospects for Athena

Autori: Anna Watts
Pubblicato in: Numero 1, 2022
Editore: Zenodo
DOI: 10.5281/zenodo.7350321

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